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7.34

2 If she writes the article today, she will bring it for the newspaper.

3 Had she known her mistakes, she would have corrected them.

4 Everything could have been settled yesterday if you had come in time.

5 I think that our research will be successful but if we didn't succees in getting the desired results, we should try to find a new method.

6 Were he in St Petersburg my friends would know about it.

7 The work will be done in an hour if you do your part.

4.37

2 All the machines will have been repaired by the technicians by the end of the week.

3 The money will have been collected (by them) by the end of the month.

4 The house will have been decorated by the painter by Monday.

5 This chapter will have been reviewed (by them) by next week.

6 These articles will have been analysed by me by the coming weekend.

4.38

2 The secretary will have written all the letters by the end of the week.

3 I will have baked the cakes by five o'clock.

4 The architect will have completed the project by the end of this term.

5 We will have painted the walls by the end of the week.