高二英语It句型大扫描
高二英语语法总结：“It”用法及其句型和固定搭配
高二英语语法总结：“It”用法及其句型和固定搭配"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It's kind of you to help me with the problem.(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 do例It's no use crying over spilt milk.2. It替代作主语的从句常见句型(1) It is + noun +从句例It is no secret that the president wants to have a second term at office.(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 much importance 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 here6. 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，而把真正作宾语的从句、动词不定式、动名词置于句尾。
高中英语it的用法的归纳总结
高中英语it的用法的归纳总结以下是关于 it 的用法的一些归纳总结:1. 当 it 作为形式主语时，常用动词不定式或名词形式充当主语，其后面通常会加上 for 或 to 引导的短语。
例如：- It"s important to study hard.(努力学习很重要。
)- It"s a beautiful day.(今天天气很好。
)- It"s difficult to imagine a better place to live.(无法想象一个更适合居住的地方。
)2. 当 it 作为形式宾语时，通常用不定式或名词形式充当宾语，并在其后加上 for 或 to 引导的短语。
例如：- I appreciate your help.(感谢你的帮助。
)- It"s a great opportunity for me to learn new skills.(这是一个我学习新技能的好机会。
)- It"s necessary to clean the room.(打扫房间有必要。
)3. 当 it 作为实义主语时，表示某一具体事物或人物。
例如： - It"s a beautiful day, isn"t it?(今天天气很好，是吗？) - It"s yours, isn"t it?(这是你的吗？)4. 当 it 作为强调句的结构时，通常位于句首，其后是句子的主要成分。
例如：- I don"t know who it was that called me yesterday.(我不知道昨天是谁给我打电话。
)- It was yesterday that I visited my grandmother.(昨天我去看望了我奶奶。
)5. 当 it 作为单数名词时，通常指某一类人或物中的一个。
例如：- It"s a police car.(这是一辆警车。
IT 句型大扫描
例2: It seems that he will be back in a few days.
例3: It suddenly occurred to me that Mr. Zhang might have been there already.
14. It takes sb. ... to do sth. 该句型中的不定式是真正的主语，it是形式主语， 句型中的直接宾语是时间。常译为＂做．．．要花 费某人．．．＂。 例1:It took thousands of people many years to build the Great Wall. 例2: Usually it takes me about two hours to finish my homework every day.
9. It is the first ( second ... ) time that …
从句中需用完成时态(注意前后时态搭配)
例１：It is the first time (that) I have been here. 例２：It was the fourth time (that) I had been to New York.
例１：It is ( has been ) 5 years since his father died. （非延续性动词） 例２：It was at least ten years since I had had a good drink. （非延续性动词） 例３：It is two years since he smoked. (延续性 动词） live, study, work
7. It is a pity ( a shame ... ) that …
高中英语It特殊句型
It句型总汇一、it 作形式主语1. It is +形容词+thatIt is clear ( obvious, true, possible, certain…) that …It is very clear that he's round and tall like a tree.2. It is important ( necessary, essential, strange, natural...) that ...that 后的从句中要用虚拟语气（should + 动词原形）It is important that we (should) learn English well.3. It is suggested ( ordered, required ... ) that sb (should) doIt is suggested that the meeting ( should ) be put off.4. It is said (reported, estimated, known, thought…) that …“ 据说（据报道，据估计……）”。
It is said that he has come to Beijing. （=He is said to have come to Beijing）5. It is a pity ( a shame ... ) that ...从句中用should do．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。
It is a pity that such a thing ( should ) happen in your class.6. It is (high/about) time that ... 从句中用should do/didIt is time that children should go to bed.It is time for sb to do sthIt is time for you to go to bed.7. It happens (seems, looks, appears ) that...It (so) happened that he met his teacher in the street. 碰巧……It seems that he will be back in a few days. 看来……8. It takes sb. …to do sth. “做某事要花费某人多长时间”。
it常用短语和句型大集合(讲义)
1. 通过学习本课，能够牢记与it相关的一些常用搭配和常用句式。
2. 通过学习本课，能够运用it相关搭配和句式来解题或者运用于书面表达之中。
重点：能够识别和牢记一些常用搭配和句式中it的用法。
难点：能够熟练掌握it的相关搭配和句式，并且将其运用于解题和书面表达之中。
it的用法是常考的热点与重点。
考查主要集中在语法填空和短文改错中，在书面表达中，正确地运用含有it用法的重要句式，也能够为文章增加亮点和文采。
it常用短语1. make it 成功、做到、说定、赶上、及时到达, 在口语当中相当于succeed，或用于约定时间。
He never really made it as an actor. 作为演员，他从没成功过。
—Shall we meet next week？我们下周见好吗？—OK. We just make it next Saturday. 好。
我们就定在下周六吧。
2. as it is 事实上，实际情况是……；照原样We had planned to finish the task today，but as it is we probably won’t finish it until next week. 我们原计划今天完成这项工作，但实际上我们也许要到下周才能完成。
Leave the table as it is. 桌子按原样放着吧。
3. if it weren’t for… / if it hadn’t been for… 如果不是……，要不是……If it weren’t for Tom，I wouldn’t be alive today. 如果不是因为汤姆，我不会活到今天的。
4. that’s it 搞定、结束、到此为止、仅此而已；就是这样，完全正确You can have one more sweet，and that’s it. 你可以再吃一块糖，不能再多了。
— I guess the key to the problem is the choice “A”. 我想这道题的答案是A。
It句型归纳最全总结
It句型归纳最全总结It句型归纳总结I。
It作形式主语的句型1.It is adj (kind。
wise。
careless。
XXX.) of sb to do sth.For example: It is wise of him to make such a XXX wise.2.It is adj (easy。
safe。
common。
normal。
) for sb to do sth.If adj is important。
necessary。
natural。
possible。
strange。
vital。
essential。
etc。
it can be changed to a clause。
and the clause should use should + verb.For example: It'XXX for children to play with fire。
Children playing with fire is very dangerous.It is important for us to learn English well。
It is importantthat we (should) learn English well.3.It is V-ed (reported。
believed。
said。
XXX.) that clause.In this sentence pattern。
if V-ed is reported。
believed。
said。
etc。
it is often translated as "据报道"。
"据认为"。
"据说"。
If V-ed is suggested。
ordered。
demanded。
insisted。
etc。
which means "suggested"。
高二英语期末复习 Unit20语法复习 It相关的句型 人教版
高二英语期末复习 Unit20语法复习 It相关的句型人教版一. 本周教育内容：期末复习：Unit 20语法复习：It相关的句型（一）it用做形式主语或形式宾语：主要句型：It’s +形容词/名词+连词+名词性从句to do sth.doing sth.find / make / think / feel it +形容词/名词+连词+名词性从句to do sth.doing sth.例句：1. It’s usual for close friends to have simila r ideas and beliefs .2. It’s a pity that I didn’t think of it earlier.3. It’s no use going there so early.4. Out teacher thinks it no good learning without practice.（二）其他句型1. It takes+时间段+sb.+ to do sth.2. 表示“据说，据报道，/人们认为/相信/建议等”It’s said that …It’s reported that …It’s believed/thought/suggested that …例句：1. It generally takes time to reach this point-being on the same wavelength .2. It’s suggested that we should have a meeting to discuss the problem .（三）it在强调句型中：在英语中，为了突出强调句子的某一个成分（谓语除外），达到强调或使听话人特别注意这一部分的目的。
便形成了一种强调句型。
It is / was+被强调的部分+that / who+句子的其他部分。
It is / was not until+时间+that+句子的其他部分。
it在高中阶段用法句型(K12教育文档)
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it在高中阶段用法句型(word版可编辑修改)It句型背诵一． It 做形式主语● to do 做真正的主语1。
我很方便和他取得联系。
It is convenient for me to get in touch with him.2。
你那样做是很愚蠢的.It is stupid of you to do so。
3. 我们听到那消息很惊讶。
It was amazing to us to hear the news4. 修长城花费了成千上万人很多年的时间。
It took thousands of people many years to build the Greatwall。
● doing做真正主语5. 你和他理论是没有用的。
It is no use your arguing with him。
6。
覆水难收It is no good crying over spilt milk.7. 雨天爬山真是有趣。
It is great fun climbing mountains on raining days.8这项工作值得做It is worthwhile doing the work.It is worthwhile to do the work。
【英语】高考必考点：it的固定句式集锦
【英语】高考必考点：it的固定句式集锦第一，it作形式主语的常见句型(1)it替代动词不定式的常见句型为：①It+ be+ adj+ (for sb.) to do sth.此处的形容词通常为描述事件的形容词：easy, difficult, hard, necessary, unnecessary, possible等。
如：It is illegal for a teenager to drive a car without a license.②It +be+ adj.+of sb. to do sth.此处的形容词通常为描述人的形容词：kind, unkind, nice, rude, cruel等。
如：It’s kind of you to help me with the problem.(2)it替代动词-ing的常见句型：It’s no good/use doing...It’s (well) worth doing...如：It’s no use crying over spilt milk.(3)it替代从句的常见句型：①It +be+n.+that从句如：It is no secret that the president wants to have a second term in office.②It +be+adj.（important, necessary, surprising...）+that从句从句中的谓语动词用"should+动词原形"形式，且should可省略。
如：It’s important that you should apologize to her for yourrudeness.③It +v.+sb.+that从句= It +be+ v-ing +that从句如：It worried me that she drove so fast.(= It was worrying that she drove so fast.)④It+v.(+to sb.)+ that从句常用动词或短语有appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out, work out等。
it常用句型大扫描
2）.It is +v-ed +that 从句
① It is said (reported, learned, believed , thought ...) that ... 据说（ 据报道, 据悉, 据信…）
It is said that Liuxiang has come to Zhongshan.
It is the second time that I have been late for school. 这是我第二次上学迟到了。 It was the third time that I had been to Shanghai. 那是我第三次去上海了。
三、It 用于强调句
It+is/was+强调部分+that/who(whom)+其他部分 Eg: Nancy saw your sister in Tokyo last week. It was Nancy who saw your sister in Tokyo last week. It was your sister whom Nancy saw in Tokyo last week. It was in Tokyo that Nancy saw your sister last week.
It is time(that)we handed in our exercises . (= It is time that we should hand in our exercises .) It is time that we went to bed. (= It is time that we go to bed . )
5.It / This / That +is/was+the first(second , third …) time + that-clause 这个句型表示截止到说话时为止的某人的一种 经历，关键是注意time前有序数词，主句是 is 时 ，从句要用现在完成时；如果主句用一般过 去时was ，则从句须相应地用过去完成时。例 如： This is the first time (that) these have visited Europeans ____________the Great Wall . had paid It was the fifth time (that) I ___________a friendly visit to Africa .
高中阶段It常用句型解析及运用
高中阶段It常用句型解析及运用一、It作形式主语1.It 代替不定式，常用于以下结构：It+ be+ adj./ n. +( for sb )to do sth;It+ be+ adj. +of sb to do sthIt takes +sb+一段时间+ to do①It is important for us to master a foreign language.对于我们来说，掌握一门外语是十分重要的。
②It is very kind of you to help me with my English.你帮我学英语，真是太好了。
③It will take about two days to drive to Shanghai.开车去上海大约要两天的时间。
2.It代替动名词，常用于以下句型中：It is no use doing sth. 做……没有用。
It is no good doing sth. 做……没好处It is fun doing sth. 做……有趣①It’s no use crying over spilt milk.覆水难收。
②It’s no good eating some fast food.吃快餐是没有好处的。
③It’s great fun jumping into the swimming pool in summer.夏天跳进游泳池里游泳是件有趣的事。
3.It代替that从句，常用于以下句型中：It be +adj./ n. +that从句It be +过去分词+ that 从句It seems / appears / happens / turns out that 从句It ourred to sb+ that从句①I don’t know the restaurant, but it’s said that it’s quite a good one.我不知道这家饭馆，但听说相当不错。
it的句型归纳清单-高三英语一轮复习
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句型归纳总结大全
it句型归纳总结大全"it"句型是英语中常见的一种句型结构，通常用来强调或者指代特定的事物或情况。
下面是对"it"句型的归纳总结：1. 强调句型：It is (was) + 被强调的部分 + that/who + 其余部分。
例，It is the book that I want to read.（我想读的就是这本书。
）。
例，It was Mary who broke the window.（打破窗户的是玛丽。
）。
2. 虚主语句型：It + be + 形容词 + to do.例，It is important to learn English well.（学好英语很重要。
）。
3. 虚宾句型：It + be + 名词 + to do.例，I find it a pleasure to work with you.（我觉得和你一起工作很愉快。
）。
4. 指代句型：It + be + 形容词 + (for sb.) + to do sth.例，It is easy for me to solve the problem.（对我来说解决这个问题很容易。
）。
5. 天气句型：It + be + adj. + (for sb.) + to do sth.例，It is hot for us to go out.（对我们来说出去很热。
）。
6. 距离句型：It + be + 距离 + to + 地点。
例，It is five kilometers to the station.（离车站还有五公里。
）。
以上是对"it"句型的归纳总结，希望对你有所帮助。
如果你还有其他问题，欢迎继续提问。
(word完整版)it在高中阶段用法句型
It句型背诵一．It 做形式主语●to do 做真正的主语1. 我很方便和他取得联系。
It is convenient for me to get in touch with him.2. 你那样做是很愚蠢的。
It is stupid of you to do so.3. 我们听到那消息很惊讶。
It was amazing to us to hear the news4. 修长城花费了成千上万人很多年的时间。
It took thousands of people many years to build the Greatwall.●doing做真正主语5. 你和他理论是没有用的。
It is no use your arguing with him.6. 覆水难收It is no good crying over spilt milk.7. 雨天爬山真是有趣。
It is great fun climbing mountains on raining days.8这项工作值得做It is worthwhile doing the work.It is worthwhile to do the work.●that 做真正主语9. 他整天责备别人是不足为奇。
It is no wonder that he scolds others all day long.10. 据信他在国外学习/ 要去国外学习/ 去了国外学习。
It is believed that he is studying abroad / to go abroad for study/ has gone abroad for study. He is believed to be studying abroad/ to go abroad for study/ to have gone abroad for study.11. 我突然想起我忘了锁门。
It句型的用法
It句型的⽤法⾼⼆知识点拨It 句型的⽤法1. It ⽤做形式主语1. It seems /appears that he knows everything.--He seems to do…/ to be done everything.to be doingto have done…/ to have been told…2. It occurred (to sb.) that…It (so) happened that…3. It is a pity ( a shame, a fact, an honour, a wonder) that…4. It is strange ( natural, possible, likely, quite clear, etc) that …---It is strange/natural/ essential/ important/urgent/ that we should do sth.5. It is said ( reported, announced, arranged, decided, stressed, believed, etc) that …→People say that …→ He is said to be a president.6. It doesn’t matter …注意：It is natural/…essential, important, necessary, strange, urgent… that we should do sth.It is required/ demanded/ suggested /ordered… that we should do sth.It is a pity that the whole scheme fell through after so many people had worked so hard to make it a success. It doesn’t matter whether you go yourself or send another.It is surprising how little he knows.7. It is no wonder that …cf. There is no doubt thatNo doubt, he will …8.It is no good (or no use) / fun trying to explain—I’m not interested.Cf. It is not good to do sth.It isn’t much good expecting him to help.It is worth visiting the national Palace Museum.cf. Is it worthwhile doing/ to do sth?The park is worthy of being visited/ to be visited.9. It is helpful for sb to do sthIt is nice of sb to do sth.10. it ⽤于强调句中结构为： it is(was)+所要强调的部分（谓语除外）+ that( or who) + 其余部分It is … that/who…It was I who met Mike in the park last night.It was last night that I met Mike in the park.It was in the park that I met Mike last night.It was Mike that I met in the park last night.I didn’t finish my homework until he helped me.It is not until he helped me that I finished my homework.Not until he helped me did I finish my homework.11. It won’t be long before we have final test.It will be long before I recover.12. It is /has been one year since he came to Shanghai.13. It is the 3rd time that he has done sth.14. It takes sb some time to do sth.15. It cost sb some money …I spent…16. It is ( high) time that you did sth.17. It is better for sb to do sth.cf. You’d better do sthII. it 做形式宾语典型例句I make it a rule to get up at six every morning.I find it difficult to make a speech without enough preparation.I think it impossible that we should keep clam under this circumstances. III． it 的惯⽤语典型例句It is very kind of you.It is all over with us.How is it with him?That’s it.That’s the best (worst) of it!.Translation:1.有⼈建议过要发明⼀种国际语⾔。
高中英语it 用作形式主语宾语的用法及24个it句式盘点总结(有习题)
高中英语it 用作形式主语/宾语的用法及24个it句式盘点总结一、用作形式主语当不定式、动名词、从句等用作主语时，避免头重脚轻，通常在句首使用形式主语it，而把真正的主语放在句子末尾。
如：It is stupid to do such a thing. 做这种事真蠢。
It’s no good sitting up too late. 熬夜没有好处。
It is necessary that he should be sent there at once. 有必要马上派他到那里去。
注：类似以下句子中的it也可视为形式主语：It happened that the harvest was bad in 1988. 碰巧1988年的收成很不好。
It seems that she is afraid to tell them about it. 似乎她怕将此事告诉他们。
二、用作形式宾语当不定式、动名词、从句等用作宾语且其后跟有宾语补足语时，就应在宾语补足语前使用形式宾语，而将真正的宾语移至句末。
如：I’ve made it a rule never to hurry. 我已养成凡事从容不迫的习惯。
Do you think it possible to root out crime? 你认为可以根除犯罪吗?He found it difficult to breathe at high altitudes. 他觉得在高空呼吸困难。
注：通常意义的形式宾语主要见于真正宾语为不定式、动名词、从句等且其后跟有宾语补足语时的情形，即用于“动词+it+宾语补足语+真正的宾语”这样的结构，但以下两类形式宾语却比较特殊，其后没有宾语补足语：1. 由于介词后通常不能直接跟that从句作宾语，有个别特殊结构就在介词后先接it作形式宾语，再跟that从句。
如：You may depend on it that it is true. 你可以相信这是真的。
高二英语It句型大扫描
高二英语It句型大扫描it句型大扫描一、强调句型1. 陈述句的强调句，强调陈述句中的某个成分。
为了强调句子中的有些成分，要用强调构造it is(was)+被强调局部+that(who)+其他局部。
被强调的成分可以是主语、宾语、状语，但不能是定语表语和谓语。
这种类型的强调句主要留意一下几个方面：1〕it 在这一构造中作主句的主语，所以即使被强调局部是复数名词，也要用is或was。
e.g. tom and mark often come to see me.it is tom and mark who often come to see me. 〔强调主语〕2〕假如被强调局部是时间、地点、方式或缘由也不用when, where, how, why, 而用that；强调人时可用who，也可用that。
e.g.〔1〕they set out the day before yesterday.it was the day before yesterday that they set out 〔强调时间状语〕〔2〕we put off the sports meet because of the rain.it was because of the rain that we put off the sports meet 〔强调缘由状语〕〔3〕it was because she was ill that they didn’t ask her to do the job. 〔强调缘由状语从句〕3〕被强调局部假如是原句的主语，who或that后面谓语的人称和数应和原句的主语相同。
— personally, i think it is the salesmanager, rather than thesalesgirls, ____ to blame.—i agree with you.a. isb. that isc. ared. who are2. 一般疑问句的强调句，只需把is(was)提前。
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高二英语It句型大扫描it句型大扫描一、强调句型1. 陈述句的强调句，强调陈述句中的某个成分。
为了强调句子中的有些成分，要用强调结构it is(was)+被强调部分+that(who)+其他部分。
被强调的成分可以是主语、宾语、状语，但不能是定语表语和谓语。
这种类型的强调句主要注意一下几个方面：1）it在这一结构中作主句的主语，所以即使被强调部分是复数名词，也要用is或was。
e.g. tom and mark often come to see me.it is tom and mark who often come to see me. （强调主语）2）如果被强调部分是时间、地点、方式或原因也不用when, where, how, why, 而用that；强调人时可用who，也可用that。
e.g.（1）they set out the day before yesterday.it was the day before yesterday that they set out （强调时间状语）（2）we put off the sports meet because of the rain.it was because of the rain that we put off the sports meet（强调原因状语）（3）it was because she was ill that they didn’t ask her to do the job. （强调原因状语从句）3）被强调部分如果是原句的主语，who或that后面谓语的人称和数应和原句的主语一致。
—personally, i think it is the salesmanager, rather than the salesgirls, ____ to blame.—i agree with you.a. isb. that isc. ared. who are2. 一般疑问句的强调句，只需把is(was)提前。
e.g. (1) was it in 1939 that the second world war broke out?(2) is it professor wang who teaches you english?(3) —was it two months ago _____ you luckily got an opportunity to spend your holiday in canada?—_____. john was the lucky dog..a. when; not ib. when; not onlyc. that; not alld. that; not me3.特殊疑问句的强调句，强调特殊疑问句中的疑问词。
e.g. (1) where did you find the wallet?where was it that you found the wallet(2) when shall we meet?when is it that we shall meet?从上面的例子中我们可以看出，特殊疑问句的强调句是由“特殊疑问词+was(is) it that +陈述句”构成的。
但是当含有特殊疑问词的强调句型用在宾语从句中的时候，上述句型应改为‘特殊疑问词+it was( is) that +陈述句”，即采用陈述句语序。
e.g. (1) —where was it ____ the road accident happened yesterday?—in front of the market.a. whenb. thatc. whichd. how(2) i really don’t know _____ you returned the book to me.a. when it was thatb. when was it 共3页，当前第1页123c. when was it thatd. when it was4. 有时可用it might be ...that ...,和it must have been...that...的句型表示强调。
e.g. （1）it might be his father that you are looking for.（2）it must have been his brother that you met.5. 强调not...until结构中由until引导的短语（或从句）表示时间状语的句型是：it is(was) not until...+that...+其他部分。
e.g. 1）he didn’t marry until forty.it was not until forty that he married.（2）mr. yang did not leave the lab until he got everything ready for the experiment.it was not until he had got everything ready for the experiment that mr. yang left the lab.（3）_____ he realized it was too late to return home.a. not until darkb. it was until dark thatc. it was not until dark thatd. it was dark that注意：如果not...until放在句首时就要用部分倒装句式，它的语序和在not...until结构中由until引导的短语（或从句）表示时间状语的句型中的语序不同。
6. 强调词it与先行词it的区别。
强调词it与先行词it的区别可以通过恢复原句的方式来判断，即如果把it is...that...去掉后剩下的成分仍然能组成一个完整的句子，这就是强调句型，否则就不是。
it is there that accidents often happen.→accidents often happen there.以上就是强调句型，被强调成分是状语，把it is...that...去掉，还原成后来的非强调句。
it is clear that not all boys like football.上面的句子如果去掉it is...that...后就成了clear not all the boys like football.很显然这不是一个完整的句子，因此不是强调句型，而是由it作先行词引导的一个主语从句。
7. 其他的一些强调句型：it is/was+时间段+since从句，it +时间段+before从句，it is/was+时间点+when从句。
1）it is/was + 时间+ since …，从……已多久了。
在这个句型中，主句通常用一般现在时，since从句用过去时，表示一个时间点。
e.g.（1）it is five months since i arrived in new york. 我到纽约已五个月了。
（2）it is five months since i was in new york.我离开纽约已经五个月了。
注意：例句中five months是作为一个整体看待的，所以用it is。
在这类句子中，终止性动词表示从动作发生时算起；如果是状态动词或持续性动词，则从动作或状态结束时算起。
2）it is + 时间+ before …。
在这个句型和上面一个句型中，时间都是时间段，如years，five days，twenty minutes等。
不过主句的时态多用一般将来时或一般过去时，从句的时态要根据主句的时态进行变化。
before前的主句如果是肯定的，翻译成“在……之后才……”主句如果是否定的，翻译成“不久就……”共3页，当前第2页123e.g.（1）it was long before he gave an answer.过了好久他才答复我。
（2）it was not long before he worked out the difficult maths problem.不一会儿他就把那道数学题解出来了。
（3）it will be years before he comes back.过几年他才回来。
（4）it was five o’clock a he came to see me.it was at five o’clock b he came to see me.it is five years d i left school.it was five years c he joined the army.a. whenb. thatc. befored. since3）it was + 时间+when从句在上述句型中it指时间，when引导的是时间状语从句e.g.（1）it was at midnight that i got back home yesterday.（2）it was midnight when i got back home yesterday.第一句是强调句型，被强调的时时间状语，因此用介词短语表达，而第二句是一般句型，时间以名词的方式表达，用来作表语。
二、谓语动词的强调it is...that...结构不能强调谓语，如果需要强调谓语，用助动词do, did或does。
如：do come here tomorrow.he did write to you last week.mary does study hard now.三、练习1. —he looks unhappy.—yes, but he can’t say what it is ___ is bothering him.a. asb. thatc. whatd. which2. (1) it was not until i had read your letter __c_ the truth.(2) not until i had read your letter _a___ the truth.a. did i learnb. i didn’t learnc. that i learnedd. that i had learned3. you fix my what? it was to get my brakes repaired____ i brought my car in, not to get the engine replaced!a. so thatb. whenc. thatd. because4. it was some time ___ we realized the truth.a. whenb. untilc. sinced. before5. was it when he was training in the field _____ the captain got hurt?a. whenb. thatc. howd. where。