MODAL VERBS
Complete the sentences using the words in bold.
1. I’m sure the police are questioning the suspects. The police must be questioning the suspects. be
2. I don’t think he was involved in the kidnapping.
He …………………………………………………………………… in the kidnapping. been
3. I’m sure he didn’t kill his wife.
He ………………………………………..…………………..…….. his wife. have
4. Perhaps the murderer was waiting in her flat.
The murderer …………………………………………………… in her flat. have
5. Perhaps he will be asked to testify in court.
He …………………………………………………….………… in court. be
6. Perhaps he had killed him before his wife arrived.
He …………………………………………………..………….. before his wife arrived. have
7. I’m sure they are searching the scene of the crime for evidence.
They ………………………………………….…………………the scene of the crime for evidence. be
8. I don’t believe he is involved in smuggling.
He ……………………………………………………………… in smuggling. be
9. It wasn’t necessary for him to call the police but he called them.
He ………………………………………………………………. the police. have
10. Perhaps he is hiding in his country house.
He ……………………………………..………………………. in his country house. be
11. You are forbidden to enter this area without permission.
You ………………………………………………..…………… without permission. not
12. It wasn’t necessary for Sue to make a statement.
Sue …………………………………………..……………….. a statement. need
13. You are obliged to wear a helmet while riding a motorcycle.
You …………………………………………………..………… while riding a motorcycle . to
14. They drove to the airport although it wasn’t necessary.
They …………………………..……………..……………….. to the airport. have
15. I didn’t know you were leaving because you didn’t tell me.
You …………………………………….…..……………………. you were leaving. could
16. I’m sure he didn’t know about her plans.
He …………………………………….………………………….. about her plans. have
17. Perhaps we will go to Italy for a holiday next year.
We …………………………………..……………………………. next year. go
18. Do you mind if I use your phone?
………………………………………………………………………. your phone? use
19. He managed to repair the bike after trying for two hours.
He ………………………………………………………………….. after trying for two hours. was
20. I advise you to book a table in advance.
You ………………………………………….……………………… in advance. to