It-句型归纳总结.doc
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1、It 句型归纳总结IIt 作形式主语的句型 It + be + adj (kind , wise , careless, clever ) + of sb to do sthEg: It is wise of him to make such a decision.他做出这样的决定是明智的。 It + be + adj(easy , safe , common , normal ) + for sb to do sth该句型中adj若为important, necessary, natural, possible, strange, vital, essential等可改为从句,从句用shou
2、ld+动词原形。.Eg: Its very dangerous for children to play with fire.It is important for us to learn English well. (= It is important that we (should) learn English well.) It + be +V-ed( reported, believed, said, suggested) + that 从句 该句型中:若V-ed为reported, believed, said等常译为“据报道”,“据认为”,“据说”。若V-ed为suggested,
3、 ordered, demanded, insisted等表示“建议”,“命令”的词,从句要用虚拟语气(should)+动词原形。Eg: It is suggested that the book (should) be revised.Its said that Tom has been back from abroad.(=Tom is said to have been back from abroad.) It + be + n (a pity, a shame, a fact , good news) + that 从句: 该句型中,从句一般用(should) + 动词原形,表示出乎
4、意料,常译为竟然。 Eg: It is a pity that such a thing ( should ) happen in your class. 这种事竟然发生在你们班上,真是遗憾! It is useless/no use/no good + doing sth此句型中的it是形式主语, 其后的动名词短语是真正的主语,译为“做没有用”。Eg : It useless arguing with him further.Its no use talking with him, because he wont listen. It takes sb. . to do sth. 该句型中i
5、t是形式主语,真正的宾语是to do sth,常译为做要花费某人。 Eg: It took thousands of people many years to build the Great Wall.IIIt 作形式宾语的句型1. sb find/ believe/ think/ feel/ consider/ make + it +n/adj +to do或从句该句型中的it 作形式宾语。为了记忆方便我们可称该句型为“6123结构”。6 指主句中常用的动词:think, believe, make, find, consider, feel;1 指的是形式宾语 it;2 指的是宾补的两种形
6、式:形容词或名词;3 指的是真正宾语的三种形式:不定式短语,动名词短语或that引导的宾语从句。Eg: We think it our duty to clean our classroom every day.He felt it important learning English well.They found it difficult that they would finish their work in two days.2. 主语hate / dislike / love / like it when从句Eg: I hate it when people speak with t
7、heir mouths full.3. 主语appreciate it if从句Eg: I really appreciate it if you could help me with my math.4. sb. depend on/count on/rely on/ see to(负责,确保) / answer for it that Eg: You may rely on it that he wont be late. You must see to it that the doors are locked before you leave the lab.5. sb. take it
8、 for granted that 认为是理所当然的 Eg: I take it for granted that he will succeed. III It 引导的强调句强调句形式:It + is/was +被强调的部分+ that/who 从句 Eg: It was last week that I met an old friend in the street.It was because he was ill that he didnt come to school yesterday. (强调原因状语从句时,只能强调由because所引导的从句.)判断方法:将It is/was和
9、that去掉,若该句是一个完整无缺的句子即为强调句.常考考点: 强调句型中的主谓一致Eg: It is you,rather than he,that are to blame for the accident 插入从句的强调句型 Eg: It was in the restaurant where we had dinner last Sunday that you left your wallet强调句型的一般疑问句、特殊疑问句形式一般疑问句:Is / Was it + 被强调部分+ that + 句子其余部分 ?Eg: Was it in 1933 that the Second Wor
10、ld War broke out?特殊疑问句:疑问词+ be + it + that + 句子其余部分?Eg: When was it that he changed his mind to take part in the activity?强调句型用于名词性从句, 尤其注意要使用陈述语序。 Eg: I dont know when it was that he changed his mind to take part in the activity?not until用于强调句型It is / was not until 被强调部分 that 其他部分Eg : It was not un
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