Exercise 4: Use the correct tense of verbs in brackets:
1.    He said that he (do)...................................... his homework since seven o’clock.
2.    She demanded that her husband (give)...................................... her all of his wages.
3.    By next summer, she (finish)...................................... her 3rd novel.
4.    Kathy (be)......................................quite different since she got married.
5.    This is the first time we (see)......................................the Statue of Liberty.
6.    It was the second time I (talk)......................................to her.
7.    As soon as she came in, I knew I (meet)......................................her somewhere.
8.    After Jessica (finish)......................................her degree, she intends to work in her father’s company.
9.    By the time Anne graduated from high school, she (attend)......................................seven different schools because her parents moved frequently.
10.    Mitchell looked down to discover a snake at her feet. When she saw it, she (scream) ...................................... 
11.    Until you learn to relax more, you (not/ improve)......................................your ability to speak English.
12.    I borrowed four books on gardening the last time I (go)......................................to the library.
13.    Before I (start)......................................the car, all passengers had buckled their seat belts.
14.    Whenever I travel abroad, I (forget)......................................something I need.
15.    After the baseball match (win)......................................, the celebration began.
16.    I’ll return Bob’s pen to him next time I (see)...................................... him.
17.    As soon as Martina saw the fire, she (call)......................................the fire brigade.
18.    When my parents (arrive)......................................for a visit tomorrow, they will see our baby for the first time.
19.    Since I left Venezuela six years ago, I (return)......................................to visit friends and family several times.
20.    As soon as my parents came, we (go)......................................out for dinner.
21.    After ancient Greek athletes won a race in the Olympics, they (receive)......................................a simple crown of olive leaves.
22.    I (answer)...................................... all of the questions correctly since I began this exercise on verb tenses.
23.    Although it was noisy, I (keep)......................................on studying.
24.    No matter what kinds of exercises he had taken, he (still/ put)......................................on weight.
25.    I got a sore throat because I (speak)......................................for 3 hours.
26.    Because she felt tired, she (go)...................................... to bed early.
27.    I don’t like to speak English because I (be)......................................afraid of making mistakes.
28.    I whispered because I (not/ want)......................................to disturb anyone.
29.    Despite the fact that she was ill, Lisa (go)......................................on stage.
30.    Although she (eat)......................................three cakes, she was still hungry.