EXPRESSING ABILITY AND INABILITY

When Mary was 25, she was a fast runner. She .... run 200 meters in 30 seconds.

• could

• can't

• can

• couldn't

I am sorry but I ... come to your party next Friday.

• can

• can't

• couldn't

• could

I am not in a hurry. I ______ wait for you if you need more time to study.

• could

• can

• can't

• couldn't

I was very sick yesterday. I ___________ eat anything.

• can

• could

• can't

• couldn't

Please speak louder. I __________hear you very well.

• couldn't

• could

• can't

• can

I am very tired because I ___________ sleep last night.

• can't

• can

• could

• couldn't

John is a smart child. He ________read when he was two.

• couldn't

• can

• could

• can't

The lock was broken. I ____________ open the door.

• can

• can't

• couldn't

• could

I like math. I _____ solve math problems quickly.

• can

• couldn't

• could

• can't

When ____ he walk? (Answer: When he was 12 months)

• can

• could

• couldn't

• can't