高中英语选修6It的用法语法练习题及答案
选修六unit4 it 语法专题&answer
选修六unit4 it 语法专题一、单项选择1.It was at the gate ____ he told me the news.A. thatB. whatC. whichD. when2.Is ____necessary to tell his father everything?A. itB. thatC. whatD. he3.Was it in this palace ____ the last emperor died?A. thatB. in whichC. in whereD. which4.Is ____ possible to fly to the moon in a spaceship?A. nowB. manC. thatD. it5.Was it during the Second World War ____he died?A. thatB. whileC. in whichD. then6.Is ____necessary to complete the design before National Day?A. thisB. thatC. itD. he7.I don't think ____possible to master a foreign language without much memory work.A. thisB. thatC. itsD. it8.Does ____matter if he can't finish the job on time?A. thisB. thatC. heD. it9.It was not ____she took off her dark glasses ____ I realized she was a famous film star.A. when; thatB. until; thatC. until; whenD. when; then10.Tom…s mother kept telling him that he should work harder, but ____didn‟t hel p.A. heB. whichC. sheD. it11.____is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. It 12．He feels ________ duty to help others.A．that he B．that his C．it he D．it his 13．Take ________ easy. The roads are icy.A．it B．them C．us D．you 14．________ was ________ who I met in the museum this morning.A．It; him B．It; he C．That; he D. That; him 15．It was in the rice fields ________ we had our League meeting.A．where B．that C．in which D．on which16．________ you come to the party so late?A．Why is it B．Why it isC．Why it is that D．Why is it that17.Someone is at the door, who is ?A.thisB.thatC.itD.he18．It was only when I reread his poems recently ____ I began to appreciate their beauty.A．until B．that C．then D．So19.It is the ability to do the job ____ matters not where you come from or what you are.A.oneB.thatC.whatD.it20．I hate ______ when people talk with their mouths full.A．it B．that C．these D．them21.It was not until 1920 ____ regular radio broadcasts began.A．while B．which C．that D．since22. She heard of a terrible noise, ___ brought her heart into her mouth.A.itB. whichC. thisD. that23. Alice received an invitation from her boss, ____ came as a surprise.A.it B .that C. which D. he24.It was ____ he said _____ disappointed me.A. what; whatB. that; thatC. what; thatD. that ;what25.It was in the lab ___ was taken charge of by Professor Harris ___ they did the experiment.A. which; thatB. that; whatC. whom; thatD. which; where26.Many people now make a rule to buy cards for their friends before Christmas.A. themselvesB.itC. thatD. this27. It ____ you that ____ to blame.A.is; isB.is; areC. are ;areD. are; is28. Was_____ that I saw last night at the concert?A.it youB. not youC. youD. that you29.____ electricity plays such an important part in our life?A. Why is it thatB. Why is itC. Why it is thatD. Why is that30.—It is raining cats and dogs.—.A. So it isB. So is itC. Neither it isD. Neither is it二、根据中文提示和本单元语法知识完成句子。
(完整版)人教版英语选修六高二unit3语法Grammar—it的用法(1)
Section_ⅢGrammar—it的用法(1)语法图解探究发现①It is a beautiful day here and I am sitting under the big tree at the end of the garden.②Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up.③It is never too late to mend.④It is no use talking to them.⑤It is said that he stole the money.⑥I think it difficult to learn English well.⑦We make it clear that speaking to the teacher in that way is not polite.⑧I don't like it when people talk with the mouth full of food.[我的发现](1)①句it表示天气，②句第一个it代替to_give_it_up作形式宾语；第二个it代替句中所说的“吸烟”的事。
(2)在句③④⑤中it用作形式主语，其中句③用在“It is＋形容词＋(for/of＋sb.)＋动词不定式(短语)”中，it指代动词不定式(短语)；句④用在“It is＋no use/good＋动名词(短语)”中，it指代动名词(短语)；句⑤用在“It is＋said/believed/reported＋that从句”中，it指代that 从句。
(3)在句⑥⑦⑧中it用作形式宾语，其中句⑥用在“动词＋it＋形容词＋动词不定式(短语)”中，it指代动词不定式(短语)，句⑦用在“动词＋it＋形容词＋that从句”中，指代that 从句；句⑧it用在某些特殊的句式中，指代when从句。
高考英语语法填空代词it的用法练习题30题
高考英语语法填空代词it的用法练习题30题1.It is important for us to learn English well.A.thatB.thisC.whatD.which答案：A。
本题考查it 作形式主语的用法。
“It is+形容词+for sb to do sth”是固定句型，it 作形式主语，真正的主语是后面的不定式短语“to learn English well”。
选项B“this”、C“what”、D“which”均不能在此处作形式主语。
2.We think it necessary to do exercise every day.A.thatB.thisC.whatD.which答案：A。
本题考查it 作形式宾语的用法。
“think it+形容词+to do sth”是固定句型，it 作形式宾语，真正的宾语是后面的不定式短语“to do exercise every day”。
选项B“this”、C“what”、D“which”均不能在此处作形式宾语。
3.It is said that he is very good at math.A.thatB.thisC.whatD.which答案：A。
本题考查it 作形式主语的用法。
“It is said that+句子”是固定句型，it 作形式主语，真正的主语是后面的that 引导的主语从句。
选项B“this”、C“what”、D“which”均不能在此处作形式主语。
4.We make it a rule to get up early.A.thatB.thisC.whatD.which答案：A。
本题考查it 作形式宾语的用法。
“make it a rule to do sth”是固定句型，it 作形式宾语，真正的宾语是后面的不定式短语“to get up early”。
选项B“this”、C“what”、D“which”均不能在此处作形式宾语。
人教版高中英语选修六Book6Unit4Grammar(“it”的用法(二))
高中英语学习材料madeofjingetiejiGRAMMAR“it”的用法（二）上一单元，我们复习了it作代词的基本用法，并学习了it作形式主语、形式宾语的用法。
本单元我们主要学习it在强调句型中的用法。
【语境展示】观察下面几组句子中it的用法，然后加以总结。
1. a. It was cholera that killed him.b. It was Iris that / who found him there.c. It’s Lawrence that / who /whom you should be talking to.d. It was three weeks later that he heard the news.e. It was in New Zealand that Elizabeth first met Mr. Cronje.2. a. Was it in this year that the war broke out?b. Is it Tracy that / who / whom you are looking for?3. a. Why is it that everyone thinks he is selfish?b. What was it that they fought for?4. a. It was because I wanted to buy a dictionary that I went to town yesterday.b. It is what he said just now that makes me angry.5. a. It must be your mother that / who / whom you are thinking of.b. It might be my two sisters that / who know her best.6. a. It is not until the end of the year that the traffic laws will take effect.b. It was not until he was thirty that he started to paint.【自我归纳】1. it用在强调结构中，可以对句子中除谓语动词以外的成分加以强调。
高中英语 每日一题(第06周)it的用法(含解析)新人教版选修6-新人教版高二选修6英语试题
it的用法高考频度：★★★☆☆难易程度：★★☆☆☆1.〔2016·浙江〕In many ways , the education system in the US is not very different from _______in the UK.A. thatB. thisC. oneD. it【参考答案】A【易混辨析】it/one/that的用法区别1. it ①代替前面的事物本身；②可以代替可数名词，也可以代替不可数名词。
代替可数名词时，复数形式为they/ them；③没有增加语意，所以不能带有任何定语。
2. one ①可以代替与前面同类不同一的事物，可以代指物，也可以代指人；②可以代替某类事物中的任何一个；③可以作同位语，重复指代前面的事物；④one表泛指，相当于a/an+名词；⑤one只能代替可数名词，其复数形式是ones；⑥one可以根据语意在它的前面或后面加上一些定语；⑦one前面不能直接加不定冠词〔a/an〕或物主代词，one前已经有形容词时，如此可以加不定冠词或物主代词；one前加the与否，取决于是否特指，如果是特指就加the。
3. that ①代替与前面同类不同一的事物，只能代指物；②that表特指，相当于the+名词；③可以代替可数名词，也可以代替不可数名词。
代替可数名词时，复数形式为those；④that可以根据语意在它的后面加上一些定语，多数是of短语，它的前面不能存在任何定语。
2. 〔2015·浙江〕How would you like if you were watching your favorite TV program and someone cameinto the room and just shut it off without asking you?A. themB. oneC. thoseD. it【参考答案】DⅠ. 单项填空1. An average of just 18.75cm of rain fell last year, making ___________ the driest year sinceCalifornia became a state in 1850.A.eachB.itC.thisD.one2. I’d appreciate ___________ if you could let me know in advance whether or not you will come.A.itB.youC.oneD.this3.—Who’s that at the door?—___________ is the milkman.A. HeB. ThatC. SheD. It4. —Do you like ___________ here?—Oh, yes. The air, the weather, the way of life. Everything is nice.A. thisB. theseC. thatD. it5. The two girls are so alike that strangers find ___________ difficult to tell one from the other.A. itB. themC. herD. thatⅡ. 用it作形式主语的用法改写如下各个句子1．To learn something about the use of “it〞 is necessary.________________________________________________________________________2．Crying over spilt milk is no use.________________________________________________________________________3．That the boss was behaving pretty strangely struck me.________________________________________________________________________4．Whether yo u come or not doesn’t interest me.________________________________________________________________________5．Tom is believed to win the race.________________________________________________________________________Ⅰ. 单项填空1. B 【解析】make sth/sb+n.＂使/让某事(某人)成为……＂。
选修6_unit3_it_的用法
强调句基本结构：
It is/was + 被强调部分 + that/who + 句子的其他部分 如果强调的是人，可以用who代that。
Prof. Lin teaches us French.
It is French that Prof. Lin teaches us. It is Pro. Lin who/that teaches us French.
特殊句型：
It be + 时间 + before …
这个句型和上面句型中时间都是时间段，如long、 years、months、weeks、five days、three hours、 twenty minutes等。不过主句的时态多用一般将来时 或一般过去时。
It will be several years before we meet again.
It is up to sb. to do sth … 应由某人做某事。
It is up to you to decide whether we start or not.
2) 动名词
用no good，no use，great fun，a new experience等名词作表语； ______________ for him. It is fun working 为他工作很有意思。
我们要过好几年才能再见面。
It was not long before they set out for the front.
不久他们就出发去了前线。
be+时间段+before… “过多久…才”
It
be not+时间段+before… “没过多久…就”
高考英语语法填空代词it的用法练习题40题含答案解析
高考英语语法填空代词it的用法练习题40题含答案解析1.It's very kind of you to help me. “It” in this sentence refers to _____.A.helping meB.youC.meD.kindness答案解析：B。
在这个句子中“it”作形式主语，真正的主语是“to help me”，“it”指代“you”。
A 选项“helping me”是真正主语的内容；C 选项“me”是“help”的对象；D 选项“kindness”与句子中的“it”无关。
2.I found it difficult to learn English. “It” in this sentence refers to _____.A.learning EnglishB.EnglishC.ID.difficult答案解析：A。
此句中“it”作形式宾语，真正的宾语是“to learn English”，“it”指代“learning English”。
B 选项“English”只是学习的对象；C 选项“I”是句子的主语；D 选项“difficult”是形容词，与“it”无关。
3.It is raining outside. “It” in this sentence refers to _____.A.outsideB.rainingC.weatherD.time答案解析：B。
这句话中“it”用来指代天气状况，具体是“raining”。
A 选项“outside”是地点；C 选项“weather”太宽泛；D 选项“time”与句子意思不符。
4.It seems that he is very busy. “It” in this sentence refers to _____.A.heB.busyC.seemsD.the situation答案解析：D。
此句中“it”作形式主语，指代后面“he is very busy”这个情况。
选修6第三单元语法it的用法
二、作引导词，在句中作形式主语或形式宾语， 代替后面的动词不定式、动名词或从句。
1) 代替 “to do” It is important for us to learn English well.
I found it necessary to tell him about the matter.
一、 it用作代词
S1. What is this? It is a cellphone. S2. What is that? It is his dictionary. S3. Whose book is this? It is Mr Cheng’s. S4. Where is your English book? It is here. S5. My cat is missing, I can’t find it anywhere. S6. What a beautiful baby? Is it a boy? Draw a conclusion: 1. It---词性? ______ pron. 可以用作人称代词，代指 前文提到的事物. 还可以替代指示代词_____ _______________ this 或 指代性别不详的人或者是幼儿 ______ that 或__________________________
2017_2018学年高中英语每日一题第06周it的用法含解析新人教版选修6
it的用法高考频度：★★★☆☆难易程度：★★☆☆☆1.（2016·浙江）In many ways , the education system in the US is not very different from _______in the UK.A. thatB. thisC. oneD. it【参考答案】A【易混辨析】it/one/that的用法区别1. it ①代替前面的事物本身；②可以代替可数名词，也可以代替不可数名词。
代替可数名词时，复数形式为they/ them；③没有增加语意，所以不能带有任何定语。
2. one ①可以代替与前面同类不同一的事物，可以代指物，也可以代指人；②可以代替某类事物中的任何一个；③可以作同位语，重复指代前面的事物；④one表泛指，相当于a/an+名词；⑤one只能代替可数名词，其复数形式是ones；⑥one可以根据语意在它的前面或后面加上一些定语；⑦one前面不能直接加不定冠词（a/an）或物主代词，one前已经有形容词时，则可以加不定冠词或物主代词；one前加the与否，取决于是否特指，如果是特指就加the。
3. that ①代替与前面同类不同一的事物，只能代指物；②that表特指，相当于the+名词；③可以代替可数名词，也可以代替不可数名词。
代替可数名词时，复数形式为those；④that可以根据语意在它的后面加上一些定语，多数是of短语，它的前面不能存在任何定语。
2. （2015·浙江）How would you like if you were watching your favorite TV program and someone cameinto the room and just shut it off without asking you?A. themB. oneC. thoseD. it【参考答案】DⅠ. 单项填空1. An average of just 18.75cm of rain fell last year, making ___________ the driest year sinceCalifornia became a state in 1850.A. eachB. itC. thisD. one2. I’d appreciate ___________ if you could let me know in advance whether or not you will come.A. itB. youC. oneD. this3.—Who’s that at the door?— ___________ is the milkman.A. HeB. ThatC. SheD. It4. —Do you like ___________ here?—Oh, yes. The air, the weather, the way of life. Everything is nice.A. thisB. theseC. thatD. it5. The two girls are so alike that strangers find ___________ difficult to tell one from the other.A. itB. themC. herD. thatⅡ. 用it作形式主语的用法改写下列各个句子1．To learn something about the use of “it” is necessary.________________________________________________________________________2．Crying over spilt milk is no use.________________________________________________________________________3．That the boss was behaving pretty strangely struck me.________________________________________________________________________4．Whether you come or not doesn’t interest me.________________________________________________________________________5．Tom is believed to win the race.________________________________________________________________________Ⅰ. 单项填空1. B 【解析】make sth/sb+n.＂使/让某事(某人)成为……＂。
it的用法(附答案)
it的用法1. The train goes at 10:15, and it’s now ten o’clock. I think we shall make .A. thatB. itC. the timeD. successful2. It is the ability to do the job matters not where you come from or what you are.A. oneB. thatC. whatD. it3. It was only when I reread these poems recently I began to appreciate their beauty.A. untilB. thatC. thenD. so that4. I hate when people talk with their mouths full.A. itB. thatC. theseD. them5. Where was it you found the lost child?A. thereB. thatC. the placeD. in which6. Does matter if he can’t finish the job on time?A. thisB. thatC. heD. it7. is no need to repeating it so many times.A. ThereB. ItC. WhichD. That8. is no chance that they will show up at the evening.A. ThatB. ItC. ThereD. This9. — I saw no more than one motorbike in that shop. Will you go and buy ?—No, I’d rather find in other shops.A. one; oneB. it; itC. one; itD. it; one10. —I can’t find Mr. Smith. Where did you meet him this morning?— It was in the hotel he stayed.A. whereB. whichC. the oneD. that11. It doesn’t matter to me I miss my train, because there’s another one later.A. thatB. ifC. unlessD. when12. — Have you got used to the Chinese food, Robert?—Yes, but I don’t like when a Chinese host keeps serving me the food I don’t like.A. thisB. thatC. thoseD. it13. Mrs. Stewards kept telling her son not to go online too frequently, but didn’t help.A. sheB. heC. itD. which14. — How can I wake up so early?—Set the alarm at 5 o’clock, and you’ll make .A. soB. thatC. itD. there15. Was it in the lab was taken charge of by Professor Zhang they did theexperiment?A. which; whenB. that; whichC. that; whereD. which; that16. Someone is ringing the bell. Go and see .A. who is heB. who he isC. who is itD. who it is17. I was disappointed with the film. I had expected to be much better.A. thatB. thisC. oneD. it18. —Mr. Barton changed his mind to take park in the movement?— After he listen to the speech by Mr. King.A. When was that itB. When was it thatC. When was thatD. When was it19. Why don’t you bring to his attention that you are too ill to go on working?A. itB. youC. himD. this20. is no good without doing anything.A. This; talkingB. It; talkC. It; talkingD. That; to talk21. four years since I left my hometown.A. It wasB. There wasC. There isD. It is22. The two girls are so alike that strangers find difficult to tell one from the other.A. itB. themC. herD. that23. It was the training he had as a young man made him such a famous writer.A. which; whichB. that; whichC. that; whoD. that; that24. He was an old man, and didn’t matter much where he lived.A. itB. whatC. whichD. that25. We feel our duty to make our country a better place.A. itB. thisC. thatD. one26. — My mother is 45 years old.—Really? She doesn’t look .A. itB. youngC. herD. this27. We all take for granted that heavy objects fall faster than light ones.A. thatB. oneC. thisD. it28. We have various summer camps for your holidays. You can choose based on yourown interests.A. eitherB. eachC. oneD. it29. The employment rate has continued to rise in big cities thanks to the efforts of the localgovernment to increase .A. themB. thoseC. itD. that30. Why don’t you bring to his attention that you’re too ill to work on?A. thatB. itC. thisD. him31. — Have you got used to your school life here?—Yes, but I don’t like when we have to do exercises on cold winter mornings.A. thatB. itC. thoseD. this32. I take it you don’t agree with me.A. thatB. whichC. whenD. what33. Is it only on the world market we can prove the competitiveness and quality of ourgoods?A. thatB. ever sinceC. whereD. now that34. It was back home after the experiment.A. not until midnight did he goB. until midnight that he didn’t goC. not until midnight that he wentD. until midnight when he didn’t go35. — Is OK to take this seat?— Sorry, .A. this; here you areB. it; take itC. it; it’s takenD. that; never mind。
高中英语人教版浙江专版选修6Unit 4 Section Ⅲ Grammar— it的用法(2) Word版含答案
Section_ⅢGrammar—it的用法(2)语法图解探究发现①There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.②It was a scientist called Charles Keeling, who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.③They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.④It was during the 20th century that the temperature of the earth went up about one degree Fahrenheit.[我的发现]这些句子都是强调句，句中的黑体词部分标出了句中的强调句结构，即：it_is/was＋被强调部分＋that/who ...句首词用“it”；be动词总是用单数形式，即is或was。
连接词一般用that，当强调部分是人时，强调连接词也可用who。
一、强调句的基本用法强调句就是把句中要强调的部分(通常是主语、宾语、状语或状语从句)放在It is/was和that/who之间，原句中剩余部分放在that/who之后。
1．强调句的陈述句式“It is/was＋被强调部分＋that/who＋其他剩余部分．”The 2022 Winter Olympic Games will take place in Beijing and Zhangjiakou.→It is in Beijing and Zhangjiakou that the 2022 Winter Olympic Games will take place.在北京和张家口将要举行2022年冬季奥运会。
it用法及练习附答案
高三一轮复习It的用法总结It的用法在高考中也是重现率较高的语言点，尤其是it用于强调句。
其考查方式多通过“语法填空”进行，偶尔也出现在“短文改错”和“完形填空”中。
一、it 作人称代词的用法1. 指事物作为人称代词，it 可以除人以外的一切事物或动物。
如：I dropped my watch and it broke.It’s hard work, but I enjoy it.“Where is the dog?”“It’s in the bedroom. ”2. 指人it 指人主要用于指不性别不明的婴儿或用于确认某人的身份。
如：Is it a boy or a girl?There is a knock on the door. It must be the postman.【说明】在答语中，常用来指本人，如说It’s me。
3. 代替某些代词代词it 还可用于代替指示代词this, that 以及复合不定代词something, anything, nothing等。
如：“What’s this?”“It’s a new machine. ”Nothing is wrong, is it?二、it 作非人称代词的用法1. 基本用法：主要用于指时间、距离、价值、天气、气候及温度等自然现象。
如：It’s too late to go there now.It rained all day yesterday.It can get very hot here.2. 用于某些句型：It’s time for sb to do sth. 某人该干某事了。
It’s (about / high) time + that-从句. 某人该做某事了。
(从句谓语用过去式，有时也用“should+动词原形”)It’s first (second) time + that-从句. 某人第几次干某事。
(从句谓语用现在完成时)It’s + 时间段+ since-从句. 自从……有一段时间了。
英语选修6It的用法语法练习题及答案
It的用法It的用法在高考中也是重现率较高的语言点，尤其是it用于强调句。
其考查方式多通过“单项填空”进行，偶尔也出现在“短文改错”和“完形填空”中。
1．(NMET98) It was only when I reread his poems recently ___ I began to appreciate their beauty．A．until B．that C．then D．so正确答案：B 此题考查强调句，所以用that。
2．(NMET98) I hate____when people talk with their mouths full．A．it B．that C．these D．them正确答案：A 此题考查it作形式宾语的用法，所以选A。
3．(MET91，短文改错)David and I did not agree and David pointed to a path which he thought it would probably lead to a village．正确答案：去掉it，因为定语从句中已有宾语which。
一、要点点拔1．代替上文中提到过的人或事物。
指代人时，一般用于小孩或身份不十分明朗的人。
1) －Who is the baby?－It‘s my teacher’s son．2) －Who is that gentleman?－It's my friend Tom．He(不可用It) wants to see you．2．用于表达天气、环境、时间、距离、季节等。
例如：1) It’s half an hour’s walk from here to our school．2) It‘s nice and warm here．3) But it's two o'clock now, and it's time for us to go to school．3．用作形式主语.it 没有具体意义，而只是帮助把真正的主语移至句子后尾，使句子显得平稳一些，能借it 给移至句子后尾的主语有三种：一种由不定式表示，一种由动名词表示，一种由从句表示。
高二英语人教版选修六第三单元语法讲解 +答案
Book6 Unit3 A healthy life语法：it 用法一、代词1.人称代词it 用来指代上文所提到的事物，或代替整个句子或该句中谓语部分所表示的意思:①---What do you think of the movie? ---It’s one of the best movies that I’ve seen.②You saved my life; I’ll never forget it.③Tom’s mother kept telling him that he should work harder, but it didn’t help.2.指代婴儿或儿童;在不清楚某人性别时,也可使用it,尤其在问答的形式中更为常见.例如:①---Who’s the lovely baby? ---It’s Mr. Black’s.②---Look, someone is coming. Who can it be? ---It may be the headmaster.1)I was cooking in the kitchen when someone knocked at the door. ___ was my close friend, Lisa. 3.还可以替代指示代词this 或that. ---What is that? ---It is his dictionary.2)This is the first time that I have come here, ____ ?(反义疑问句)4.用来表示时间, 天气, 气候, 距离, 温度, 环境, 季节, 价钱, 状况，次数等。
①It's awful—I've got so much work I don't know where to start.（笼统状况）②How is it going?③It was very noisy outside now.(表示环境)3)was a sunny day. Now__ was eight o’clock. They decided to go for a walk to the park, though __ _was two miles away. ___ was so comfortable to walk on the street _____ was quiet there. Suddenly ___ began to rain. They found __ hard to go home. When they got home, they were wet through. Thus ___ was a day that they would never forget.4)从这到我们家大约半小时的车程。
高考英语语法填空代词it的用法练习题30题含答案解析
高考英语语法填空代词it的用法练习题30题含答案解析1.It is important for us to protect the environment. “it”在这里作形式主语，真正的主语是to protect the environment.A.thatB.thisC.whatD.it答案解析：D。
本题中“It is important for us to protect the environment.”是固定句型，“it”作形式主语，真正的主语是“to protect the environment”。
选项A“that”在本句中无此用法；选项B“this”也不能作形式主语；选项C“what”不用于此句型。
2.It took me two hours to finish my homework. “it”在这里作形式主语，真正的主语是to finish my homework.A.IB.meC.myD.it答案解析：D。
本题中“It took me two hours to finish my homework.”是固定句型，“it”作形式主语，真正的主语是“to finish my homework”。
选项A“I”不能作形式主语；选项B“me”不能作形式主语；选项C“my”是形容词性物主代词，不能作形式主语。
3.We think it necessary to learn English well. “it”在这里作形式宾语，真正的宾语是to learn English well.A.thatB.thisC.whatD.it答案解析：D。
本题中“We think it necessary to learn English well.”是固定句型，“it”作形式宾语，真正的宾语是“to learn English well”。
选项A“that”在本句中无此用法；选项B“this”也不能作形式宾语；选项C“what”不用于此句型。
人教版高中英语【选修六】[重点题型巩固练习] it的用法(2)
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人教版高中英语选修六知识点梳理重点题型（常考知识点）巩固练习巩固练习Ⅰ. 把下面句子译成英语，注意it的用法。
1. 过了很久他才回来。
________________________________________________________________________2. 我们两个月后才会再见面。
________________________________________________________________________3. 我离开这所学校已经20年了________________________________________________________________________4. 直到她摘下墨镜我才认出她是个著名影星。
________________________________________________________________________5. 是约600年前第一块带有表盘(face)和一个时针（hour hand）的钟表被制造出来的。
________________________________________________________________________6. 昨天是他们打扫的教室。
________________________________________________________________________7. 我是在大街上遇见她的父亲的。
________________________________________________________________________8. 我们弄清楚了我们要在何时何地开会。
________________________________________________________________________9. 据说所有的票都卖完了。
________________________________________________________________________10. 我们真的该采取行动了。
高中英语It用法练习
高中英语It用法练习一、It引导强调句型1、构成：It is/was+被强调部分+that+其余部分本文. It was his kindness that made me feel at home.本文. It was in the street that I met her.本文. It was the book which we read yesterday that I found missing.2、去掉it was that，句子结构完整本文. His kindness made me feel at home.本文. In the street I met her.本文. The book which we read yesterday was missing.3、强调时间、地点、方式、来源等词或短语时，不使用that，而使用when，where，in which，from which等。
这种结构叫做一般疑问句式。
本文. It was in 1949 that the Peoples Republic of China wasfounded.本文. It was on Monday that he had the discussion with them.二、It在句中作形式主语或形式宾语1、It作形式主语：指代主语[真正主语]+不定式/动名词短语时，构成固定句型：It is+noun/形容词+to do或It is+adj+doing。
例如：本文. It is our duty to help the poor.帮助穷人是我们的职责。
本文. It’s a pleasure to work with you.与你一起工作很愉快。
2. It作形式宾语：指代宾语[真正宾语]+感官动词(like/love/hate/dislike)+不定式/动名词短语时，构成固定句型：It feels/seems/looks/sounds+adj/noun。
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It的用法It的用法在高考中也是重现率较高的语言点，尤其是it用于强调句。
其考查方式多通过“单项填空”进行，偶尔也出现在“短文改错”和“完形填空”中。
1．(NMET98) It was only when I reread his poems recently ___ I began to appreciate their beauty．A．until B．that C．then D．so正确答案：B 此题考查强调句，所以用that。
2．(NMET98) I hate____when people talk with their mouths full．A．it B．that C．these D．them正确答案：A 此题考查it作形式宾语的用法，所以选A。
3．(MET91，短文改错)David and I did not agree and David pointed to a path which he thought it would probably lead to a village．正确答案：去掉it，因为定语从句中已有宾语which。
一、要点点拔1．代替上文中提到过的人或事物。
指代人时，一般用于小孩或身份不十分明朗的人。
1) －Who is the baby?－It‘s my teacher’s son．2) －Who is that gentleman?－It's my friend Tom．He(不可用It) wants to see you．2．用于表达天气、环境、时间、距离、季节等。
例如：1) It’s half an hour’s walk from here to our school．2) It‘s nice and warm here．3) But it's two o'clock now, and it's time for us to go to school．3．用作形式主语.it 没有具体意义，而只是帮助把真正的主语移至句子后尾，使句子显得平稳一些，能借it 给移至句子后尾的主语有三种：一种由不定式表示，一种由动名词表示，一种由从句表示。
1).It 替代真正的主语——动词不定式短语.It is easier to say than to do .It is a good act to help the others.2).it 替代真正的主语——动名词短语,以动名词短语做主语的句子，主要在以no good, no use, no harm, dangerous, foolish 等词作表语的句中.It’s no harm drinking running water in that area。
It’s foolish talking like that.3).it 替代从句作主语，用从句做主语的带it 的句子很多,常见的有下面几类：①It is a pity (a shame ,a fact ,a wonder ,a good thing,etc. )that…It is a shame that he didn’t pass the exam.②It is strange ( surprising,obvious ,true, good,possible,clear,etc. ) that…。
It was clear that they had no desire for peace.③It seems (happened ,turned out,etc.)that…It seemed that things were not as they expected.④It is said ( decided ,expected ,etc)that …It is said that the tickets have been sold out .4.用作形式宾语。
当复合宾语中的宾语是不定式,－ing短语或从句往往用it作形式宾语,而将真正的宾语移至句末,句子重心后移。
1) We find it difficult to learn English well in such a short time．2) We think it no use crying over spilt milk．3) We made it clear when and where we were going to have the meeting．5．用于强调句型，即“It is/was＋被强调部分＋that/who/whom+其它”句型之中。
使用该句型有以下几点请注意：①强调句的谓语is或was永远用单数.It was yesterday that I met your father in the street．②不管被强调部分是哪种状语，只能用that连接，不得使用where、when等连词.It was in the street that I met your father yesterday．③被强调部分为人时，可用who(主格或宾格)和whom(宾格)代替that，用that也行。
1)It was your father that/whom /who I met in the street yesterday．2) It was I that/who met your father in the street yesterday．④强调句中也要注意主谓一致、人称一致和否定转移的问题。
1)It is they who are our friends．2) It was not until ten o'clock that we got home last night．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．我们昨晚到家时已十点了。
2) It was at ten o'clock that we got home last night．我们昨晚是在十点到家的。
第一句不是强调句，when不可改为that,因为去掉it was和that后，只能组成“We got home ten o'clock last night．”这样一个不完整的句子；第二句是强调句，that不可改为when．二、常用句型及考点I. 形式主语型1. It is clear (obvious，true，possible，certain…) that…2. It is important (necessary，right，strange，natural…)that…掌握本句型，应该记住所列举的形容词，并且记住that后的从句应用虚拟语气(should+动词原形)，should可以省去。
3. It is no good (use) doing sth．4. It is a pity (a shame …) that…本句型中，that后的从句一般用虚拟语气(should十动词原形)，should可以省去。
表示出乎意料，常译为“竟然”。
没有这种意义时，则不用虚拟语气。
5. It is time (about time，high time) that…本句型中that后的从句应该用虚拟语气。
6. It is the first (second…)time that…7. It is said (reported，learned…．)that…8. It is suggested (ordered…) that…本句型中的过去分词应该是表示请求、建议、命令等的词，that后的从句要用虚拟语气(should 十动词原形)，should可以省略。
常译为“据建议；有命令……”。
9. It happens (seems，appears) that…10. It takes sb…to do sth．11. It does n’t matter whether…12. It is kind (of sb) to do sth．本句型中的不定式如果需要逻辑主语，则须要前置介词of，而句型中的形容词必须是能表示逻辑主语特征的形容词，常见的有bad，brave，careless，clever，cruel，foolish，honest，horrible，kind，lazy，modest，naughty, polite，rude，silly, stupid，wise，wrong等。
13. It is necessary ( for sb) to do sth．14. It is (just) like sb to do sth．本句型为“某人(恰恰)是……样子”。
用来表示赞扬或不满，若用否定式，则表示怀疑。
例：It's like him to leave the work to others．他就是这样的一个人，把工作推给别人。
15. It is up to sb to do sth．本句型表示“谊由某人做……”。
II．强调句型It is+ 被强调部分+that/who…本句型中被强调部分可以是主语、宾语或状语。
强调的主语如果是人，that可以由who换用。
III．其他句型1. It is…since…本句型主句中用时间作表语，一般用现在时或完成时，since引导的从句常用瞬间动词的一般过去时态。
主句如用一般过去时，则从句用过去完成时。
2. It is…when…本句型中的when引导的是一个时间状语从句，主句中的it指时间，表语由具体的时间充当。
3. It looks (seems) as if．．．本句型中的as if引导一个状语从句，常译为“看起来好像……”。
如果与事实不相符合，则用虚拟语气．例1 It looks as if he is ill (真的病了) .例2 It looks as if he were ill (没有生病) .Exercises:一．单项选择1.It was at the gate ____ he told me the news.A. thatB. whatC. whichD. when2.Is ____necessary to tell his father everythingA. itB. thatC. whatD. he3.Was it in this palace ____ the last emperor died?A. thatB. in whichC. in whereD. which4.Is ____ possible to fly to the moon in a spaceship?A. nowB. manC. thatD. it5.Was it during the Second World War ____he died?A. thatB. whileC. in whichD. then6.Is ____necessary to complete the design before National Day?A. thisB. thatC. itD. he7.I don't think ____possible to master a foreign language without much memory work.A. thisB. thatC. itsD. it8.Does ____matter if he can't finish the job on time?A. thisB. thatC. heD. it9.It was not ____she took off her dark glasses ____ ,I realized she was a famous film star.A. when; thatB. until; thatC. until; whenD. when; then10.Tom‘s mother kept telling him that he should work harder, but ____didn’t help.A. heB. whichC. sheD. it11.____is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. It12. Is ________ possible to fly to the moon in a spaceship?A．now B．man C．that D．it13．Our food and service are better than ________ used to be.A．it B．we C．they D．them14．________ appears to me ________ the report must be truth.A．That; it B．It; that C．It; it D．That; that15．He feels ________ duty to help others.A．that he B．that his C．it he D．it his16．Take ________ easy. The roads are icy.A．it B．them C．us D．you17．The TV sets made in China are much better than ________ in Japan.A．that B．those C．them D．It18．—— Have you found the bike you lost yesterday?——Yes, I've found ________ already.A．it B．that C．the one D．that one19.——I'm looking for a flat.——Would you like ____ with ____ garden?A．it; the B．it; a C．one; a D．one; the20．________ was ________ who I met in the museum this morning.A．It; him B．It; he C．That; he D. That; him21．It was in the rice fields ________ we had our League meeting.A．where B．that C．in which D．on which22．________ you come to the party so late?A．Why is it B．Why it isC．Why it is that D．Why is it that23．—— Were all three people in the car injured in the accident—— No, ___ only the two passengers ___ got hurt．A．they were; that B．there was; thatC．it was; who D．there are; who24．I don' t think ________ possible to master a foreign language without much memory work . A．this B．that C．its D．it25．It was not ________ she took off her glasses ________ I realized she was a famous film star．A. when; thatB. until; thatC. until; whenD. when; then26.It was not until 1920 ____ regular radio broadcasts began.A．while B．which C．that D．since27．________ is a fact that English is being accepted as an international language.A．There B．This C．That D．It28．It was about 600 years ago ________ the first clock with a face and an hour hand was made. A．that B．until C．before D．when29．It was only when I reread his poems recently ____ I began to appreciate their beauty. A．until B．that C．then D．So30．I hate ______ when people talk with their mouths full.A．it B．that C．these D．them31．—— Why don't we take a little break? ——Didn't we just have ________ ?A．it B．that C．one D．this32.Was it during the Second World War ____ he died？(MET88)A．that B．While C．in which D．Then33.Is ____ possible to fly to the moon in a spaceship？(MET88)A．now B．that C．it D．Man34.I don't think ___ possible to master a foreign language without much momory work．(MET90) A．This B．that C．its D．It35.___ is a fact that English is being accepted as an international language．(NMET95) A．There B．This C．That D．It36.It was about 600 years ago ___ the first clock with face and an hour hand was made．(NMET97)A．that B．until C．before D．when37.____computers play such an important part in our daily life?A．Why it is that B．Why is it thatC．Why was it that D．Why is it38. Was it during the Second World War _____he died?A. thatB. whileC. in whichD.then39. Is ____ necessary to take off our shoes when we enter the lab?A. everyoneB.thisC.herD.it40. Is ____ possible to fly to the moon in a spaceship?A.nowB.thatC.itD.man41. I don’t think ___ possible to master a foreign language without much memory work.A.thisB.thatC.itsD.it42. She heard of a terrible noise, ___ brought her heart into her mouth.A.itB.whichC.thisD.that43. Alice received an invitation from her boss, ____ came as a surprise.A.itB.thatC.whichD.he44. Does ____ matter if he can’t finish the job on time?A.thisB.thatC.heD.it45.Tom’s mother kept telling him that he should work harder, but ____ didn’t help.A.heB.whichC.sheD.it46.The weather turned out to be very good, ___ was more than we could expect.A.whatB.whichC.thatD.it47.____is a fact that English is being accepted as an international language.A.ThereB.ThisC.ThatD.It48.I hope there are enough glasses for each guest to have _____.A.itB.thoseC.themD.one49.It was about 600 years ago___the first clock with a face and an hour hand was made.A.thatB.untilC.beforeD.when50.I hate ____ when people talk with their mouths full.A.itB.thatC.theseD.them51.It was only when I reread his poems recently____ I began to appreciate their beauty.A.untilB.thatC.thenD.so52.It is the ability to do the job ____ matters not where you come from or what you are.A.oneB.thatC.whatD.it53.It ____ you that ____ to blame.A.is;isB.is; areC.are;areD.are;is54.Was_____that I saw last night at the concert?A.it youB.not youC.youD.that you55.____ electricity plays such an important part in our life?A.Why is it thatB.Why is itC.Why it is thatD.Why is that56.It was ____ he said _____ disappointed me.A.what;whatB.that;thatC.what;thatD.that;what57.It was in the lab ___ was taken charge of by Professor Harris ___ they did the experiment.A.which; thatB.that; whatC.whom; thatD.which; where58.Many people now make a rule to buy cards for their friends before Christmas.A.themselvesB.itC.thatD.this59.Someone is at the door, who is ?A.thisB.thatC.itD.he60.—It is raining cats and dogs.—.A.So it isB.So is itC.Neither it isD.Neither is it二.分析it成分，辨清相似句型。