The verb could in English is far more versatile than most learners think. You can use it to talk about past abilities, to make polite requests in the present, and to discuss future possibilities, all with the same little word. If you are studying English as a second language and want to sound more natural and formal at the same time, mastering could is a smart move.

How do you use could to talk about past abilities?

When could works as the past form of can, it expresses an ability or capacity you had (or did not have) before. Think of it as a snapshot of what your skills looked like back then.

In the lesson, three clear examples appear at [00:31]:

• I could speak French when I was a kid describes an ability that no longer exists in the present.
• Ten years ago, I couldn't drive shows a skill that was missing in the past, even if you have it today.
• I couldn't arrive on time, so I missed my plane points to a specific moment when the ability simply was not there.

¿Could siempre se traduce como pude o podía? No. Could expresa la capacidad o habilidad de hacer algo en el pasado, pero su traducción depende del contexto. A veces equivale a podía (habilidad general) y otras a pude (un momento específico).

Why is could more polite than can in the present?

In the present, could shines in two situations: polite requests and suggestions. It is grammatically interchangeable with can, but it carries a softer, more formal tone, which is exactly why you hear it so often in customer service, classrooms, and family conversations.

For polite requests, the example shared at [01:21] is Could I borrow your pen, please? You could also say Can I borrow your pen, please? and it would be correct, just less formal.

For suggestions, the example You could ask your teacher for help works the same way. You are offering an idea without imposing it.

What examples of polite requests appear in the role play?

The dialogue between David and Jimmy is full of these uses. Watch how the brothers soften their words:

• Could you please help me with my math homework?
• Could you please lend me $10?
• Could you teach me?

Each request is a small act of respect. The speaker is asking, not demanding, and that is the entire point of using could in the present.

How does could express future possibilities?

When you talk about the future with could, you are speculating. You are putting an option on the table without committing to it. In that sense, could works as a synonym of might or may.

At [02:00], the lesson offers three examples worth memorizing:

1. Rachel could be the new manager.
2. Alex could win the game.
3. He could go to jail for doing that.

Notice how every sentence describes a scenario that is possible but not confirmed. You are not predicting; you are imagining.

¿Could y might significan lo mismo para hablar del futuro? Sí, en muchos casos son intercambiables cuando hablas de posibilidades. Rachel could be the new manager y Rachel might be the new manager transmiten la misma idea de incertidumbre.

What can the David and Jimmy role play teach you?

The role play, which starts around [03:30], compresses the three uses of could into a short family scene. Pay attention to how naturally the brothers move between past, present, and future.

For past abilities, you hear lines like When I was your age, I couldn't solve these math problems either and When I was a kid, I couldn't cook, but now I can. Both sentences contrast a missing past ability with a current one.

For present polite requests and suggestions, the dialogue gives you Could you please help me, Could you please lend me $10, and the suggestion I could cook something for you if you wish. That last one is a beautiful example of how could turns an offer into an invitation.

For future possibilities, two lines stand out: Mom could arrive at any moment and We could be in trouble. Neither is certain, but both are plausible, and that is exactly the territory where could lives.

How can you practice could after watching the role play?

The instructor invites you to take notes while watching and then write your own examples. A simple practice routine looks like this:

• List three things you couldn't do as a kid but can do now.
• Write two polite requests you would make to a coworker or family member.
• Imagine a situation and describe three future possibilities using could.

Share your sentences in the comments so other students can read them and you can learn from their examples too. What is one thing you couldn't do five years ago that you can do today?