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Unit 10
Ex. 80. Fill the spaces in the following sentences by using for or since. Ex. 79. Put the verbs in brackets into Present Perfect Continuous. 1. I (make) cakes. That is why my hands are all covered with flour. 2 Her phone (ring) for ten minutes. I wonder why she doesn't answer it. 3 He (overwork). That is why he looks so tired. 4 There is sawdust in your hair. ~ I'm not surprised. I (cut) down a tree. 5 Have you seen my bag anywhere? I (look) for it for ages. 6 What you (do)? ~ I (work) in the laboratory. 7 He (study) Russian for two years and doesn't even know the alphabet yet. 8 How long you (wait) for me? ~ I (wait) about half an hour. 9 It (rain) for two days now. There'll be a flood soon. 10 We (argue) about this for two hours now. Perhaps we should stop! 11 I (bathe). That's why my hair is all wet. 12 You (drive) all day. Let me drive now.
Past Perfect and Past Perfect Continuous
Ex. 81. Underline the errors in these sentences. Rewrite each sentence. a) When we had ate lunch, we were sitting in the garden. When we had eaten lunch, we sat in the garden. b) While I looked for my keys, I remembered I left them at home. c) Anna had used to play badminton when she had been at school. d) When I got into bed, I was falling asleep immediately. e) When I was finally finding the house, I was knocking at the door. f) After Jill was giving Nick his books, she went home. g) Maria would live in Sweden when she was a child. h) I was using to get up early when I had gone sailing. i) The Vikings had sailed to North America a thousand years ago. j) Juliet was sure she was seeing the tall man before.
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