Iv. find and correct the mistakes in the following sentences. 1. not till the plane landed, i didn’t feel safely. (2) 2. we’d rather you not to lift these heavy suitcases for yourself. (2) 3. it was wrong for michael to haven’t had the engine repaired by a professional mechanic. (2) 4. how about to let the children to party with us? (2) 5. the political crisis in middle east is reporting to turn into a military conflict. (3) 6. the more high you climb, the less oxygen is there. (2) 7. isn’t it about time for you to accustom to have to provide to yourself? (3) 8. nobody else has been told he’s coming, has he? (1) 9. in the 19th century a few people succeeded to fly in balloons. but it wasn’t until the beginning of this century when anybody is able to fly in which we now call ‘a plane’. (4) 10. many students of english would rather prefer not to take tests. (2) 11. no doubt you’d rather he stays in england now, didn’t you? (2) 12. i could avoid to put too many weights on my arm. (3) 13. neither of the managers were at the least repentant afterwards. (2) 14. i’d sooner to walk than to do any these things. (3) 15. seldom has society offered so widely range of leisure time activities. (2)

1. Not till the plane landed, had I felt safe. (2)
2. We’d rather you did not lift these heavy suitcases yourself. (2)
3. It was wrong for Michael not to have the engine repaired by a professional mechanic. (2)
4. How about letting the children go to the party with us? (2)
5. The political crisis in the Middle East is reported to turn into a military conflict. (3)
6. The higher you climb, the less oxygen there is. (2)
7. Isn’t it about time for you to get accustomed to having to provide for yourself? (3)
8. Nobody else has been told he’s coming, have they? (1)
9. In the 19th century a few people succeeded in flying in balloons. But it wasn’t until the beginning of this century that anybody could fly in what we now call ‘a plane’. (4)
10. Many students of English would prefer not to take tests. (2)
11. No doubt you’d rather he were staying in England now, wouldn’t you? (2)
12. I could avoid putting too much weight on my arm. (3)
13. Neither of the managers was at least repentant afterwards. (2)
14. I’d sooner walk than do any of these things. (3)
15. Seldom has society offered such a wide range of leisure time activities.