文档介绍：: .
that … 重要的是…… 她是否能来令人怀疑。
法 （2） It is +形容 类 似 的 形 容 词 还 有 ： strange; natural; obvious; true; good; It is essential that he should be here by the weekend .
词+从句 wonderful; possible; unlikely; quite; unusual; certain; evident; 周末之前，他应该到这里是必要的。
worth-while; surprising; interesting; astonishing, etc. It seems obvious that we can not go on like this.
很明显我们不能这样下去了。
2It is said that … 据说…… It is thought that he is the best player. 大家都认为他是最好的选
It is reported that … 据报道…… 手。
（3） It is +过去 It has been proved that … 已证明…… It is used to be thought that a new star must be due to a collision
分词+从句 It must be proved that… 必须指出…… between two stars. 过去一直认为新星是由于两颗星星之间碰
表 类似的过 去分词还 有： known; estimated; expected; believed; 撞产生的。
一 thought; hoped; noted; discussed; required; decided; suggested; It has not been made clear when the new road is to be opened to
： demanded; made clear; found out,etc. traffic. 还没弄清楚这条路将开始通车
主 固 It seems that … 好像是…… It turned out that nobody remembered the address.
语 定 It happened that… 碰巧…… 结果是无人记得那个地址。
从 用 It follows that … 由此可见…… It now appears that they are in urgent need of help.
句 法 It has turned out that … 结果是…… 看起来他们急需帮助。
和 It does not matter if I missed my train, because there is an