Упр. 451. Образуйте условные предложения

1. You did not ring me up, so I did not know you were in trouble. If ... 2. You left the child alone in the room, so he hurt himself. If ... 3. They spent a year in the tropics, so they got very sun-tanned. If ... 4. It rained heavily, so we got drenched to the skin. If ... 5. Why didn't you watch the cat? It ate all the fish. If ... 6. A huge black cloud appeared from behind the forest, so we had to turn back and hurry home. If ... 7. The travellers had no camera with them, so they could not take photos of the beautiful scenery. If .. 8. There was no sugar left, so we had to go to the shop late in the evening. If ... 9. This house is very nice and comfortable, but it is not very good for living because it is situated close to a chemical plant and the air around is very bad. If ... 10. He is an excellent specialist, but I cannot ask his ad­vice because I am not acquainted with him. If ... 11. You cannot enjoy this merry evening party be­cause you have a toothache. If ... 12. You know the material well enough, but you are very absent-minded, and that's why you always make many mistakes. If ... 13. We shall not go to see them because it is very late. If ... 14. Naturally she was angry, because you were in her way. If ...

Упр. 452. Образуйте условные предложения.

1. Не always gets top marks in mathematics be­cause it is his favourite subject and he works a lot

at it. If ... 2. I did not translate the article yester day because I had no dictionary. If ... 3. We lost our way because the night was pitch-dark. If ... 4. The box was so heavy that I could not carry it. That's why I took a taxi. If ... 5. I had a bad head­ache yesterday, that's why I did not come to see you. If ... 6. The ship was sailing near the coast, that's why it struck a rock. If ... 7. He was not in town, therefore he was not present at our meet­ing. If ••• 8. The pavement was so slippery that I fell and hurt my leg. If ... 9. They made a fire, and the frightened wolves ran away. If ... 10, It is late, and I have to go home. If ... 11. I was expect­ing my friend to corne, that's why I could not go to the cinema with you. If ... 12. The sea is rough, and we cannot sail to the island. If ... 13. He is busy and does not come to see us. If ... 14. The girl did not study well last year and received bad marks. If ... 15. He broke his bicycle and so he did not go to the country. If ... 16. He speaks English badly: he has no practice. If ...

Упр. 453. Раскройте скобки, употребляя требу­ющуюся форму сослагательного наклонения пос­ле "/wish".

1. I wish I (to know) Spanish. 2. I wish I (not to drink) so much coffee in the evening: I could not Bleep half the night. 3. I wish you (to read) more in future. 4. I wish I never (to suggest) this idea. 5. I wish I (to be) at yesterday's party: it must have been very merry. 6. I wish we (to meet) again next summer. 7. Don't you wish you (to see) that per­formance before? 8. They wished they (not to see) this horrible scene again. 9. The unfortunate pupil wished he (not to forget) to learn the rule. 10. I wish I (to have) a season ticket to the Philharmonic

next winter. 11. I wish I (to consult) the teacher when I first felt that mathematics was too difficult for me. 12. I love sunny weather. I wish it (to be) warm and fine all the year round. 13.1 wish I (not to lend) Nick my watch: he has broken it. 14.1 wish you (to send) word as soon as you arrive. 15.1 wish I (not to have) to do my homework every day. 16. I wish you (to go) skiing with me yesterday: I had such a good time!

Упр. 454. Перефразируйте следующие предложения, употребляя "/ wish".

E.g. It's a pity you are ill. I wish you were not ill.

1. It's a pity you are not with us these days. 2. My friend regrets not having entered the uni­versity. 3. He was sorry not to have had enough time to finish his test-paper. 4. It's a pity we shan't be able to reach home before tea-time. 5. I am sor­ry I made you upset by telling you this news. 6. What a pity you don't know enough physics.

7. Unfortunately they won't return before Christ­mas. 8. The student was sorry he had not studied the material better and had shown such poor knowl­edge at the examination. 9. It's a pity that you did not send for us last night.