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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.“It is time for……〞表示“是……时候了〞。
句中介词for后接名词或代词作宾语。
如：It’s time for school.是上学的时候了。
2.“It’s time to do sth.〞表示“是做某事的时候了〞。
此句常与上句替换使用。
如：It is time for us to have lunch.=It is time for our lunch.是我们吃午饭的时候了。
3.在“It seems……〞句中，seem是不及物动词，常作系动词用，有“好似、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：It seemed that nobody knew anything about the matter.看来没有人了解这件事。
4.“It’s one’s turn to do sth.〞表示“轮到某人做某事了〞。
如：It’s your turn to play ping-pong.该轮到你打乒乓球了。
5.“It is+形容词+to do sth.〞表示“做某事怎么样〞。
其中it作形式主语，替代后面的不定式to do sth.(真正主语)。
如：It is easy to speak English. 说英语很简单。
6.“It is+形容词+for X.+to do sth.〞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：It is quite difficult for us to find out who broke the windows.对我们来说，查明是谁打破了窗户是相当难的。
7.“It is+形容词+of X.+to do sth.〞表示“某人做某事怎样〞。
英语语法it的句型下面是小编为大家整理分享的英语语法it的句型，快来看看吧。
四、It 作形式主语的常见句型：1. 替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/ann oy/amaze/bother/concern/frighten/please/anger sb. that (I)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.下载文档润稿写作咨询润稿写作咨询。
It的用法一、Tell the functions for “it" in each sentence:1、—--What's the weather together？—-—It is fine。
2. It is hard to communicate with him。
3。
I find it hard to communicate with him。
4。
It is Li that who cleaned the classroom。
5。
It is a book。
二、It 用法归纳1,指代it（1）.用作人称代词：指代物、整个句子(2）用作非人称代词2，形式it:（1)作形式主语（2)作形式宾语3，强调it4，特殊句型5。
在答语中指代this/that：1）.—-—Whose book is that? ——-It’s mine.三、特别注意：it, one和that作替代词的用法及区别1。
it代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。
(特指，指代单数，指代物,同名同物）Can I borrow your pen?-Sorry，I'm using it。
2。
one代替前面提到的同类事物中的一个。
该事物只能是可数名词，前面可以有冠词，也可以被this、that或形容词修饰,其后也可以有定语. (泛指，指代可数名词，指代人或物,同名异物）I have a bike。
Do you have one?Eg：（1）.I bought a dictionary three years ago and I am still using______ now。
(2) I bought a dictionary three years ago but I am going to buy a new _______soon. （3)。
that代替前面提到的同类事物中特指的一个。
It句型归纳It 句型归纳1．It is ＋adj．(＋for sb．／sth．) ＋ to do sth．用于此句型的形容词有：easy，hard，difficult，possible，important，impossible，necessary，good，bad，exciting, interesting，surprising等。
如：It is necessary to change your job．It was very hard for them to walk such a long way in the snow．2．It is ＋n．(＋for sb．／sth．) ＋ to do sth．用于此句型的名词有： pity, shame, pleasure, one's duty, one's job, fun, joy, good manners, bad manners等。
如：It is a pity for you to have missed such a wonderful play．错过如此精彩的表演太可惜了It is bad manners for the young to take up the seats for the old．占据老年人的座位这件事是不好的行为3．It is ＋adj．＋of sb．＋to do sth．此句型中的形容词主要描述某人的品德、特征。
能用于该句型的形容词有：kind, nice, wise, silly, polite, impolite, friendly, foolish, clever 等。
如：How silly it was of you to give up such a good chance！放弃如此好的机会，真是太傻了It is friendly of the family to try to make me feel at home in their house．这一家人太友好了，让我感觉到了自己家似的4． It is ＋adj．（＋n．）＋doing sth．此句型中的形容词和名词常见的有：no／little use, no／much good, useless 等。
it作形式主语的句型
1、It + be + 形容词 + that从句：表示某事物具有某个特征或属性。
例如：It is important that we arrive on time.（我们按时到达很重要。
）
2、It + be + 名词短语 + that从句：表示某个事物符合某个特征或属性。
例如：It is a shame that he didn’t come to the party.（他没来参加聚会真是遗憾。
）
3、It + be + 过去分词 + that从句：表示某个动作已经被完成或已经发生。
例如：It is said that the book will be published next month.（据说这本书将在下个月出版。
）
4、It + be + 现在分词 + that从句：表示某个动作正在进行或正在发生。
例如：It is raining hard outside.（外面正下着大雨。
）
5、It + be + 不定式短语 + that从句：表示某个动作将要发生或被计划。
例如：It is to be announced tomorrow if the meeting will be held as scheduled.（明天将宣布会议是否按计划举行。
）
这些句型中的“it”通常被称为“形式主语”，因为它在句子中充当主语，但实际上并不是真正的主语。
这种用法是为了使句子更加通顺或强调某种特定的信息。
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 可指代单数、不可数的物，上文提到的事，时间，金钱，距离，天气。
有时也可以指人、婴儿I: It 作形式主语的句型：1.it + be + adj. ( kind, wise, careless, clever…) + of sb to doIt is wise of him to make such a decision.2.It + be +adj.( easy, safe, common, important, hard….) for sb to doIt is very dangerous for children to play with fire.3. It is useless/ no use/ no good… doingIt is no use arguing with him further.4..It + be+ v-ed (reported, said, believed,….)that 从句…It is said that Tom has been back from abroad.句型中的V-ed 为（表建议suggested, advised, proposed，命令ordered, commanded，要求demanded, requested, insisted）that从句中的谓语should + V原形/be done)It is suggested that the meeting (should) be put off..5.It +be + n.( a pity/ a shame/ a fact, good news….) that …It is good news that Tu Youyou won the Nobel prize.6.It takes sb some time to do sth.It took many people many years to build the Great Wall.II: it 作形式宾语的句型：Sb + ( find/believe/feel/ consider/ think/ make ..) it + adj. / n. to do / thatWe think it our duty to clean our classroom every day.They found it hard that they would finish their work in two weeks.III: IT 引导的时间句型1.It + is +一段时间+ since引导的时间状语从句该句型中从句一般用过去时态，句意为“自从。
与it有关的主要句型it强调句型知识总结归纳：（一）it用做形式主语或形式宾语：根据句子结构的需要，it用做形式主语或形式宾语，而真正的主语或宾语（to do 短语，doing短语，名词性从句）则放在句尾。
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 will become more and more important to have a good knowledge of English .2. It’s usual for close friends to have similar ideas and beliefs .3. It’s a pity that I didn’t think of it earlier.4. It’s no use going there so early.5. Out teacher thinks it no good learning without practice.6. Didn’t I make it clear to you that I was not coming ?7. We found it strange that no one would take the money.（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 is believed that the two children went off exploring（探险）on their own and get stuck on the cliff .3. It’s suggested that we should have a meeting to discuss the problem .4. It was once predicted（预测）that British and American English would become separate languages finally .（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。
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"。
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 sth It 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 took thousands of people many years to build the Great Wall.It took the man a long time to persuade his son out of smoking.9. It is no good (use ) doing sth. 做…是无益（无用）的。
It is no good learning English without speaking English.10. It is /was the fist /second ...time that sb have/had done sth 某人第几次做某事It is the first time that I have seen a film in a cinema.It was the third time that I had seen the film.11. It is+adj +of sb. to do sth.常见的形容词有: bad, brave, careless, clever, cruel, foolish, good (好心的), honest, nice, kind, lazy, modest, naughty, polite, rude, silly, stupid, wise, wrong 等。
It is kind of you to say so. It is cruel of you to kill such a small cat.12. It is necessary for sb. to do sth.important, necessary, natural, easy, safe, common, normal, hard, difficult, dangerous, unusual, rare, impossible, pleasant 等。
It is important for her to come to the party.13. It looks ( seems ) as if ... 从句中根据实际情况用虚拟语气It looks as if he is ill.（真的病了）It looks as if he were ill. （没有生病）二、it 作形式宾语14. We think it important to learn a foreign language.结构：动词+形宾常用的动词：We think it our duty to clean our classroom every day.They found it difficult that they would finish their work in two days.三、强调结构★ 强调句型用来强调谓语动词以外的任何句子成分，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。
They cleaned the classroom yesterday.It was yesterday that they cleaned the classroom.Itwas they that (who) cleaned the classroom yesterday.It was the classroom that they cleaned yesterday.★not ... until ... 的强调形式→It is not until …+ that ... “直到……才……”.I didn't realize she was a famous film star until she took off her dark glasses.→It was not until she took off her dark glasses that I realized she is a famous film star.I didn’t understand that I was wrong until yesterday.→四、16. It is/was+时间段+since+主语+谓语自从….已经多久了。
It is 5 years since his father died. It was three years since I came to Beijing .It is five months since I was a solider.(我退伍已经五个月了)17. It is ... when ...该句型中的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。
常译为“当……的时候，是……”。
It was 5 o'clock when he came here.18. It be ... before ... “……之后……”It was 3 days before he went to Beijing. 三天后他去北京It will be not long before he finishes his job. 不久以后，他完成了工作。
五、it构成的习语Take it easy. 放轻松You’ve/I’ve got it懂了，明白了;. Don’t mention it. 不用谢It/That depends. 看情况。
make it 成功，做成When it comes to sth/doing sth…当涉及（做）某事物的情况﹑事情或问题时He's a bit of an expert when it comes to computers.六、It 常用的固定搭配1. make it （1）在口语当中相当于succeed，表示：成功、做到、说定、赶上、及时到达例It's hard to make it to the top in show business.（2）在口语中相当于fix the date for，表示“约定好时间”例—Shall we meet next week？—OK. We just make it next Saturday.2. as it is（1）相当于in fact，in reality表示“事实上，实际情况是……”例We had planed to finish the task today，but as it is we probably won't finish it until next week.（2）相当于方式状语从句，表示“照原样”例Leave the table as it is.3. as it were 相当于as one might say，that is to say，表示“也就是说，可以说，换句话说”例He is，as it were，a modern Sherlock Holmes.4. if it weren't for…/if it hadn't been for…用来引导虚拟语气，相当于without，or but for，表示“如果不是……，要不是……”例If it weren't for Tom，I wouldn't be alive today.5. that's it（1）相当于That's all. That's so much. 表示“至此为止，没有别的了”例You can have one more sweet，and that's it.（2）相当于That's right.表示“对啦”例—I guess the key to the problem is thechoice “A”—That's it.6. catch it在口语中，相当于be punished/scolded for doing sth. wrong. 表示“因做错事而挨骂，受责备，受批评，受惩罚”例We'll really catch it form our teacher if we're late for class again.7. have it（1）相当于say，insist表示“说，主张，表明，硬说”例Rumour has it that they are getting divorced.（2）相当于get to know something，表示“了解，知道，获悉”例I had it from John that she was going abroad.8. have what it takes在口语中，相当于be well qualified for，表示“具有成功的条件”例You can take it from me that your daughter has what it takes to be a star.9. so it seems / appears.10. Keep at it！（Don't give up！）相当于go on，表示“继续做，不放弃”例My teacher asked me to keep at it.11. Go it！（Go on！）拼命干，莽撞12. Now you have done it！（You have done sth. wrong.）13. Now you'll catch it！（You'll be punished.）14. As it happened，…在口语中，相当于it's a pity that…，表示“真不凑巧，真遗憾”例As it happened，they were out.15. As it turned out，…在口语中，相当于it was found to be in the end，表示“最后被证明是”例As it turned out，his statement was false.16. Such as it is（they are）在口语中，相当于although it may not be worth much，表示“虽然没有多大价值”例You can borrow my exam notebook，such as it is.17. Take it/things easy.相当于Don't worry or don't hurry. 用来劝告别人，表示“不要慌，别担心，存住气”例Take it easy！He will do it well.18. Take it from me. 在口语中，相当于believe me what I say.表示“请相信我的话，我敢担保”例You can take it from me that he will make it this time.19. For what it is worth…在口语中，相当于although I'm not sure it's of value，表示“不管其价值如何”例Here is the article I promise you，for what it's worth.20. Worth it 在口语中，相当于useful，表示“有好处，值得做”例Don't hesitate about it！It's worth it.21. Believe it or not.表示“信不信由你”例Believe it or not，Tom is getting married to Mary next Sunday.22. Take it or leave it. v. 要么接受要么放弃例That is my last offer. You can take it or leave it.23. It all depends/that all depends在口语中，相当于it hasn't been decided yet，表示“那得看情况，还没有定下来”例—Are you going to the countryside for holiday？—It/That all depends.24. It's up to sb. 在口语中，相当于it's decided by sb. 表示“由……决定，由……负责，取决于……”例—Shall we go out for dinner？—It's up to you.。
