1. Ability, permission, possibility & requests.
CAN & CAN’T
Ability, permission, possibility & requests.

2. I CAN: I know how to. I CAN’T: I don’t know how to.
MEANING 1
I CAN: I know how to.
I CAN’T: I don’t know how to.

3. CAN & CAN’T
ABILITY / PERMISSION

4. Michael Phelps can swim very well.

5. She can ride a bike.

6. The babies can’t walk.

7. He can’t run 10 km.

8. Can cats speak? No, they can’t.

9. MEANING 2 I CAN: It’s possible for me.
I CAN’T: It’s not possible for me.

10. I can go shopping with you on Tuesday, but I can’t on Saturday.

11. MEANING 3 YOU CAN: It’s OK, it’s permitted.
YOU CAN’T: It’s not OK, it’s not permitted.

12. You can’t park there!

13. You can smoke in this restaurant.

14. MEANING 4
CAN YOU…?: Please do it.
CAN I…?: Is it OK if I do it?.

15. Can you close the door?
Can I sit down?

16. CAN & CAN’T don’t change (I, You, He, She, etc)
He cans: INCORRRECT
CAN’T = CANNOT
CAN & CAN’T + INFINITIVE: I can swim
I can to swim: INCORRECT

17. FORMATION + - I / You / swim. I / You / swim.
He / She / It / can come. He / She / It / can’t come.
We / They help. We / They help.