1. The last time I saw him was in 2001. (Rewrite starting with “I haven't _________”.
2. It isn't necessary to bring skis as they are included in the package. (rewrite using a modal)
3. Tom said to his wife, "I will be playing tennis when you arrive." (reported speech)
4. “Jack is coming to visit us next weekend.” Mark told his parents. (reported speech)
5. Maurice didn't come to the meeting yesterday. Perhaps he was ill. (rewrite using might)
6. I think Tom needs to see a doctor. His cough is terrible. (rewrite using a modal verb)
7. "Why don't we take a holiday?", said Peter. (reported speech with suggested)
8. “Don’t forget the concert starts at 8 o’clock.” Marta told Peter. (reported speech with reminded)
9. She has probably found a new job. (rewrite with a modal verb)
10. They finished the project in time for the presentation. (passive) (future perfect-interrogative)
11. They have given him all the information. (negative-affirmative) (2 passive)
12. Peter wasn't charged with an offense when the police caught him stealing the first time. (active / passive)
13. Can you accompany Sarah to the party? (change to future-interrogative)
14. She wasn't responsible for the accident. (present perfect-interrogative-affirmative)
15. No arrests had been made, and no one had claimed responsibility. (active / passive)
16. A group of eight senators planned to introduce a proposal on Tuesday. (present continuous-negative-interrogative)
17. A quake measuring 7.8 on the Richter scale struck near Iran’s border with Pakistan. (present perfect interrogative) (past simple-interrogative)
18. An amendment to an old treaty between the United States and Mexico will send more water down to restore native habitat and local and migratory wildlife. (passive) (past simple-interrogative)
19. Critics were quick to point out irregularities in the study. (future simple-interrogative) (past perfect-negative) (future simple-negative)
20. Most residents in assisted-living centers suffer from multiple ailments. (present simple-interrogative) (past simple-negative) (future continuous-affirmative)
21. Supporters of the newly elected Venezuelan president, Nicolás Maduro, are celebrating victory on the streets of Caracas. (passive) (past simple-interrogative)
22. For decades, the members of Spain’s royal family were treated with profound deference by the public, politicians and the media. (active) (present perfect-interrogative)
23. Thousands of people demonstrated against the monarchy in central Madrid on Sunday. (future continous-interrogative) (past perfect-interrogative)
24. Spanish regional governments gave Iñaki Urdangarín lucrative contracts to organize sports events. (present perfect-interrogative) (2 passive)
25. The judge in the case also subpoenaed Mr. Urdangarin’s wife, Princess Cristina. (passive) (passive-future simple)