it的用法和练习(带答案)
(完整版)it做形式主语用法大全含练习及问题详解
It作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：1. It + be + 形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not.2. It + be + 名词词组+ 主语从句，这类名词有：a fact, a pity, a shame, an honour，a question 等，如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3. It + be + 过去分词+ 主语从句，这类过去分词有：announced, believed, expected, hoped, decided, reported, said, shown等，如：It is reported that 16 people were killed in the earthquake.It is not decided who will give the operation to the patient.4. It + 不及物动词(seem, appear, happen等) + 主语从句, 这类不及物动词有：appear, happen, seem等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called.5. It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult, hard, important, possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want.这类形容词有：easy, difficult, hard, important, possible，wise6. It + be + 形容词+ of sb. + 动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。
it的用法和练习(带答案)
重点代词it的用法和练习（含答案）（1)it用做人称代词的用法it用作代词，意为“它”，既可以指人,也可以指物。
it做人称代词，可以用来代替一个名词、短语、从句或句子，以避免他们在句中的重复。
这是可以指提到过的，也可以指未提到的，在句中做主语、表语和宾语。
1）指事物，it可以知道除人以外的任何事物或动物。
I dropped my watch and it broke。
我把手表掉在地上摔坏了。
2）指人,it主用用于指性别不明的婴儿或只听其声不见其人的人，如：Is it a boy or a girl？是男孩还是女孩?There is a knock on the door。
It must be the postman.“Listen。
Someone is crying。
.”“Oh, it must be Mary。
"3）代替某些代词。
代词it可以用于代替指示代词this, that以及复合不定代词something，anything，nothing等，如：“What’s this?”“It's a new machine"（2）it用作非人称代词的用法1)it用作非人称代词主要用来指时间、距离、价值、天气、气温及温度等自然现象。
如It’s too late to go there now.现在去那已经太迟了。
It rained all day yesterday。
昨天下了一整天雨。
2）用于某些句型.It’s time for sth. 该做某事了。
It’s to do sth. 是时候该做某事了。
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，有时候用should+动词原形）It's first（second）time +that--从句.某人第几次干某事。
初中英语-词法-it的特殊用法 考试练习题
初中英语-词法-it 的特殊用法 考试练习题姓名:_____________ 年级:____________ 学号:______________1、浪费这么好吃的食物真是可惜。
(waste, such)_______________________知识点：it 的特殊用法 【答案】It ’s a pity to waste such delicious food.【详解】固定句式：it ’s a pity to do sth“ 做某事很可惜 ” ； waste“ 浪费 ” ； such“ 这么 ” ，修饰名词 food“ 食物 ” ； delicious“ 美味的 ” ，故填 It ’s a pity to waste such delicious food.2、It ____ ____ for me. ( 这对我来说很容易 )知识点：it 的特殊用法 【答案】is easy【详解】固定句式：It is+ 形容词 +for sb to do sth ：对某人来说做某事是 …… ， easy ：容易的，故填 is ； easy 。
3、It ’s important ____________us ___English well.A ． of, to learnB ． for, to learnC ． to, to learnD ． with, learning知识点：it 的特殊用法 【答案】B【详解】句意：对于我们去学好英语是重要的事情。
考查固定句型：It is + 形容词 for/of sb.+to do sth.for sb. 常用于表示事物的特征特点，表示客观形式的形容词，如easy, hard, difficult, interesting, importang, 分析： important 是重要的，因此用介词 for. 故选 B4、playing the piano, takes, Wendy, to practice, an hour, it ( 连词成句 )______________________________.知识点：it 的特殊用法 【答案】It takes Wendy an hour to practice playing the piano【详解】根据标点可知，句子是陈述句，分析所给词汇可知，此处是It takes sb+ 时间 +to do sth 的结构，用不定式作主语， it 作形式主语；所以 to practice playing the piano 作主语； it 作形式主语；故填 It takes Wendy an hour to practice playing the piano“ 温迪花了一个小时练习弹钢琴 ” 。
专四练习(It用法)
例题整理1. 历年真题1）It was recommended that passengers ___ smoke during the flight. (1994年第58题)A. notB. need notC. could notD. would not【译文】建议旅客在乘坐飞机时不要吸烟。
【答案】A【解析】It is +表示主观意愿的动词+ that + sb. (should) (not) do句型中，that从句中的谓语动词要用虚拟语气,其他选项的情态动词都不可取。
2）It was as a physician that he represented himself, and _____ he was warmly received. （1997年第49题）A. as suchB. such asC. as thatD. so that【译文】他以内科医生的身份出现，受到热情接待。
【答案】A.【解析】本题it的用法It is + noun.+ that句型，A项as such （照此，以此身份），B项such as (例如)，C项as that 无此说法，D项so that (为了)。
3）“What courses are you going to do next semester?”“I don’t know. But it’s about time ___on something.” (2002年第51题)A. I’ d decideB. I decidedC. I decideD. I’ m deciding【译文】下学期你想修什么课程？---我不知道，我该作出决定了。
【答案】B【解析】It’s (about) time (that) … 是虚拟语气句式，其谓语动词要用一般过去式，因此B项是正确答案。
4）It is imperative that students ____ their term papers on time. （2004，46）A. hand inB. would hand inC. have to hand inD. handed in【译文】学生有必要马上交期末论文。
(完整版)It用法练习题及答案
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。
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：① It 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.② It is strange ( surprising,obvious ,true, good,possible,clear,etc. ) that… 。
高中英语It的用法专项练习题(含答案)
高中英语It的用法专项练习题（含答案）1. Was it during the Second World War_____ he died?A.thatB.whileC.in whichD.then2. Is ____ necessary to complete the design before National Day?A.thisB.thatC.itD.he3. I don't think ____ possible to master a foreign language without much memory work.A.thisB.thatC.itsD.it4. Does ______ matter if he can't finish the job on time?A.thisB.thatC.heD.it5. It was not _____ she took off her glasses _____ I realized she was a famous film star.A.when, thatB.until, thatC.until, thatD.when, then6. I was disappointed with the film. I had expected ______ to be much better.A.thatB.thisC.oneD.it7. It was not until 1920 ______ regular radio broadcasts began.A.whileB.whichC.thatD.since8. ______is a fact that English is being accepted as an international language.A.ThereB.ThisC.ThatD.It9. It was only when I reread this poems recently _____ I began to appreciate their beauty.A.untilB.thatC.thenD.so10. I hate_____when people talk with their mouths full.A.itB.thatC.theseD.them11. It is the ability to do the job _____ matters not where you come from or what you are.A.oneB.thatC.whatD.it12. I like ___ in the autumn when the weather is clear and bright.A. thisB. thatC. itD. one13. ―Do you like ___ here?―Oh, yes. The air, the weather, the way of life. Everything is so nice.A. thisB. TheseC. ThatD. it14. We needed a new cupboard for the kitchen. So Peter made ___ from some wood.A. itB. OneC. HimselfD. another15. The foreign Minister said, " _____ our hope that the two sides will work towards peace."A. This isB. There isC. That isD. It is16. _____ is reported in the newspaper, talks between the two countries are making progress.A. ItB. AsC. ThatD. What17. ― How often do you eat out?― ________, but usually once a week.A. Have no ideaB. It dependsC. As usualD. Generally speaking18. We wanted to get home before dark, but it didn't quite _____ as planed.A. make outB. turn outC. go onD. come up19. ― What do you want to do next? We have half an hour until the basketball game.―________. Whatever you want to do is fine with me.A. It just dependsB. It's up to youC. All rightD. Glad to hear that20. 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 goKeys:1-5 ACDDB 6-10 DCDBA 11-15 ACDBD 16-20 BBBBC。
“It”用法及其句型和固定搭配讲解(含课后巩固练习题))
“It”用法及其句型和固定搭配讲解现将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；替代前文中的内容；指代一位性别不明的小孩或未知的人；指代未指明但谈话双方都知道的那件事；指代时间、天气、气候、距离等自然现象……二、It用作形式主语替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。
It作形式主语的常见句型：1.代作主语的动词不定式，其句型为(1)It be adj. (for sb.) to do sth.此处adj.通常为描述事件的形容词：easy, difficult, hard, necessary, unnecessary,possible, impossible, likely, unlikely, right, wrong, important, unimportant, legal, illegal, well-mannered, ill-mannered, polite, impolite, clear, obvious, certain, suitable, proper, fit, useful, useless, dangerous...例It is illegal (for a teenager) to drive a car without a license.(2)It be adj. of sb. to do sth.此处adj.通常为描述人的形容词：kind, unkind, nice, rude, cruel, considerate,thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever, wise, crazy.例Ifs kind of you to help me with the problem.(3)It替代作主语的动名词的常见句It's no good/use doing...It's (well)worth doing/..It's (well)worth one's while doinIt's (well)worth while doing/ to do例It's no use crying over spilt milk.2.It替代作主语的从句(1)It is + noun+从句例子：It is no secret that the president will continue pushing the new policy.(2)It is adj +clauseIt's surprising that…(should竟然)It's a pity/shame that••(should竟然)例It's important that you should apologize to her for your rudeness.(=It's of muchimportance that you should apologize to her for your rudeness.)(3)It verb sb. + clause= It is v-ing + clauseIt+surprise/ delight/interest/disappoint/ worry/disturb/annoy/amaze /bother/concern/frighten/please/anger sb. that...例It worried me that she drove so fast.(= It was worrying that she drove so fast.)(4)It verb (to sb.) that...=sb/sth verb to do(verb = appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out, work out)例It (so) happened/chanced that they were out.(= They happened/chanced to be out)(5)It is v-ed that.. .=sb/sth is to do(verb=say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know)例It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced.)(6)It is v-ed that... (should)...(verb=demand, request, require, order, suggest, advise, recommend 例It is suggested that they should begin with the third question.三、It作主语的句型1.It takes sb. ••• to do…(=sb takes・・・to do…)某人用多长时间做某事例It took the men a week to mend our roof.(= The men took a week to mend our roof.)2.It's (just)(un)like sb. to do••-(不)像某人做某事的风格例It was (just) like him to think of helping us.3.It's (about/high) time that・• • should /v-ed• • •是该做某事的时候了例：It's (about/high) time that we should take action.4.It's the x-th time (that)…have v-ed, 第几次做某事了例句：It's the third time that he has failed the driving test.5.It is/has been…since ... continuous v-ed(延续性动词) 某动作已有多长时间不发生了例It's 10 years that he lived here.6.It was(not)... before…过(不)了多长时间某动作发生了例It was not long before they arrived.四、it作形式宾语用来替代作宾语的从句、动词不定式、动名词，动词不定式、动名词置于句尾。
英语中it的用法 系统练习(答案详解)
英语中it的用法系统练习（答案详解）一、it作代词(1)在答语中替代this或that。
如：---What's this？---It's a frog.(2)指已提到过的物体。
如：I've lost it on my way home.(3)指情形、行为等。
如：Jack is ill. Have you heard about it?(4)指人（不明的人或婴儿）。
如：Who is it?(5)指天气、温度、时间、距离等。
如：It is raining. It's very hot. It's five o'clock.二、引导词it(1)作形式主语。
如：1) It is difficult to understand the passage.2) It is no use trying.3) It is said that the meeting will be put off.4) It+take+(sb.) some time / some money+to do sth.例如:It will take them more than ten years to complete the Three Gorges Dam.5 )It+be+said / reported / told等+that-clause. 例如:It is said that he will leave for Beijing tomorrow.6) It+vt.+sb.+that-clause.例如:It worried her a bit that her hair was turning grey.[原题再现]①________is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. It②In fact________ is a hard job for the police to keep order in an important football match.A. thisB. thatC. thereD. it答案: ①D ②D（2）作形式宾语。
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重点代词it的用法和练习（含答案）(1)it用做人称代词的用法it用作代词，意为“它”，既可以指人，也可以指物。
it做人称代词，可以用来代替一个名词、短语、从句或句子，以避免他们在句中的重复。
这是可以指提到过的，也可以指未提到的，在句中做主语、表语和宾语。
1)指事物，it可以知道除人以外的任何事物或动物。
I dropped my watch and it broke.我把手表掉在地上摔坏了。
2)指人，it主用用于指性别不明的婴儿或只听其声不见其人的人，如：Is it a boy or a girl?是男孩还是女孩？There is a knock on the door. It must be the postman.“Listen. Someone is crying..”“Oh, it must be Mary.”3）代替某些代词。
代词it可以用于代替指示代词this, that以及复合不定代词something, anything, nothing等，如：“What’s this?”“It’s a new machine”(2)it用作非人称代词的用法1)it用作非人称代词主要用来指时间、距离、价值、天气、气温及温度等自然现象。
如It’s too late to go there now.现在去那已经太迟了。
It rained all day yesterday.昨天下了一整天雨。
2)用于某些句型。
It’s time for sth. 该做某事了。
It’s to do sth. 是时候该做某事了。
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，有时候用should+动词原形）It’s first(second)time +that--从句。
某人第几次干某事。
（从句谓语动词用现在完成时）It’s +时间段+since从句。
自从…以来有一段时间了。
It’s +时间段+before 从句。
过多长时间才…(3)it用作形式主语的用法。
1)当不定式、动名词、从句等复杂成分做句子主语时，为保持句子的平衡，通常把真正的主语放在句末，而句首使用形式主语it。
如It’s very important to remember this.It’s hard work climbing mountains.It’s unknown when he will come.2)it用作形式主语的重要句型。
①It+be+adj.+for(of)sb to do sth. 某人做某事…It is hard for him to make up his mind.他很难下定决心。
It was foolish of her to say such a thing.她说那样的话，太愚蠢了。
提示：此句型中的介词of和for的区别是：of用于指某人的性格，属性，特征等。
介词for表示对象，意为“对…来说”。
②It takes/took sb+时间段+to do sth.某人做某事花了…时间。
It took me two hours to finish my homework.③It is up to sb to do sth.该由某人做某事了。
It’s up to you to make the choice.该由你来做选择了。
④It looks(seems,appears,happens,occurs) that (as if) …似乎…It seems as though he didn’t recognize me.(4)it用作形式宾语的用法。
1)当不定式、动名词、从句等复杂成分用作宾语且后面跟有宾语补足语时，通常会在宾语补足语前使用it作形式宾语，而将真正的宾语移至句末。
其基本结构为“动词+it+宾语补足语+不定式（动名词或从句）”I find it difficult to do the job well.I think it best that you should stay here.We think it no use complaining.2)用作形式宾语的几个特殊结构：①动词+it+that-从句I think it (that) he will come on time.②动词+it+when(if)-从句We rally appreciate it when she offered to help.③动词+prep.+it+that-从句I can’t answer for it that he will come.我不能保证他会来。
④动词+it+介词短语+that-从句I took it for granted that he would help us.(5)it在强调句中的用法。
强调句的基本结构是：It+be+被强调部分+that(who)+其他部分。
It was a computer that he bought last week.练习部分1. I like in the autumn when the weather is clear and bright. A. this B. thatC. itD. one[解析] C.句中like为及物动词,后面需要跟宾语.而like之后不可直接接从句作宾语.it可用于某些动词(hate, appreciate…)和介词之后作笼统宾语.2. He was nearly drowned once.When was ?was in 1998 when he was in middle school.A. that; ItB. this; ThisC. this; ItD. that; This[解析]A. 第一空用that指代上文提到的事情; 第二空用it指代第一空的that3. The Parkers bought a new house but will need a lot of work before they can move in.A. theyB. itC. oneD. which[解析] B此处it指代前面出现的a new house. it指代上文提到的同一事物,为特指;而one通常指代同类事物中的某一个.4. Someone is ringing the doorbell. Go and see .A. who is heB. who he isC. who is itD. who it is[解析] D此处it用作人称代词,指不明身份,性别的人;宾语从句应用陈述语序.5. In fact is a hard job for the police to keep order in an important football match.A. thisB. thatC. thereD. It[解析] D此处it用作形式主语.6. Mike’s mother kept telling him that he should work hard, but didn’t help.A. heB. itC. sheD. which[解析] B此处it用以指代前面的句子,可用that替换.7. Since you have repaired my computer, is no need for me to buy a new one.A. itB. thereC. thisD. that[解析] B考查固定句型There is no need for sb to do sth8. The official made clear that he would do everything possible to solve the problem.A. itB. thisC. thatD. him[解析] A此处it用作形式宾语.9. Do you like here?Oh, yes, the air, the weather and the way of life. Everything is so nice.A. thisB. thereC. thatD. it[解析] D此处it泛指自然环境.10. Bill’s aim is to inform the viewers that cigarette advertising in TV is illegal, ?A. isn’t itB. is itC. isn’t heD. is he[解析]A主语为“Bill’s aim”.11. is mentioned above, the number of the students in senior high school is increasing.A. whichB. AsC. ThatD. It[解析] B非限制性定语从句中, as /which均可指代整句话的内容,但which只能放在主句后,译为“这一点”; as则位置灵活,译为“正如”.12. It was with great joy he received the news that his lost daughter had been found.A. becauseB. whichC. sinceD. that[解析] D考查强调句型.13. 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 go[解析] C考查not unt il结构强调句型.14. Why! I have nothing to confess. You want me to say?A. What is it thatB. What it is thatC. How is it thatD. How it is that[解析] A考查强调句型的特殊疑问句句式.15. It is the ability to do the job matters not where you come from or what you are.A. oneB. thatC. whatD. it[解析] B考查强调句型.被强调部分是not where you come from or what you are (but ) the abi lity to do the job.为了平衡结构,部分移至句尾1. （据报道）a lot of people lost their jobs in the city last month.(report)2. （据报道）, a lot of people lost their jobs in the city last month.(repor t)3. （毫无疑问）he will be admitted to the key university.(doubt)4. He has made some great movies. （这一点是毫无疑问的）.(doubt)5. （没必要）for you to get up early tomorrow.(need)6. （碰巧）I had been away when he called.(happen)7. （看来）nobody knows what has happened.(seem)8. （看起来似乎）it's going to rain.(look)9. （很可能）the thieves don’t know how much it is worth.(likely)10. （我也许可以）to leave a message for her.(possible)1. It’s repo rted that2. As is reported3. There is no doubt that4. There is no doubt abo ut it5. There is no need6. It happened that7. It seems that8. It looks as if9. It’s likely that 10.It’s possible for me11. It’s no use （为打翻的牛奶而哭泣）.(cry)12. （抱怨是毫无用处的）, they never listen.(use)13. （难怪）you’ve achieved so much success.(wonder)14. (很明确）most of the farmers have brought in more money by all me ans.(certain)15. （据说）the professor has already succeeded in carrying out this experi ment.(say)16. The professor is said 已成功）in carrying out this experiment.(succeed)（比较句型15）17. （感到遗憾）I haven’t been to the get-together.(pity)18 （使之成为一种惯例）that I get up at six every day in the morning.(rule)19. I （认为有必要）to take plenty of hot water every day.(think)20. It’s high time that we （采取措施）to stop pollution.(take)11. crying over spi lt milk 12. It’s/There is no use complaining 13. It’s no wonder that14. It’s certain that 15. It’s said that 16. to have succeeded 17. I feel it a pity tha t18. I have made it a rule 19. think it (is) necessary 20. took/should take measu res21. （要花费她很长时间）to recover from the illness.(take)22. This/It is the third time that I （看那部电影）.（see）23. It was the first time that she （到长城）.（be）24. It is / has been two years （自从他出国）.（go）25. （对你没什么差别）whether I like it or not，because you never listen t o me.（make）26. （用不了多久）before we know the result of the experiment.（be）27. Measures have been taken to solve the problem，but （可能要过段时间）b efore the situation improves.（some）28. （没关系）the weather was bad.（matter）29. （是否要紧）whether we go together or separately?（matter）30. （我突然想起）that he might have forgotten our date.（occur）21. It will take her a long time 22. have seen the film 23. had been to the Great wall24. since he went abroad 25. It makes no difference to you 26. It won’t be long27. it may be some time 28. It didn’t matter that 29. Does it matter30. It occurred to me31. （可能性不大）he will change his mind.（chance）32. （很可能）we will go to Beijing.（chance）33. （似乎有）hundreds of people in the field；it was quite full.（seem）34. 曾经有）a church at the corner of the street.（be）35. She （阐明清楚）she had nothing to do with the decision.（make）36. I （确定）everything is ready.（see）37. What a pity my new computer doesn’t work.（一定有什么问题）with it.（wrong）38. （结果）she was a friend of my sister.（turn）39. Come and see me when （你方便的时候）.（convenient）40. （没多大意义）complaining . It doesn’t make difference.（point）31.There is little chance that32. There is a good/high chance that/There are chances that/Chances are that 33. There seemed to be 34. There used to be35. made it clear that 36. will see (to it) that37. There must be something wrong 38. It turned out that39. i t’s convenient to/for you 40. There is not much point (in)。