高考英语语法：it作形式主语和形式宾语的用法学案.docx

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1、形式主语/宾语学案I.形式主语、形式宾语:it在英语中，为保持句子结构前后平衡，防止头重脚轻，常用it作形式主语或形式宾语, 而将真正的主语或宾语放在句尾。此时it只起引导作用，本身无词义。II.请观察以下句子，判断it是形式主语还是形式宾语，划出句中真正的主语或宾语, 并翻译全句。1. It is wrong to tell a lie.2. It is no use arguing about it.3. It is uncertain who will come.1-3中的it均为形式主语。真正的主语/宾语有哪些形式：不定式，动名词，从句.4. It is very important

2、to liarn a foinipo language.5. It is useless crying over the spilt milk.6. It was really surprising that she married a man like that.4-6中的it均为形式主语。常见句型L It + be +形容词+真正的宾语7. It is no good telling Iios.8. It is a pity that you didnt go to see the film yesterday.9. It is a truth that there would be no

3、 new China without the Communist Party.7-9中的it均为形式主语。常见句型2.It + be+名词+真正的宾语10. It is said that they have invented a new type of computer.11. It is believed that China will become one of the strongest countries in the world.12. It was reported that more than 170 thousand people died iu the 2004 tsuna

4、mi.10-12中的it均为形式主语。常见句型3: It + be +过去分词+ 主语从句.该句型常见动词有：say, hope, think, suppose, expect, report, know, believe, etc.13. It took me some time to read the reading materials.14. It took him fourteen hours to go to New Zealand from Shanghai by plan已15.1 am not sure, but I think it takes at least nine h

5、ours to get there.13-15中的it均为形式主语。常见句型 4: It + takes + (sb.) + some time + to do sth.表示“(某人)花多少时间干某事”,句型中的sb.也可以省略。III.请观察以下句子，判断让是形式主语还是形式宾语，划出句中真正的主语或宾语, 并翻译全句。1. They found it pleasant that they worked with us Chinese.2. I dont feel it difficult to understand the Special English.3. He makes it a rule never to borrow money.4.1 think it no need talking about it with them.1-4中的it均为形式宾语。常见句型5：主语+谓语+ it +宾语补足语（形容词/名词）+真正的宾语（不定式/动名词/从句）