1、用 it 做形式主语的常用句型It is a fact (a shame, a pity, good news) It is true (certain, clear) It is said (reported, believed) It seems/happened that It worried sb a lot that 注意：It is important / natural / necessary / impossible/strange/unusual /suggested /advised /ordered/ requested/insisted/ required that 中
2、，从句谓语动词用“(should) + do”的形式, It is necessary that we _(learn) English grammar well.It is suggested that we _(not go) out to play.3). Who, whom, which, what 可以和 ever 构成合成词，引导从句，起加强语气的作用。但引导主语从句不能用 no matter who / whatExercise: 1. _that they found an unusual plant in the forest.A. It is said B. They ar
3、e said C. It said D. It says2. _ caused the accident is still a complete mystery. A. What B. That C. How D. Where 3. _surprised me most was _such a little girl of seven could play the violin so well.A. That; what B. What; that C. That; that D. What; what4. _ helped to save the drowning girl is worth
4、 praising. A. Who B. Anyone C. Whoever D. The person 5. _he passed the important but difficult exam is a very good thing. A. What B. As C./ D. That6. _he saw in his office the day before yesterday is still a puzzle.A. That B. Whose C. Which D. Whom7. _will be in charge of our company is still being
5、discussed by the leaders of our city.A. Who B. Whom C. Which D. Whoever 8. _they settled that social problem interests every one of us.A. How B. What C. Which D. That 9. _well go camping tomorrow depends on the weather. (NMET 1996)A. If B. Whether C. That D. Where 10._ makes mistakes must correct th
6、em.A. What B. That C. Whoever D. Whatever11. It worried her a bit _ her hair was turning grey.A. while B. that C. if D. for12.When and why he came here _ yet.A. is not known B. are not known C. has not known D. have not known13. _ Tom liked to eat was different from _.A. Thatthat you had expected B.
7、 What that you had expectedC. Thatwhat you had expected D. Whatwhat you had expected14._ we go swimming every day _ us a lot of good.A. If.do B. That.do C. If.does D. That.does 15.Its uncertain _ the experiment is worth doing.A. if B. that C. whether D. how16._ we cant get seems better than _ we have.A. What, what B. What, that C. That, that D. That, what17._well finish translating the book depends on the time.A. When B. Why C. What D. That18._the house will be built will be discussed at tomorrows meeting.A. If B. Where C. That D. What
