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高中英语中常用it固定句型结构1. It was/will be long(时间one week/two years ...)+before从句。
译为“很久(一周/两年后……)才……”。
如:It will be long before he is back .很久以后他才回来。
2. It is/has been/was + some time + since从句. 译为“自从……以来已经有多长时间了”。
如: It has been three days since he was ill.他生病已经有三天了。
注意: 如果since从句中的谓语动词为延续性动词时, 应译为“自从不……以来已经有多长时间了”。
如: It is / has been seven years since I taught in this school. 我离开这所学校已经有七年了。
时态的把握:如果主句运用的是一般现在时或现在完成时,那么since引导的从句用一般过去时;如果主句运用的是一般过去时,那么since引导的从句常用过去完成时。
3. It + be + the +序数词+ time + that从句. 译为“是某人第几次做某事了”。
如:It is the first time that I have .come here这是我第一次来这儿。
注意:如果主句是一般现在时或一般将来时,从句用现在完成时;如果主句是一般过去时,从句用过去完成时。
4. It +be +具体时间+ when ...译为“当某事发生时,时间是在……”。
如:It was 10:00 when they arrived at the factory. 他们到达工厂时是十点。
5.It is (high) time that sb．did sth．该句型表示“某人现在该做某事了”，从句常用过去时（虚拟语气）。
如：It is high time that you got up.6．It is ＋adj．(＋for sb．／sth．) ＋to do sth．常用的形容词有：easy，hard，difficult，possible， important，impossible，necessary，good，bad，exciting， interesting，surprising 等。
“It” 用法及其句型和固定搭配，是英语语法的重点、难点，又是近几年考试的热点，因此在复习中应给予足够的重视。
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.（2）It be adj. of sb. to do sth.（3）It替代作主语的动名词的常见句型：It’s no good/use doing…It’s (well)worth doing…It’s (well)worth one’s while doing/to do It’s (well)worth while doing/ to do2. It替代作主语的从句常见句型（1）It is + noun +从句（2）.It is adj. +clauseIt’s surprising that… (should)………竟然……It’s a pity/shame that…(should)………竟然…（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…（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)（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）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，而把真正作宾语的从句、动词不定式、动名词置于句尾。
高考英语It的用法It是高考英语中一个极其重要的词，其用法多样，在不同的语境中具有不同的意义。
下面我们将从it的用法、句型和固定搭配三个方面进行讲解。
一、it用作实词1、表示时间、天气、距离、温度等自然现象。
例如：It is Monday today.今天是星期一。
It is raining outside.外面正在下雨。
It is 5 kilometers away from here.距离这儿有5公里远。
2、表示观点、看法、态度等主观想法。
例如：I think it is a good idea.我认为这是一个好主意。
We think it is important to learn English well.我们认为学好英语很重要。
二、it用作形式主语当不定式、动名词或从句作主语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式主语，代替不定式、动名词或从句，而把真正的主语放在句尾。
例如：It is important to learn English well.学好英语很重要。
It took me an hour to finish the homework.我花了一个小时完成作业。
三、it用作形式宾语当不定式、动名词或从句作宾语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式宾语，代替不定式、动名词或从句，而把真正的宾语放在句尾。
例如：I think it is important to learn English well.我认为学好英语很重要。
He found it hard to learn English well.他发现学好英语很难。
四、it用于强调句型中强调句型是英语中一个重要的句型，用于突出强调某个成分，特别是主语、宾语和状语等。
在强调句型中，it没有实际意义，只是起到引导作用。
例如：It is I who am the best student in my class.我是班里最好的学生。
1.It is important/necessary that Sb. should do 应该It is amazing/strange that Sb. should do (should have done) 竟然It is a pity/shame/no wonder that ….2.It is said/reported/believed/expected that…It is suggested/demanded/requested/ordered that Sb. should do It seems/happens/turned out/occurs to Sb. that…It makes no difference to Sb./ doesn’t matter whether/what/how…3.It is (high/about) time that Sb. should do Sth.4.It is (was) the first/second…time that Sb. have (had) done Sth.5.It is six years since you began to learn English.It is+ 时间段since Sb. did Sth.6.It was long before Sb. did Sth.. 过了很久才……It wasn’t long before Sb. did Sth. 没过多久就……It will be long before Sb. do Sth. 要过很久才……It won’t be long before Sb. do Sth. 过不了多久就……7.It is up to you whether to go.It remains to be seen whether the plan is practical.When it comes to music,…8.It is difficult/easy for Sb. to do Sth.It is typical/nice/kind of Sb. to do Sth.I find/think/believe it difficult for Sb. to do Sth.9. It is no use/no good/ a waste of time doing Sth.I find it no use/no good/ a waste of time doing Sth.10. take it for granted that…11. I like it when it snows.I hate it when you don’t take notes.I feel it a great honor to give you a speech.12. I would (I’d) appreciate it if you reply soon.13. make it a rule that…/for Sb. to do Sth.。
It的固定用法及其易混句型‘it’在英语中频繁使用,也是高考常考词汇。
下面就其固定用法及易混句型做一个总结。
希望对高考学子们有所帮助。
1.make it(1)获得成功:he never really makes it as an actor. 他从来就不是一个成功的演员。
(2)准时到达the flight leaves in 20 minutes----we’ll never make it. 飞机20分钟后就起飞了,我们无论如何也赶不上了。
(3)能够出席,到场i’m sorry,i won’t be able to make it to a party on saturday. 抱歉,星期六我不能出席聚会。
(4)度过难关the doctors think he’s going to make it. 医生们认为他能挺过去。
2.get it/ catch it受罚,挨骂if your dad finds out you’ll really catch it 如果你老爸知道了,你非挨骂不可。
3.like it/ enjoy it/ hate it /dislike it /appreciate it 常跟在喜欢,憎恨感激等心理方面的动词后,习惯用法。
(1)i like it when you do that.我喜欢你那样做。
(2)i hate it when people cry.我厌烦别人哭。
(3)he hated it in france. 他对生活在法国感到厌倦(4)he disliked it when she behaved badly in front of his mother。
他讨厌她在他母亲面前举止失当。
(5)i would appreciate it if you could help me.如果你能帮我,我将不胜感激。
(6)thanks for a great evening. i really enjoyed it.感谢这美好的晚会,我真的玩得很开心。
It固定句型归纳It句型练1.It is important that we should take care of our health by XXX.2.It is suggested that students should study for at least two hours every day to achieve good grades.3.It is high time that we should start taking n to protect the XXX.4.It was the first time that I had gone bungee jumping。
and it was an XXX.5.It has been three years since I last XXX.6.It wasn't long before she realized that she had made a mistake.7.It was XXX.8.If it hadn't been for your help。
I wouldn't have been able to finish this project on time.If it had not been for their help。
we would have been XXXIt took me three hours to finish the project。
It is up to you to decide what you want to do next。
It's just like him to offer his assistance when we needed it。
It doesn't matter how we get there。
as long as we arrive on time。
中考英语语法：it的9种主要句式it句型是初中英语中使用频率较多的重点句型之一，为了便于同学们搞好中考复习，现将常见有关it的主要句式归纳如下：1.“Itistimefor……”表示“是……时候了”。
句中介词for后接名词或代词作宾语。
如：It’stimeforschool.是上学的时候了。
2.“It’stimetodosth.”表示“是做某事的时候了”。
此句常与上句替换使用。
如：Itistimeforustohavelunch.=Itistimeforourlunch.是我们吃午饭的时候了。
3.在“Itseems……”句中，seem是不及物动词，常作系动词用，有“好像、似乎”的意思，后面可跟动词不定式、形容词作表语，也可跟从句。
如：Itseemedthatnobodyknewanythingaboutthematter.看来没有人知道这件事。
4.“It’sone’sturntodosth.”表示“轮到某人做某事了”。
如：It’syourturntoplayping-pong.该轮到你打乒乓球了。
5.“Itis+形容词+todosth.”表示“做某事怎么样”。
其中it作形式主语，代替后面的不定式todosth.(真正主语)。
如：ItiseasytospeakEnglish.说英语很容易。
6.“Itis+形容词+forsb.+todosth.”意为“对某人来说做某事怎么样”。
这种结构中的形容词常常是easy，difficult，hard，important，necessary，quick等，这些形容词常与事物的特征有关。
如：Itisquitedifficultforustofindoutwhobrokethewindows.对我们来说，查明是谁打破了窗户是相当难的。
7.“Itis+形容词+ofsb.+todosth.”表示“某人做某事怎样”。
这种结构中的形容词常常是：good，kind，nice，wrong，clever等，这些形容词常与人的性格特点有关。
It 构成的20句常用句型归纳【句型1】It is + 被强调部分+ that ...该句型是强调句型。
将被强调的部分放在前面，其它部分置于that之后。
被强调部分可以是主语，宾语，表语或状语。
强调的主语如果是人，that可以由who换用。
如果把这种句型结构划掉后，应该是一个完整无缺的句子。
这也是判断强调句型与其它从句的方法。
【例】It was about 600 years ago that the first clock with a face and an hour hand was made.【例】It was they that (who ) cleaned the classroom yesterday.【例】It was in the street that I met her father.【句型2】It is not until + 被强调部分+ that ...该句型也是强调句型。
主要用于强凋时间状语，译成汉语＂直到．．．才．．．＂，可以说是not ... until ... 的强调形式。
【例】It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn't realize she was a famous film star until she took off her dark glasses.【句型3】It is clear ( obvious, true, possible, certain....) that .....该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为＂清楚（显然，真的，肯定．．．）＂是主语从句最常见的一种结构。
it五种用法归纳好嘞，以下是为您创作的关于“it 五种用法归纳”的文案：咱们在学习英语的过程中，it 这个小小的单词可有着大大的作用呢！今天咱们就来好好归纳一下 it 的五种常见用法。
先来说说 it 用作人称代词的时候。
比如说，“It is a dog”在这儿，it就用来指代一只狗。
想象一下，你走在路上，突然看到一只毛茸茸的小狗在路边玩耍，你指着它跟朋友说：“Look! It is so cute!” 这里的 it 就是明确地指代了那只让你觉得可爱的小狗。
it 还能用来表示天气、时间、距离等。
比如说“It's sunny today” （今天阳光明媚。
）当你早上推开窗户，感受到那温暖的阳光洒在脸上，你就会自然而然地说出这句话。
又比如“It's five o'clock”（现在五点钟了。
）你看着墙上的时钟，指针指向了五，你就清楚地知道该做什么事情啦。
再比如“It's ten kilometers from my home to school” （从我家到学校有十公里。
）想象一下，你每天上学都要走这么长的距离，是不是就能深刻体会到这种用法啦。
it 作非人称代词也很常见哦。
像“It's difficult to learn English well”（学好英语很难。
）当你为了背单词、学语法而感到头疼的时候，是不是就会有这样的感慨呢。
还有呀，it 可以用来构成强调句型“It is/was ＋被强调部分＋that/who ＋其他部分”。
比如说“It was Tom who broke the window” （是汤姆打破了窗户。
）就好像你在教室里，突然听到玻璃破碎的声音，大家都在猜测是谁干的，最后发现是汤姆，这时候强调句型就能很好地表达出来啦。
最后，it 还能用于某些固定句型中，比如“make it”（成功；做到）。
当你一直努力准备考试，最后终于取得了好成绩，你就可以骄傲地说：“I made it!” （我做到了！）总之，it 的用法多种多样，咱们在学习的过程中要多留意、多练习，这样才能熟练掌握。
It的句型归纳一、it 作形式主语的句型（is都可以换成was或其他变形）It is + adj. + that…1.It is obvious that……. 是显而易见的2.It is true that………是真实的3.It is natural that……..是自然的4.It is surprising that……..是令人惊讶的5.It is good that…….是好的6.It is wonderful that………是很棒的7.It is funny that……. 是有趣的8.It is certain that………..是肯定的9.It is probable that………可能的10.It is likely that………可能的11.It is possible that………可能的It is +名词+that…12.It is no wonder that.. 难怪…..13.It is an honor that…很荣幸….14.It is a good thing that…….是好事15.It is a pity that…很遗憾…..16.It is no surprise that…….不令人惊奇It is + 过去分词+ that….17.It is said that.. 据说…..18.It is reported that…据报道….19.It is thought that …普遍认为….20.It is expected that…期盼…..21.It is decided that.. 决定….22.It is announced that.. 宣布….23.It is arranged that…安排….It +动词或动词短语+ that…（所有加s都可以换成其他时态。
）24.It seems that…看起来…..25.It happens that…碰巧….26.It matters that…….关键；….起作用27.It appears that…看起来似乎….28.It turns out that…后来证明…；事实证明….29.It proves that…后来证明…；事实证明….30.It occurs that…碰巧….31.It seems as if…看起来似乎….32.It looks as if…看起来似乎….33.It looks as though…看起来好像….34.It occurs to sb. that…. 某人突然想起…..35.It es to sb. that…某人突然想出….36.It strikes sb. that.. 某人突然想出….37.It hits sb. that…某人突然想出….38.It is well known that…. 众所周知….39.It is well acknowledged that…众所周知….其他句型40.It is no use doing …做…没用41.It is useless doing sth…做…没用42.It is no good doing sth…做…没用43.It takes sb. some time to do sth…. 花费某人多少时间做…..44.It is high time that…是做…. 的时候45.It is the first time that…第一次做……46.It was the second time that…第二次做…..47.I t is +时间段+ since + 从句（一般过去时）自从….以来有多久48.It has been + 时间段+ since +从句（一般过去时）自从….以来有多久49.It + be + 时间段+ before+从句（时态遵守主将从现或前后一致）（肯定）过了多久才….（否定）没过多久就…50.It be + 被强调部分+that……51.It is + adj. + for sb. + to do sth…对某人来说做….怎么样52.It is + adj. + of sb. + to do sth…对某人来说做….怎么样二、it 作形式宾语的句型1.take it that…. 认为….；想…2.hate it when…. 讨厌….3.like it when…喜欢….4.can’t help it if…如果…,我也没办法5.appreciate it if…如果…将感激不尽6.I don’t mind it if…如果…我不介意7.see to it that…确保…;务必….8.count on it that…相信…..9.As someone puts it, ….. 像某人说的那样10.If you don’t feel like it, …. 如果不喜欢,就….11.When it es to….., ….. 当谈到…..12.主语+think/believe/ suppose/consider/feel/ make/keep/…. + it + useless/ nogood / no use….+ doing sth. 某人认为……没用13.主语+ think/believe/ suppose/consider/feel/ make/keep/…. + it + adj./ n. +for/of sb. + to do sth. 某人认为……怎样。
It 句型归纳与练习1. It is important/necessary that sb. should doIt is amazing/strange that sb. should do (should have done)It is a pity/shame/no wonder that2. It is said/reported/believed/expected that=sb/sth be said/reported…to do sth It is suggested/demanded/requested/ordered that Sb. should doIt seems/happens/turned out/occurs to Sb. that3. It is (high/about) time that Sb. should do sth.It is time for sb to do sth.4. It is (was) the first/second time that Sb. have (had) done Sth.5. It is six years since you began to learn English.It is+ 时间段since sb. did sth.6. It was long before sb. did sth.. 过了很久才……It wasn’t long before sb. did sth. 没过多久就……It will be long before sb. do sth. 要过很久才……It won’t be long before sb. do sth. 过不了多久就……7.It + be + 时间点+ when从句It was already 8 o…clock when we got home.It was the next morning when we finished our work.8. If it were not for… / If it hadn’t been for… 要不是因为……If it were not for his presence, I would punish you.要不是他在场，我会处罚你的。
If it had not been for their help, we couldn’t have got over the difficulties.9. It takes sb + 时间段+ to do sth. 某人做某事花了……时间10. It is up to sb to do sth. 该由某人做某事It’s up to you to to make the choice. 得由你来作选择。
11. 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.12. It makes n o difference to Sb./ doesn’t matter whether/what/howIt makes no difference who is right or wrong.谁对谁错没有区别13.It remains to be seen whether the plan is practical.这个计划是否是可行的还有待观察。
It remains to be seen who will be the victor in the contest.谁将在这场比赛中获胜还得等着瞧14.When it comes to…When it comes to cooking I know nothing.说到做饭，我是一窍不通。
15. It is difficult/easy for Sb. to do Sth.It is typical/nice/kind of Sb. to do Sth.I find/think/believe it difficult for Sb. to do Sth.I feel it a great honor to give you a speech.16. It is no use/no good/ a waste of time/worth/worthwhile doing Sth.I find it no use/no good/ a waste of time doing Sth.17. owe it to sb. that…把归功于…I owe it to you that I am still alive.18. leave it to sb that…把留给某人去做例Don't bother to arrange anything. Just leave it to me to sort out.19. take it for granted that …想当然We took it for granted that you knew the whole matter.我们认为你当然是完全知道那件事情的。
20. see to it that 务必做到保证，留意We will see to it that you have strawberry icecream.我们确保你有草莓冰淇淋。
21. keep it in mind that…把…铭记在心Keep it in mind that you have to be home by ten o'clock.要记住你得十点钟之前回家。
22. I like it when it snows.It用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词后，enjoy, like, love, dislike, resent, hate, don't mind, be fond of, feel like, see to 宾语从句紧跟it之后I hate it when you don’t take notes.23. I would (I’d) appreciate it if you reply soon.24. make it a rule that…/for Sb. to do Sth. 把…定为常规Children should make it a rule to wash hands before meals孩子们应当有一个规矩，就是用餐前要洗手25. It is/was+被强调部分+that(who)…⑴请注意强调句型的特殊疑问句⑵在强调原因状语从句时，只能强调由because所引导的从句例⑶在强调not … until结构时必须把not与until一起放到被强调的位置上⑷注意强调句型与定语从句的区别例It was at 7 o'clock that he came here yesterday.( 强调句型)It was 7 o'clock when he came here yesterday.(定语从句)﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍根据汉语提示完成下列句子。
1. ______________________ two passers-by were injured in the accident last night. (report)据报道，两位行人在昨晚的事故中受伤。
2. It is what you do rather than what you say ________________.(matter)是你所做的不是你所说的重要。
3.___________________they could pass the final examination that they made use of every minute to study. (so) 是为了能通过期末考试他们才争分夺秒地学习。
4. I just wonder _______________________ that makes you so excited. (what)我就是想知道究竟是什么让你如此激动。
5.________________________ her dark glasses that I realized she was the famous film star. (take) 直到她摘下墨镜我才意识到她是那位著名的影星。
6. (1)It was almost midnight ___________________________in the neighborhood.(break)当附近发生火灾时几乎是午夜了。
(2) It was four o’clock in the afternoon ________________________the museum. (reach)我们到达博物馆时是下午四点。
(3)It was at almost midnight _______________. (break) 几乎正是在午夜时发生了火灾。
7.___________________________that has eaten my share of sweets? (it) 是谁吃了我的糖？8.___________________________the book might be more interesting if we added some pictures into it. (occur) 我突然想到：如果我加一些图片进去，这本书会更有趣的。
9. I think ___________________________ to build a chemical plant in our community. (tear)我认为拆除我们社区的公园建化工厂不好。
10.___________________________he didn’t do it carefully enough. (obvious)很显然他做得不够仔细。
11.___________________________ to say that he had a degree from Oxford. (dishonest)他说他有牛津大学的学位，这是不诚实的。
12. So difficult _______________________to take part in the English corner that I gave it up.(it)我发现参加英语角是如此的难以至于我放弃了。
