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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假设为important, necessary, natural, possible, strange, vital, essential等可改为从句,从句用sho
2、uld+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:假设V-ed为reported, believed, said等常译为“据报道,“据认为,“据说。假设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,表示出乎意料
4、,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it是形
5、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构造。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式:形容
6、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 their
7、 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 for
8、 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 +被强调的局部+ 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that
9、去掉,假设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 + 被强调局部+ that + 句子其余局部 Eg: Was it in 1933 that the Second World W
10、ar broke out特殊疑问句:疑问词+ be + it + that + 句子其余局部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 被强调局部 that 其他局部Eg : It was not until mi
11、dnight that she went back home.此句型只用until,不用till。但如果不是强调句型,till和until可通用。因为句型中It is / was not.已经是否认句了,that后面的从句要用肯定句。VI It其他常见用法:It looks / appears as if . 看起来好似It seems that . 似乎It turns out that. 原来是It occurs to/strikes sb that 突然想到It happened that . 碰巧 It doesnt matter whether/if无论是没关系It is no wo
12、nder that 难怪决定,由负责,取决于as it is (1)事实上,实际情况是; (2)照原样make it成功、做到、说定How did it come about that “怎么发生的?完成句子稳固练习:1. I was about to go to the airport when _that I had left my passport in the living room.(occur)我刚要出发去机场,这时我突然想起我把护照落在起居室了。2. You have no idea _to take every chance to live life to the fulles
13、t.(how)你不知道,充分利用一切时机让自己的生活更加充实,这对我们来说有多重要。3. _ China successfully sent up Shenzhou-8 into space (when)中国终究是什么时候成功发射了神舟八号的?4. It was the first time that I _, anyhow, I was confident of myself. (undertake)这是我第一次承当如此重要的任务,但不管怎样,我对自己有信心。5. _that well have a three-day holiday next month. (announce)已经宣布,我
14、们下个月将会有一个三天的假期。6. It has been ten years _.(join)自从他参军以来已经有十年了。7. Each new way of looking at a situation improves our understanding and _ to discover new possibilities. (make)每种对待事物的方式都提高我们的理解力并且使得发现新事物更容易。8. The professor doesnt know _ the medicine can be tested on human patients. (before)教授不知道还要多久才
15、能将这种药在病人身上试验。9. _how many of these new technologies will become reality. (remain)终究有多少新技术将成为现实还有待观察。10. It was in the village where you once lived _(happen)这起事故就发生在你曾经生活过的村庄。11. The information technology is developing so fast _what computers can do in the next 20 years.(predict)信息技术开展如此之快,以致于难以预测电脑
16、在今后20年里能做些什么。12. He is diligent and works efficiently and _ he stands out in every subject. (wonder)他学习勤奋,而且效率高,难怪他门门学科表现突出。13. You may _ I will come to your assistance whenever you are in trouble. (rely)你可以相信,无论什么时候只要你有困难,我都会来帮你。14. My English teacher suggested _ to listen to English programmes hal
17、f an hour before going to bed every day. (rule)我的英语教师建议我养成每晚睡觉前听半个小时英语节目的习惯。15.You can that he will never do anything that is harmful to our friendship. (depend)你可以放心,他绝不会做任何对我们的友谊有害的事情的。 16. You must all the lights are turned off before you leave your classroom. (see)你必须确保在你离开之前所有的灯都关掉了。17. that re
18、moved the bronze statue from the square of St.Petersburg (who)是谁从St. Petersburg 广场移走铜像的?18. It was the computer that broke down halfway for the loss of all my files. (blame) 是半路抛锚的汽车该为我所有文件的丧失负责任。 19. I wonder makes him so successful in business. (it)我在想是什么使他生意做得如此成功。20. It was at the G20 meeting on
19、 how to fight against pollution all over the world. (come) 正是在二十国峰会上,许多关于全球如何抗击污染的好建议被提了出来。213. It is completely wrong of George all that his parents do for him. (take) 乔治认为父母给予他得一切都是理所当然的,这是完全错误的。224. It was not long of smoking. (get) 没过多久,他就染上了抽烟的习惯。23. It is widely acknowledged that perseverance is to do anything well. (take) 人们普遍认为,做好任何事情都需要毅力。24. Its high time that we to stop pollution and improve our environment. (take) 我们真该采取措施来阻止污染,改善环境了。25. the Second World War that the importance of Flemings discovery was fully recognized. (until)直到第二次世界大战,弗雷明发现的重要性才被完全认可。
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