it的用法公开课件.ppt

⑤注意不要混淆强调句和其他从句。It is was…that…为强调句标志，去掉后仍可组成一个完整的句子，只是没被强调,而其他从句一般不具备这一特征。比较： 1) It was ten o‘clock when we got home last night． 2) It was at ten o‘clock that we got home last night． 　　　 1. (2007,浙江) It __ we had stayed together for a couple of weeks __ I found we had a lot in common. A. was; when B. was that; that C. wasn’t until; when D. wasn’t until; that 2. (2008，重庆) It was at midnight __ they reached the camp site. A. that B. when C. while D. as 3. (2007,山东)–Where did you get to know her? –It was on the farm _we worked. A. that B. there C. which D. where A. It 用作形式主语 当不定式（短语）、动名词（短语）或从句在某个句子中作主语时，为保持句子结构前后平衡，避免头重脚轻，因此常用it作形式主语置于句首，而将真正的主语放在句尾。此时it只起先行引导作用，本身无词义。 It happenes\seems\appears that 2. It takes sb.....to do sth. 3.It is no good\no use doing sth. 4. It is no wonder that..... 5.It is +adj.+ for\of sb. to do sth. 6. It is +v-ed that... 4.（2011，江苏）I’m moving to the countryside because the air there is much fresher than __ in the city. A. ones B. one C. that D. those 5. (2012,北京) The Foreign Minister said, “__ our hope that the two sides will work towards peace. A、This is B、There is C、That is D、It is 6. (2010,上海)____in the regulations that you should not tell other people the password of your e-mail account. A. What is required B. What requires C. It is required D. It requires 7. (2011,上海春) It was foolish of him to __ his notes during that important test, and as a result, he got punished. A. stick to B. refer to C. keep to D. point to 8. (2010,全国Ⅱ) It is no __ arguing with Bill because he will never change his mind. A. use B. help C. time D. way 9. (2012,天津)He didn’t make __ clear when and where the meeting would be held. A. this B. that C. it D. these 10. (2011,湖南)As the busiest woman in Norton, she made __ her duty to look after all the other pe