can + infinitive (without to) for ability, possibility and permission. It's the same for everyone: I can, she can.
Negative: can't (cannot). Question: Can you…? Past and polite requests: could.
| example | |
|---|---|
| positive | She can swim. |
| negative | I can't drive. |
| question | Can you help me? |
| past | I could read when I was four. |
| polite | Could you open the window, please? |
Examples
- Can I open the window?permission
- He can speak three languages.ability
- I can't hear you.negative
- Could you swim as a child?past ability
✅ Exercises
9 exercises: choose the right answer or type the missing word. Score 70% to complete the topic.