Understanding how to express rules, instructions, and obligations without focusing on who performs the action is a fundamental skill in English. The passive infinitive with need to allows you to shift attention from the person to the action itself, making it essential for workplace communication, hospitality settings, and everyday situations where the result matters more than the individual.
What is the difference between active and passive infinitives? [01:00]
Consider these two sentences: "Josh needs to teach a class" and "A class needs to be taught." There are three key differences that transform an active sentence into a passive one:
- The subject performing the action disappears. In the active version, Josh is the one teaching, but in the passive version, it is not important who teaches.
- The verb to be is added in its infinitive form.
- The main verb changes from its base form (teach) to the past participle (taught).
These three changes combined create what is called a passive infinitive. The structure follows this pattern: subject + needs to be + past participle. This construction is especially useful when the identity of the person doing the action is unknown, irrelevant, or obvious from context.
Why does the passive infinitive matter for giving instructions? [02:20]
When someone says, "The email needs to be sent by 3:00," [02:22] the focus is entirely on the deadline and the task, not on whether Michael, Jenny, or anyone else sends it. What matters is that the email gets sent on time. This is why passive infinitives are commonly used to state rules and instructions in professional and institutional environments.
In an active sentence, the emphasis falls on who performs the action. In a passive sentence, the emphasis falls on what needs to happen and sometimes when or how it should happen.
How are passive infinitives used in real-world settings? [03:05]
Passive infinitives appear frequently in places like hotels, offices, kitchens, and schools. Here are some practical examples:
- "The floor needs to be mopped." It does not matter who mops it; the important thing is a clean floor.
- "The booking needs to be made before the check-in." The reservation itself and its timing are what count.
- "The rooms need to be cleaned every day." [04:20] This is a standard hotel rule for guest comfort.
- "The bedding needs to be changed after the guest leaves." [04:35] Nobody wants dirty sheets from a previous guest.
- "The clothes need to be washed with warm water." [04:50] The method matters, not the person doing the washing.
What rules apply to hotel staff using passive infinitives? [05:20]
Hotel environments are full of regulations that fit perfectly with this structure:
- "The staff uniforms need to be worn at all times." [05:30] Every team member must be properly dressed while on duty.
- "The trash needs to be disposed of through using the chute." [05:45] There is only one accepted way to handle garbage in the building.
- "Plastic bags need to be used for the trash." [06:00] Trash cannot be thrown away without a proper container.
Notice how each rule removes the individual and highlights the action, the object, and sometimes the condition or method. This makes the instruction feel universal rather than directed at a single person.
How can you practice forming passive infinitives?
To build confidence with this structure, think about the rules at your own workplace, school, or home. Identify situations where it does not matter who does something, only that it gets done. Then apply the formula:
- Choose a subject (the thing receiving the action).
- Add needs to be (or need to be for plural subjects).
- Use the past participle of the main verb.
For example, if your kitchen has a rule about washing dishes, you could say, "The dishes need to be washed after every meal." If your office requires reports, try, "The reports need to be submitted by Friday."
What are the strangest or most difficult rules you have to follow at work or school? Share them using passive infinitives and practice this structure in a way that feels natural and relevant to your daily life.
