Can/Could/ Be able to

CAN (poder/ saber)

Se utiliza con la misma forma en todas las personas:

I can, you can, he can, she can, it can, we can, you can, they can

They can play the piano.

En negativa: CAN'T o CANNOT 

1. Exercise
2. Exercise
3. Exercise
4. Exercise
5. Exercise
6. Exercise
7. Exercise
8. test
9. Exercise
10. Exercise
11. Exercise
12. Exercise
13. Exercise
14. Exercise