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Obligations and needs: have to / must

22/26
Recursos

Las obligaciones se refieren a cuando sabes que debes hacer algo y ese algo no es opcional.

En una clase pasada aprendimos a usar should, como una sugerencia para realizar una acci贸n.

Con have to / must expresamos que la acci贸n se debe hacer.

驴Cu谩l es la diferencia entre have to / must?

Must: se refiere a una obligaci贸n entre dos personas, o una obligaci贸n que sientes. Es decir, los sentimientos por cumplir una acci贸n est谩n implicados.

Ejemplo:
Si tu jefe te dice: You must finish the report by 10 am / Debes terminar el reporte a las 10 am.
Tu jefe te est谩 dando una obligaci贸n. Es una orden del hablante.

Have to: se refiere a una obligaci贸n externa, de algo que tienes que hacer y punto. No hay sentimientos de por medio.

Ejemplo:
Si t煤 dices: I have to finish the report by 10 am / Debo terminar el reporte a las 10 am.
Alguien m谩s (que no es el orador) tom贸 la decisi贸n de hacerlo.

Don鈥檛 have to y Mustn鈥檛

Las negaciones de have to / must son Don鈥檛 have to y Mustn鈥檛, respectivamente. Las usamos cuando queremos expresar que alguien no puede hacer algo, o no tiene que hacer algo.

  • You mustn鈥檛 go to the park / No debes ir al parque.
    Mustn鈥檛: se le proh铆be ir, no puede ir. No est谩 permitido ir.

  • You don鈥檛 have to go to the park / No tienes que ir al parque.
    Don鈥檛 have to: no est谩s obligado a ir, es tu elecci贸n. No hay necesidad de ir.

Ejemplos usando have to y must

  • My mom said it鈥檚 my choice, so I don鈥檛 have to go if I don鈥檛 want / Mi madre dijo que es mi elecci贸n, as铆 que no tengo que ir si no quiero.
  • I mustn鈥檛 drive. I鈥檓 only 14 / No debo conducir. Solo tengo 14 a帽os.
  • I must have dinner before going out with my friends / Debo cenar antes de salir con mis amigos.

Contribuci贸n creada con aportes de: Jos茅 Miguel Veintimilla.

Aportes 523

Preguntas 21

Ordenar por:

驴Quieres ver m谩s aportes, preguntas y respuestas de la comunidad?

o inicia sesi贸n.

This class remember me when fight whit my brother was like "I don鈥檛 have to go clean the room and my brother tell me Yes you must clean the room and me " NO i don have to go clean the room " then my mother come in and She trow her flip flop and solved the problem jejeje

Obligations and needs: have to / must

.
Must and have to both express obligation (a need). However, it makes a difference whether that need is external or internal.
.
Let me explain with some examples.
.
If the obligation is external (meaning someone else gave the command) you should use have to.

For example:

  • I have to finish my homework because my teacher told me to.

In this case, the speaker didn鈥檛 decide to do their homework because they wanted to, but because the teacher instructed it. This is an external obligation.

Here鈥檚 another example:

  • Dad said you have to eat all your vegetables.

In this example, the decision to eat vegetables is motivated by the external obligation given by dad. In both these examples, the need is motivated by outside pressure and consequences.
.
On the other hand, if the obligation is internal (meaning the speaker made the decision) you can use must. For example:
.

  • I must study so I pass the test.

  • I must eat this because I want to be healthier.

.
As you can see, the speaker is self-motivated in these examples.

22. Obligations and needs: have to / must

This video helped me A LOT to understand the difference between 鈥have to鈥 and 鈥must鈥:


There are negative versions:

mustn鈥檛: You are not allowed, you鈥檙e prohibited.

don鈥檛 have to: You are not obligated, it is your choice.

A good video that helped me with the correct pronunciation of those words is this:


Practice:

  1. The teacher says: You must complete the task by tomorrow.
  2. I have to wear a tie everyday. My boss told me to.
  3. My mom said it鈥檚 my choice, so I don鈥檛 have to go if I don鈥檛 want.
  4. I mustn鈥檛 drive. I鈥檓 only 14.

Homework:

  1. I must sleep more than four hours because I鈥檓 feeling too tired every day.
  2. I have to go shopping tomorrow, there isn鈥檛 enough milk for the cake.
  3. You must wear your face mask every time you go out.

I must clean up my room I have to eat more healthy because my doctor told me to.

  • If I want to improve my English, I must study every day.
  • I need to get up early, so I mustn鈥檛 go to bed late.
  • According to my doctor, I have to leave the sweets.
  • I don鈥檛 have to go to the bank, I can pay my bill on the website.

I like Amigos Ingleses. They have different videos talking about differences between grammar rules, like this case: have to and must
You should see this video! 馃槃 It鈥檚 a must! 馃槈

This class remember me when fight whit my brother was like "I don鈥檛 have to go clean the room and my brother tell me Yes you must clean the room and me " NO i don have to go clean the room " then my mother come in and She trow her flip flop and solved the problem jejeje

1. I must pay attention in this class, because tomorrow will be the final exam. 2. I have to hand my last project to science鈥檚 teacher. 3. She mustn鈥檛 go, because she has not received the results.

I must study 2 hours of English.
I have to work which is my obligation
You mustn鈥檛 study 2 hours of English
I don鈥檛 have to work althoug it is my obligation.
we mustn鈥檛 money
she mustn鈥檛 eat carrot
the door mustn鈥檛 be there

1.- She must go to work everyday.
2.- He have to get up early to make exercise.
3.- We mustn鈥檛 attend the meeting
4.-I don鈥檛 have to go, if I don鈥檛 want go

1.The children is playing with the toys so the mon says:
guys when finish to play with the toys you must pick them up and safe them please.
2. I have to go with my friend to the beach but i need to get money at ATM.
3. They mustn鈥檛 watch movie for them self, they are 10 years old.
4. She doesn鈥檛 have to clean the house if she can鈥檛 do it.

1.- I don鈥檛 like to drive, but I must drive.
2.- My boss told me that I have to arrive early for the meeting. I mustn鈥檛 miss.

My mom say every morning: You must do the bed and make the chores at home, but sometimes I don鈥檛 want because my siblings don鈥檛 help me because they are men, I know that I have to do it but please, understand me, I feel so tired and I am waiting for live out at home and forget them.

I don鈥檛 have to be a smoker and drinker, because It鈥檚 not fancy but sometimes I am so tired that I would like a wine but I feel that I mustn鈥檛 to do it only if somebody else told me.

I must to study English because of my career.
I have to drink some water everyday.
I mustn鈥檛 go the river when it is plenty of water.
I don鈥檛 have to wear shirt when it is cold.

I have to finish this course.
I must enroll in a university

Thanks鈥

Good

I must cut my hair every month if I want it to look good. We have to wear a mask to go outside.

My father told me that I must to clean the house xD.
I have to clean my house.

I have to do a social media report for the friday because my boss told me. My dauther dont麓t have to goes I mustn麓t eat a lot of pasta in the nigth, I am very fat

My sister mustn麓t eat green vegetables because her doctor prohibits it.
I have to get 5 minutes early to my job because I have to check everybody is punctual.
I must to wake up earlier.
I haven麓t eat carb if I want to lose weight.

The teacher says: You must complete the task by tomorrow. I have to wear a tie everyday. My boss told me to. My mom said it's my choice, so I don't have to go if a I don't want. I mustn't drive. I'm only 14.
I must finish this course I have to pay my membership

  • I have to study english to night

  • I have to brush my teeth three time at lease

  • We must to talk about the project

  • All passengers must use the seat belts

  • I must to practice more at the piano

  • You have to pay the taxes

My father reminded me that I must practice English, but I do not have to study English today because I must attend a party and need that I take to the party and my brother doesn鈥檛 have to take me.

My mom says: my dog 鈥嬧媘usn麓t urinate inside home
I must do my homework.
I have to go to the gym, because it鈥檚 my doctor鈥檚 order.
I don鈥檛 have to buy clothes in Shein.

The teacher says: You must complete the task by tomorrow
I have to wear a tie everydat. My boss told me to

My mom said it麓s my choice, so I don麓t have to go if I don麓t want.
I mustn麓t drive. I麓m only 14.

I must finish the work at 5 pm
I have to go at the store for clothes
I don鈥檛 have to do homework
I mustn鈥檛 go up the stairs

She must study every day to win the exam
I have to study every day to win the exam.

You mustn鈥檛 go to the party
You don鈥檛 have to go to the party

鈥 You must pick up to the children at school
鈥 I have to read the book 1Q84, I think is interesting.
鈥 You mustn't take things if you don't have permissions of the owners
鈥 I don't have to play videogames this weekend

鈥淢y obligation 馃槖 I don鈥檛 like to think about my obligations, but here are some of them: I have to do many things. I have to wash the dishes every four days, I must do the laundry every weekend, I don鈥檛 need to clean my room every day because my room is usually tidy. I don鈥檛 have to cook; thankfully, my mom helps me with that. I must study every day, and I have to work sometimes.鈥

My contribution

  • Must
    • I must learn English every day.
    • You must finish the feature by the end of the day.
    • I must read in English for 30 minutes per day.
  • have to
    • I have to read in English 30 minutes per day.
    • I have to drink water every day.
    • I have to work on weekdays.
  • Mustn鈥檛
    • You mustn鈥檛 go to the party.
    • You mustn鈥檛 drink alcohol because you are teenager.
    • She mustn鈥檛 work after 9PM.
    • She mustn鈥檛 arrive early, you keep her away from here, I have to prepare everything.
  • Don鈥檛 have to
    • I don鈥檛 have to go to the party tonight.
    • We don鈥檛 have to eat out; we have food here, so we have to prepare dinner.
    • She doesn鈥檛 have to clean the house, because she is the visitor.
    • He doesn鈥檛 have to give you money; you aren鈥檛 his wife.

En la oraci贸n 鈥淵ou must finish the report by 10 am鈥, se utiliza 鈥渂y鈥 para indicar el l铆mite de tiempo dentro del cual se debe completar la acci贸n. En este caso, 鈥渂y 10 am鈥 significa que el informe debe estar terminado antes de las 10 de la ma帽ana.

鈥淏y鈥 se utiliza com煤nmente para establecer un l铆mite de tiempo espec铆fico para completar una acci贸n. Indica que la acci贸n debe estar realizada antes de que llegue ese tiempo. En esta oraci贸n, 鈥渂y 10 am鈥 establece que el informe debe estar finalizado antes de que sean las 10 de la ma帽ana.

Por lo tanto, en esta estructura, 鈥渂y鈥 se utiliza para marcar el punto l铆mite en el tiempo antes del cual algo debe estar hecho.

Let麓s practice

  • I have to check in at the hotel at seven o麓clock.

  • I must eat better from now.

  • I don麓t have to use drugs if i don麓t want.

  • My mother said that I mustn麓t go to the party.

I have to take an online course tomorrow morning
I must call my parner
You mustn麓t go out without protective equipment
You don麓t have to stay here with me

  • I must study more.
  • You have to drink more water.
  • We mustn麓t go out in the nigth.
  • They don麓t have to do the homework.
  • I have to take my children to school.
  • Food must be before 3 pm today.
  • Son today you must wash the dishes.
  • My kids mustn麓t watch tv after 10 pm.
  • On sunday I don麓t have to study online if I don麓t want to.

If I want to improve my English, I must study every day.
I need to get up early, so I mustn鈥檛 go to bed late.
I have to study english today.
You must sleep early tomorrow
He mustn鈥檛 go outside
They don鈥檛 have to go meeting

  • My boss said You must write on the production sheet

  • I have to wash my lunch plates

  • He mustn鈥檛 go outside

  • They don鈥檛 have to go meeting

i have to find a flower to my wife
i have to charge my phone

i must walk the dog
i must finish the proyect today

i don鈥檛 have to go to the gym today
i don鈥檛 have to do something today

i mustn鈥檛 drive on that path
i mustn鈥檛 leave this for tomorrow

I mustn鈥檛 drink, I鈥檓 only 18.

I don鈥檛 have to go to the party tonight

Doctor says I mustn鈥檛 drink too much coffee
I have to go to the office two days a week
I must to wash the dishes everyday
You don麓t have to eat eggs everyday

I must practice basketball everyday to improve

you can come to my baby shower buts in on you so you dont have to go
i mustnt go to buy beer im only 17

If I want to become a SE specialist, I must study the SEO specialist route at Platzi.
I need to do more exercise, so I mustn鈥檛 gain weight.

I don鈥檛 have to practice my English, but for my future I must practice my English.

I must go to the meet today.
My boss is requesting the photos, I have give it.
I must the see the metrics, it鈥檚 important for the company.

I must finish to learn english at the end of the year, it鈥檚 my deadline!
I have to drink water every hour.
You mustn鈥檛 go to the party, teenagers are not allowed.
I don鈥檛 have to go to this meeting, I already know what they will talk about.

  • I must to report every anomaly that I see.
  • I have to come everyday because the boss said that the homeoffice is over.
  • I haven鈥檛 to say anything else if the person doesn鈥檛 ask me.
  • My nephew musn鈥檛 drink alcohol because he is only 15.
  • I have to work for living
  • I must eat my breakfast every morning
  • I don鈥檛 have to go out every weekend
  • I mustn鈥檛 drink and drive
  • I must call my boss.
  • I have to call my boss.
  • You must finish the report by 10 am.
  • I have to finish the report by 10 am.
  • I mustn鈥檛 go.
  • You don鈥檛 have to go.
  • You must complete the task by tomorrow.
  • I have to wear a tie every day. My boss told me to.
  • My mom said it鈥檚 my choice, so I don鈥檛 have to go if I don鈥檛 want.
  • I mustn鈥檛 drive. I鈥檓 only 14.
  • I must buy some food.
  • I have to buy some soap.
  • I mustn鈥檛 drink coke.
  • I don鈥檛 have to go to class.

-She must work tomorrow at 6 am.
-I must to study on platzi
-She Mustn麓t leave her house tonight.
-I Have to make a podcast on Spotify
-I don麓t have to go at the stadium

  1. I have to go to school, my parents said.
  2. I mustn鈥檛 sleep in classes.
  3. I don鈥檛 have to do exercise if I don鈥檛 want it.
  4. I must study more because I want to pass the exam.

Mom says I mustn麓t go out when it rains.
I have to dress formal for work.
You have to do your math homework.
You don鈥檛 have to go to work if you鈥檙e sick.
The principal said you must finish the essay today.

Example:

I have to study english today.

You must sleep early tomorrow

He mustn鈥檛 go to that places.

She doesn鈥檛 has to go to work today.

Must
My mon says: You must preparing th dinner
Mustn鈥檛
You mustn鈥檛 get out today
Have to
I have to wash the dishes
Don鈥檛 have to
I don鈥檛 have homework right now

I must study because I want to make my goals come true and because I love to spend my free time learning.
I have to clean the dishes, everyone at home must do their part. That鈥檚 our Philosophy.

I don鈥檛 have to work on weekends.
You have to read this book.
I must study more.
You mustn鈥檛 drink if you are going to.

HI!
My practice:

AFFIRMATIVE:

  1. you have to go to the bank because I need money.
    I must go to the bank because he needs money.
  2. You have to drive my father鈥檚 car; he is in the hospital.
    I must drive her father鈥檚 car; he is in the hospital.
  3. My mom is at work, he has to cook for dinner.
    My mom is at work, he must cook for dinner.
  4. The garden needs watering, I have to water it.
    The garden needs watering, I must water it.

NEGATIVE:

  1. You do not have to go to the bank, your sister wants to go.
    You must not go to the bank; your sister has to go at this time.
  2. You don鈥檛 have to drive my father鈥檚 car; I can do it.
    You mustn鈥檛 drive my father鈥檚 car; I can do it
  3. My mom is coming back home, he hasn鈥檛 to cook for dinner.
    My mom is coming back home, he mustn鈥檛 cook for dinner.
  4. The garden needs watering, I don鈥檛 have to water it, my mom can do it.
  5.  The garden is beautiful, I mustn鈥檛 water it, my mom did it yesterday.
    

I have to finish a report tomorrow
I must study english.
I don鈥檛 have to play videogames
I mustn鈥檛 spend time watching movies

Obligation and needs: have to / must:

  1. I must to talk with my father i need his conseils.
  2. I must to do my bed, because it鈥檚 a first task complete of the day and encourage myself in the discipline path.
  3. I have to iron my pants, they are not proper dapper.
  4. I have to withdraw money from an ATM.
  5. You don鈥檛 have to go with us if you鈥檙e tired.
  6. They don鈥檛 have to come here, they鈥檒l do the work at anyplace via internet.
  7. you mustn鈥檛 drive a car, because you don鈥檛 have a drving license.
  8. Sorry but they mustn鈥檛 enter in the country land because they don鈥檛 have their papers in order.

You mustn鈥檛 use your cellphone while attending your classes on Platzi.

i have to make breakfast for my baby.
my husband must clean his desk so he can work.

I have to go out now to bring some money home.

Practice:

  1. The teacher says: you MUST complete the task by tomorrow.
  2. I HAVE TO wear a tie everyday. My boss told me to.
  3. My mom said it鈥檚 my choice, so I DON鈥橳 HAVE TO go if I don鈥檛 want.
  4. I MUSN鈥橳 drive. I鈥檓 only 14.

Homework:

  1. I must wash the dishes if I want to watch the soccer game of the UCL.
  2. My father said: Eder, you must go to the supermarket at 10:00 am.
  3. My sister must cook the dinner because his boyfriend will come to meet our family.
  4. My cousin don鈥檛 have to do his homework because my uncle doesn鈥檛 demand him anything for that He can go out with his friends.

HELLO
MY ANSWERS

1-I HAVE TO WORK TODAY
2-I MUST STUDY ENGLISH EVERY DAY
3-SHE DOESN鈥橳 HAVE TO GO THE PARTY
4-SHE MOSTN鈥橳 RUN WITH SCISSORS

Have to and must both express obligation, but must implies a personal obligation or a sense of duty, whereas have to can refer to external obligations or responsibilities. Must conveys a stronger sense of personal responsibility or urgency.

you mustn鈥檛 stop learning.
you must always learn anything new.

I don鈥檛 have to go to my work, but I have to, because I need to pay the bills.
I mustn鈥檛 waste my time on my way to work because I must get right on time.

Good lecture

Practice:
The teacher said: tomorrow is the exam, you must study. So I have to study.
You mustn鈥檛 go to the cinema today.
You don鈥檛 have to go to the cinema today.

I have to fix the code because my manager told me to do it.
It鈥檚 my company, i must to fix the code.
I mustn鈥檛 be late for the company Teams meetings.
I don鈥檛 have to call my boss 鈥楽r鈥.

My mom said: You must go early to school.
So, I have to go early to school tomorrow.

My teacher said: You don鈥檛 have to study on vacation.
So, I don麓t have to study, I am only 13.

The policeman said: You must always have your personal information with you.
So, I don鈥檛 have my personal information close to me, so, I mustn鈥檛 go out while I don麓t find my documents.

A: Hey Juan, It鈥檚 late, your mom said You have to go to bed early at night so you鈥檒l wake up on time.
B: Yes, I must go to bed now but I don鈥檛 want to, so, get me the remote control, please, and don鈥檛 tell to my mom, be quiet.
A: I have to report that, but since it麓s you, I won鈥檛.
B: thanks, you don鈥檛 have to take it all so seriously, Take it easy.
A: Yes, you鈥檙e right. I mustn鈥檛 have several responsibilities. I鈥檓 only 17.

I know that the conversation it鈥檚 informal and should and shouldn鈥檛 are less strict and sounds more emphatic, but, the object of this conversation is putting into practice the lesson.

  1. The teacher says: You must complete the task by tomorrow.
  2. I have to wear a tie everyday, My boss told me to.
  3. My mom said it鈥檚 my choice, so I don鈥檛 have to go if I don鈥檛 want.
  4. I mustn鈥檛 drive, I鈥檓 only 14.

When I started my new job, the HR person told me that I had to go to Bogot谩 for the computer, but I couldn鈥檛 because I lived in Ibagu茅, but later, when the company told us that all company members must go to Bogot谩, I had to go.

.WE MUST STUDY FOR THE EXAM.
.I HAVE TO WRITE A LETTER TO MY MOM
.SHE MUSTN鈥橳 COME
.YOU DON鈥橳 HAVE TO TELL JOHN.

  • I must sweep and mop the floor before go to the party, my mom gave me the order.
  • I have to buy a present to my girlfriend, today is her birthday party.
  • I must麓t dance with other girls tonight, my girlfriend doesn麓t allow me do it.
  • I don麓t have to go so elegant to the party.
  • I must pay the phone plan each month

  • I have to wash the dishes

  • I mustn麓t be unfaithful to my wife

  • She doesn麓t have miss work

鈥淥BLIGATIONS AND NEEDS HAVE TO MUST鈥

  • MUST
  1. You MUST wear your face mask every time you go out.
  2. I MUST study English every day because I want to be better than yesterday.
  3. You MUST give an a phone to your boyfriend.
  • HAVE TO
  1. I HAVE TO read every day because I鈥檓 a teacher.
  2. I HAVE TO go shopping tomorrow, there isn鈥檛 enough milk for the cake.
  3. I HAVE TO take a shower in two hours.
  • DON鈥橳 HAVE TO
  1. You DON鈥橳 HAVE TO work this year.
  2. I DON鈥橳 HAVE TO go to university this year.
  3. I DON鈥橳 HAVE TO eat this hamburger if I don鈥檛 want to.
  • MUSTN鈥橳
  1. The children MUSTN鈥橳 play in the street.
  2. You MUSTN鈥橳 go to the party tonight
  3. He MUSTN鈥橳 talk this way.

鈥淥BLIGATIONS AND NEEDS HAVE TO MUST鈥

  1. The teacher says: You MUST complete the task by tomorrow.
  2. I HAVE TO wear a tie everyday. My boss told me to.
  3. My mom said it鈥檚 my choice, so I DON鈥橳 HAVE TO go if I don鈥檛 want.
  4. I MUSTN鈥橳 drive. I鈥檓 only 14.

You must finish this course
I have to go to the gym

You mustn鈥檛 drive when the traffic light is red
I don鈥檛 have to do my homework

If I want to learn English, I must study very hard.
I must listen to songs, podcast and watch movies for have language skills.
I have to do all homework.
I must not forget my English class.
He has to go to work early.
She must to wear uniform in the factory.
We must not noise in the classroom.

I must call ta my family
I have to clean my room

I musn麓t brake the law.
I can go to the party , but i don麓t go why i have laziness.

I MUST PROVIDE THE BEST CUSTOMER EXPERIENCE
I HAVE TO ANSWERING FAST THE CALLS
I MUSN鈥橳 BE LATE FOR WORK BECAUSE I CAN BE FIERD.
I HAVEN鈥橳 TO TAKE LETTUCE IN THE BREAKS

What a good class

Exercise

  1. You must care yourself
  2. I have to understand his point
  3. She doesn鈥檛 have to do all Jim鈥檚 taks
  4. He mustn鈥檛 talk this way

TH E TEACHER SAYS YOU MUST COMPLETE THE TASK BY TOMORROW
I HAVE TO WEAR A TIE EVERYDAY. MY BOSS TOLD ME TO
I DON麓T HAVE TO GO IF I DON麓T WANT
I MUSN麓T DRIVE. I麓M ONLY 14

We must to study for the final exam. I have to work and pay the subscription of platzi
  • I must study English every day.
  • I also must read for at least one hour every day.
  • I mustn麓t play in that park, it鈥檚 only for kids.
  • I have to do my monthly report
  • I have to buy the groceries for this week
  • I don鈥檛 have to go to the pool, besides I don鈥檛 want to do it.
  • You must to do the dishes
  • I have to do the dishes

You must finish your homework
You mustn鈥檛 play video games

I have to put gas on my car
you don鈥檛 have to wash the dishes

  • My boss says: You must go to work earlier.
  • I have to go by train to come earlier.

*I must pay a lot of attention, in order to do the work well.
*I have to order my room right now.

I must get good grades and learn new languages
I must be healthy

I must go to work on Monday.
My wife mustn鈥檛 eat hamburgers.
I have to pay the apartment rent.
She doesn鈥檛 have to pay for the ticket.