Can, Could and Be Able To - Exercise 1

Choose the correct option in each sentence.

1. My sister speak three languages. 2. When I was five, I already read. 3. I'd love to come, but I won't finish on time. 4. She has walk without crutches since April. 5. Sorry, I hear you. The line is terrible. 6. After three hours, the firefighters put out the fire. 7. My grandfather drive until he was 85. 8. I love work from home on Fridays. 9. He come tomorrow, but he isn't sure yet. 10. I've never whistle.

Can, Could and Be Able To - Exercise 2

Complete the sentences with the correct form of be able to.

1. I'm sorry, I won't come to the meeting tomorrow. 2. Since she moved to Dublin, she has practise English every day. 3. I'd like speak Italian fluently one day. 4. He hates not drive. 5. After the operation, he wasn't walk for two months. 6. We might finish the project this week. 7. They haven't fix the problem yet. 8. I've been studying for years without pass the exam. 9. If you practise, you'll understand films without subtitles. 10. She was answer every question in the interview.

Can, Could and Be Able To - Exercise 4

Complete the second sentence so that it means the same as the first, using the word in capitals.

1. I didn't know how to swim until I was ten. (ABLE) I swim until I was ten. 2. It's impossible for me to come on Friday. (CAN'T) I come on Friday. 3. She succeeded in finding a flat near the centre. (ABLE) She find a flat near the centre. 4. Perhaps we'll go to Lisbon this summer. (COULD) We go to Lisbon this summer. 5. Is it OK if I open the window? (CAN) open the window? 6. He has never had the ability to sing. (BEEN) He has never sing. 7. I'm sorry, but it won't be possible for me to help. (BE) I'm sorry, but I won't help. 8. Would you mind passing me the salt? (COULD) pass me the salt, please? 9. They managed to escape through the window. (ABLE) They escape through the window. 10. I don't have the ability to concentrate when it's noisy. (CAN'T) I concentrate when it's noisy.