1、高中各年级课件教案习题汇总语文数学英语物理化学It seems that” 似乎It happened that” 碰巧It appears that” 似乎(4) It+过去分词+从句It is reported that” 据报道It has been proved that” 已证实It is said that” 据说3.主语从句不可位于句首的五种情况：（1 ）if 引导的主语从句不可居于复合句句首。（2 ）It is said /reported结构中的主语从句不可提前。例如：正确表达：It is said that President Jiang will visit our sc
2、hool next week.错误表达：That President Jiang will visit our school next week is said.（3 ）It happens/occurs结构中的主语从句不可提前。例如：正确表达：It occurred to him that he failed in the examination.错误表达：That he failed in the examination occurred to him.（4 ）It doesnt matter how/whether结构中的主语从句不可提前。例如：正确表达：It doesnt matter
3、 whether he is wrong or not.错误表达：Whether he is wrong or not doesnt matter.（5 ）含主语从句的复合句是疑问句时，主语从句不可提前。例如：正确表达：Is it likely that it will rain in the evening?错误表达：Is that will rain in the evening likely?4. what 与 that 在引导主语从句时的区别what 引导主语从句时在句时在从句中充当句子成分，如主语宾语表语，而 that则不然。例如：a) What you said yesterday
4、 is right.b) That she is still alive is a consolation二宾语从句宾语从句就是在复合句中作宾语的名词性从句，通常放在主句谓语动词( 及物动词)或介词之后。1.作动词的宾语(1)由 that 引导的宾语从句(that 通常可以省略),例如：I heard that he joined the army. 我听说他参军了。(2)由 what, whether (if)引导的宾语从句，例如：a)She did not know what had happened. 她不知道发生了什么。b)I wonder whether you can change
5、 this note for me. 我想知道你是否能帮我改一下笔记。(3)动词间接宾语宾语从句。例如：She told me that she would accept my invitation. 她对我说她会接受我的邀请。2.作介词的宾语，例如：Our success depends upon how well we can cooperate with one another.我们的成功取决于我们之间的合作。3.作形容词的宾语，例如：I am afraid (that) Ive made a mistake. 我恐怕我已经犯了一个错误。注意：that 引导的从句常跟在下列形容词后作宾语
6、：anxious,aware,certain,confident,convinced,determined,glad,proud,surprised, worried,sorry,thankful,ashamed,disappointed,annoyed, pleased, hurt, satisfied, content 等。也可以将此类词后的 that 从句的看作原因状语从句。4. it 可以作为形式宾语it 不仅可以作为形式主语，还可以作为形式宾语而真正的宾语 that 从句则放在句尾，特别是在带复合宾语的句子中。例如：We heard it that she would get mar
7、ried next month. 我听说她下个朋就会结婚了。5.后边不能直接跟 that 从句的动词这类动词有allow, refuse, let, like, cause, force, admire, condemn, celebrate, dislike, love,help,take, forgive 等。这类词后可以用不定式或动名词作宾语，但不可以用 that 引导的宾语从句。如：正确表达：I admire their winning the match.错误表达：I admire that they won the match.6.不可用 that 从句作直接宾语的动词有些动词不可
8、用于“动词间接宾语 that 从句“结构中，常见的有envy,order,accuse, refuse, impress, forgive, blame, denounce, advise, congratulate等。例如：正确表达：He impressed the manager as an honest man.错误表达：He impressed the manager that he was an honest man.7.否定的转移若主句谓语动词为 think, consider, suppose, believe, expect, fancy, guess, imagine 等，其
9、后的宾语从句若含有否定意义，一般要把否定词转移到主句谓语上，从句谓语用肯定式。例如：I dont think this dress fits you well. 我认为这件衣服不适合你穿。三.表语从句表语从句在复合句中作表语的名词性从句，放在系动词之后，一般结构是“主语连系动词表语从句” 。可以接表语从句的连系动词有 be, look, remain, seem 等。引导表语从句的 that 常可省略。另外，常用的还有 the reason is that” 和It is because 等结构。例如：1) The question is whether we can make good pr
10、eparation in such a short time.2) This is why we cant get the support of the people.3) But the fact remains that we are behind the other classes.4) The reason he is late for school is that he missed the early bus.四.同位语从句同位语从句就是在复合句中作名词的同位语的名词性从句。1.同位语从句的功能同位语从句对于名词进一步解释，说明名词的具体内容，一般由 that 引导，例如：1) T
11、he kings decision that the prisoner would be set free surprised all the people.2) The order that all the soldiers should stay still is given by the general.2.同位语在句子中的位置同位语从句有时可以不紧跟在它所说明的名词后面，而是被别的词隔开。例如：He got the news from Mary that the sports meeting was put off.3.同位语从句与定语从句的区别(1)定语从句中的 that 既代替先行
12、词，同时以在从句中作某个成分（主语或宾语），而同位语从句中的 that 是连词，只起连接主句与从句的作用，不充当句中任何成分。(2)定语从句是形容词性的，其功能是修饰先行词，对先行词加以限定，描述定的性质或特征；同位语从句是名词性的，其功能是对名词进行补充说明。例如：1) The news that he told me is that Tom would go abroad next year.（他告诉我的消息是汤姆明年将出国。）（第一个 that 引导的从句是定语从句，that 在从句中作宾语）2)The news that Tom would go abroad is told by h
13、im. 2) （汤姆将出国的消息是他讲的。）3) （同位语从句，that 在句中不作任何成分）高一英语名词性从句专项练习1 _he does has nothing to do with me.A. whateverB. No matter whatC. ThatD. If2.The manager came over and asked the customer how_A. did the quarrel came aboutB .the quarrel had come aboutC. had the quarrel come aboutD. had the quarrel come a
14、bout3.Energy is _makes thing workA. what B. something C. anything D. that4. Information has been put forward _ more middle school graduates will be admitted intouniversities.A. while B. that C. when D. as5.This is _the Shenzhou V Spaceship landed.A. thereB. in whichC. whereD. when6.They have no idea
15、 at all_.A. where he has goneB. where did he goC. which place has he goneD. where has he gone7.The doctor did a lot to reduce the patients fear _he would die of the disease.A.thatB.whichC. of whichD.of that8.The order came _the soldiers _the small village the next morning.A.that had to leaveB.that;
16、should leaveC./; must leaveD.when; should leave9._is no possibility _Bob can win the first prize in the match.A. There; thatB. It; thatC. there; whetherD. It; whether10. The question came up at the meeting_ we had enough money for ourresearch.A. thatB. whichC. whetherD. if11. Is _he said really true
17、?A. thatB.whatC. whyD. whether12._the meeting should last two days or three days doesnt matter.A. ThatB. WhetherC. IfD. Where13. It worried her a bit _her hair was turning gray.A. whileB. ifC. thatD. for14. ?_more countries can use natural energy in the future remains to be seen.A. WhetherB. ThisC.
18、whoD. If15._he will go to work in a mountain village surprises all of us.A. WhatB. ThatC. WhetherD. If16. _you dont like him is none of my business.A. WhatB. ThatC. WhoD. How17._all the inventions have in common is _they have succeeded.A. What; whatB. That; thatC. what; thatD. That what18. _appeared
19、 to me that he enjoyed the food very much.A. WhatB. ItC. All thatD. That19. It is widely _that smoking can cause cancer.A. believedB.thinkC. sayD. hoped20. _caused the accident is still a complete mystery.A. WhatB. ThatC. HowD. WhereKeys:15 ABABC610 AABAC1115 BBCAB1620 BCBAA第二章“It”用法及其句型和固定搭配讲解“It“用法及其句型和固定搭配，是高中英语语法的重点、难点，又是近几年高考的热点，因此应给予充分的重视，现将 it用法归纳如下：一、It 用作实词表达以下概念:指代前文提到的事物，前文中的 this, that；替代前文的内容；指代一位
