Exercises : Can , Could , Be able to

Exercises: Can, Could, Be able to

Fill in the correct form of can, could or be able to as in the examples.

1. Ben could not help his little brother with his homework yesterday.

2. Can I call you later tonight?

1. _______ Tony run long distances when he was a boy?

2. ______ you please call a tow truck for me? My car broke down. (polite)

3. The students _______ to buy their textbooks today. The bookstore is all out of them.

4. ______ you teach me how to fix my computer? You’re so good at it.

5. ______ you ______ reach the customer if you call him at 4:00 his time?

Answers:

1. Could

2. Could

3. aren’t able

4. Can

5. Will/be able to