1. CAN and CAN'T
To express abilities
AFFIRMATIVE NEGATIVE QUESTION SHORT ANSWER
I can swim I can't swim Can I swim? Yes, I can / No, I can't
You can swim You can't swim Can you swim? Yes, I can / No, I can't
He can swim He can't swim Can he swim? Yes, he can / No, he can't
She can swim She can't swim Can she swim? Yes, she can / No, she can't
Yes, we can / No, we can't
We can swim We can't swim Can we swim?
Yes, they can / No, they
can't
They can swim They can't swim Can they swim?