Question

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Exercise 1 Use the required tense.
1. They noticed them (to fly) for three hours already. 
2. Tom said that it (to take) him an hour to get to the station. 
3. She asked them if they (to play) tennis in the afternoon. 
4. Mary asked her brother if he (can) tell her the way to the shop. 
5. Peter and John told me they (to go) to the Kremlin the day before yesterday. 
6. Mother said she (to have) a bad headache. Don't bother her. 
7. Dorothy asked Margaret if she (to be) going to buy a new dress in the nearest future. 
8. They told us they (to visit) the Tretyakovskaya gallery next Sunday. 
9. Jack said that he already (to write) the letter. 
10. They asked if the work (to finish) by tomorrow.

Exercise 2 Use the required tense.
1. I knew they (to wait) for me at the metro station and I decided to hurry. 2. I didn't know that you already (to wind) up the clock. 3. I was afraid that the little girl (not to be) able to unlock the front door and (to go) upstairs to help her. 4. He says that he (to know) the laws of the country. 5. Marry understood why Susan (not to come) the previous evening. 6. She asked me whether I (to remember) the legend about a faithful lion. 7. He understood that the soldiers (to arrest) him. 8. He could not understand why people (not to want) to take water from that well. 9. I suppose they (to send) a dog after the burglar immediately. 10. He said he (to leave) tomorrow morning. 11. She says she already (to find) the book. 12. He stopped and listened: the clock (to strike) five. 13. She said she (can) not tell me the right time, her watch (to be) wrong. 14. I asked my neighbor if he ever (to travel) by air before. 15. The policeman asked George where he (to run) so early. 16. The delegates were told that the guide just (to go) out and (to be) back in ten minutes.

Answer 1

ex1.
1. flying
2. took
3. played
4. could
5. went
6. had
7. was
8. would visit
9. had already written
10. would be finished
ex2.
1 were waiting
2. had already wound
3. wouldn't be able // went
4. knows
5. hadn't come
6. remembered
7. would arrest
8. didn't want
9. will send
10. would leave
11. has already found
12. was striking
13. could not // was
14. had ever travelled
15 was running
16. had just gone out // would be