1. After he decided to give up smoking, he began to carry (began carrying) a pocket of sweets in his pocket preventing him from smoking.
2. He must have a break. He has been driving for hours.
3. My cousin, Tom has just finished his military service. He has been looking for a good job since then. Yesterday he received a letter from his old boss. In his letter, he says he needs him again, but Tom doesn’t want to work with him. Because they had had some problems before he left his job.
4. After they had learnt (learned) the new words last term, they started the course book.
5. Please don’t disturb us, we are recording the Director’s conversation.
6. Just as I had got up my brother took a photo of me.
7. Steve had had a lot of girlfriends by the time he got married.
8. We are quite anxious about Jane now. She left home a fortnight ago to spend her vacation with her friends but she hasn’t written to us yet.
9. They have been living in bad conditions since the war started.
10. Before I came to the USA, I had studied English in my own country.
11. I haven’t had any trouble with my car so far.
12. The building at the top of the hill was built in 1920. A number of changes have been made since then.
13. When the boss came in the office, the letters were being typed by the secretary.
14. Barbara is a writer. She has already written several novels. A few years ago, she was given the Pulitzer Prize.
15. Tom’s father goes swimming everyday. He says swimming is really good to keep fit.
16. Everybody has known him as an honest man since he started living here.
17. A: What is the crowd?
B: A little boy was kidnapped by two men and the police have been looking for them along the river since then.
18. All dinner had been eaten before they finished the conversation.
19. As it was raining, a car accident happened on Main Street.
20. The bills haven’t been paid yet.
21. The tourits had been waiting for hours at the airport by the time their plane took off.
22. Most of the houses were pulled down last month, but they haven’t touched the old shop at the corner yet.
23. He had been in different countries before he was arrested by the police.