It句型归纳
it的用法
it的用法“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。
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．It is bad manners for the young to take up the seats for the old．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！It is friendly of the family to try to make me feel at home in their house．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的用法及典型句型归纳. 个人总结
It的用法及典型句型归纳一、人称代词it的最基本用法是作代词，主要指刚提到的事物，想法，以避免重复;也可以指性别不明或性别被认为是不重要的人或动物；未指明但谈话双方都明白的事情或情况。
①They watched the train until it disappeared in the distance.②Is this your dog？No, it isn’t.③I hate it when people talk with a full mouth.．二、.非人称代词.it有时并不指具体的东西而泛指天气、时间、日期、距离、价值、度量、温度、环境等：It is a lovely day, isn’t it? // It was nearly midnight when she came back.It is April First today. // It is some 3000 kilometers from A to B.It is three dollars. // Today it is 30 degrees centigrade.三、作形式主语，替代主语从句，动词不定式，或动名词短语1.作形式主语替代主语从句⑴It is clear ( obvious，true，possible，certain....) that＂┅清楚的（显然的，真的，可能的,肯定的．．．）＂⑵It is important ( necessary，right，strange，natural...) that + (should ) do (虚拟语气)┅是重要的(必要的,对的,奇怪的,自然的┅)⑶It is said (reported/ learned/believed/thought/known/told/hoped.....) that= sb / sth is said (reported/ believed /thought…) to do( to be doing/ to have done) sth＂据说（据报道，据悉．．．）＂。
it的9种主要句式
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〞。
it的用法及句型总结
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 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。
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句型归纳和例句
it句型归纳和例句it句型是英语语法中的一个重要句型，用于指代前文或上下文中的某事物或概念。
它通常由一个形容词或介词短语修饰，并且可以作为主语、宾语或介词宾语出现。
以下是对it句型的详细解释和相关例句。
1. 作为主语当it作为主语时，它经常用来表示天气、时间、环境或情况等抽象的事物。
在这种情况下，it的作用是引导一个描述句子的主语，使语句更加具体。
例如：It is raining outside.（外面正在下雨。
）It is Friday today.（今天是星期五。
）It is difficult to make a decision.（做出决定很困难。
）2. 作为宾语当it作为宾语时，它通常出现在及物动词、介词短语和形容词后面，表示句子中所描述的事物。
例如：I think it is important to learn English.（我认为学习英语很重要。
）She always wears a hat to protect it from the sun.（她总是戴着帽子来保护自己不被太阳晒伤。
）He found it difficult to concentrate on his work.（他发现很难集中精力工作。
）3. 作为介词宾语当it作为介词宾语时，通常作为一个具体的对象或概念被指代，并出现在介词后面。
例如：I'm thinking about it.（我正在考虑这件事。
）She is good at it.（她很擅长于此。
）I'm not used to it.（我不习惯这种情况。
）此外，it句型还可以与各种被动语态，感官动词和情态动词结合使用，形成更加复杂的句子结构。
例如：It was built in 1920.（它建立于1920年。
）I can't see it clearly.（我看不清楚它。
）It must be done as soon as possible.（这必须尽快完成。
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"。
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I t句型一、高考真题检测1．(他突然想到) thathe had an important conference to attend thenext morning.( occur)2.During his last lecture, the scientist_________ (觉得) easier to explain the theoryto those with some background knowledge. (find)3. _ ________(我花了) one thousand dollars to buy the painting last week. (cost)二、考点分析1. It is + 被强调部分+ that ...It was about 600 years ago that the first clock with a face and an hour hand was made.It is your efforts, not your intelligence,__________(决定) your success. (determine )2. It is not until + 被强调部分+ that ...It was not until she took off her dark glassesthat I realized she was a famous film star.= Not until she took off her dark glasses ____ I realize she was a famous film star.= I didn’t r ealize she was a famous film staruntil she took off her dark glasses.3. It is clear ( obvious, true, possible, certain....) that .....It is very clear that he’s round and tall like a tree.= That he’s round and tall like a tree is very clear.4. It is important (necessary, right, strange, natural...) that ...It is important that we (should) learn English well. It is necessary that he (should) remember these words.5. It is said (reported, learned，believed....) that ...It is said that he has come to Beijing.It is reported that another earth satellite has been put into orbit.6. It is suggested (ordered ... ) that ...It is suggested that the meeting (should) be put off. It was ordered that we ________ arrive there in two hours. 7. It is a pity ( a shame，no wonder ... ) that ... It is a pity that such a thing (should) happen in your class.8. It is time ( about time ,high time ) that ...It is time that children should go to bed. = It is time that children ______ to bed.(go)9. This /It’s the first/second/third… time+现在完成时的句子It was the first second/third… time+过去完成时的句子It’s the first time that I_______（我拜访）the city.(visit)It was the first time that you had knocked at the door of the teacher10. It is.... since ...It is (has been ) 5 years since his father died.It is / has been two years since he_______abroad （自从他出国）.（go）11. It is ... when ...It was 5 o’clock when he came here.12. It be ... before ...It was 3 days before he went to Beijing.It will be not long before he finishes his job. 13. It happens (seems, looks, appears) that... It happened (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．．．14. It takes sb. ... to do sth.It took thousands of people many years to build the Great Wall.15. It is no good (use ) doing sth.表语可以是no good , ( not any good ) , no use , ( not any use )。
It is no good learning English without speaking English.16. It doe sn’t matter whether ( if ) ...不论（是否）……没关系……。
It doesn’t matter if they are old.17. It is kind (of sb.) to do sth.bad , brave , careless, clever , cruel , foolish , good （好心的）, honest , horrible , kind , lazy , modest , naughty , nice（有教养的）, polite,rude , silly , stupid , wise , wrong（错误的）等。
这个句型可以改写为：sb. is kind to do sth.It is kind of you to say so. = You are kind to say so.18. It is necessary (for sb.) to do sth.① important, necessary, natural ② easy , safe , common , normal , hard , difficult , dangerous , unusual, rare , impossible , pleasant等。
在①中的形容词作表语可以用从句改写，如：It is important for her to come to the party.= It is important that she (should ) come to the party19. It looks ( seems ) as if ...该句型中it无意义。
as if 引导一个状语从句。
常译为，＂看起来好象．．．＂如果与事实不相符合，则用虚拟语气．It looks as if he is ill.（真的病了）It looks as if he were ill. （没有生病）It seemed as if he were dying.20. sb + V +it adj/ n +to do sth/doing sth/-clause….常用的动词：think, believe, make, find, consider, feel；We think it important to learn a foreign language.We think it our duty to clean our classroom every day.Communication becomes more convenient nowadays .Cell phones make it possible（使得这成为可能）for us to talk to anyone fromanywhere．（make）(1) V + prep/prep-phrase + it + that—clause….(see to, look to , stick to, depend on, rely on, answer for )See to it that you are late again.(2) V+ it + prep/prep-phrase + that—clause (bring it to sb’s attention, owe it to sb , take it for granted that …想当然)I owe it to you that I finished my work in time.亏你帮忙，我才及时完成了工作。
I take it for granted that they will support this idea.我认为他们会支持这个提议是理所当然的。
(3) Keep it in mind that…It must be kept in mind that there is no secret of success but hard work.一定要记住的是成功的秘密是努力的工作。
(4) It can be seen from the statistics that ...从这个统计可看出……It can be seen from the statistics that exercise is good for us.从这个统计可以看出，练习对我们是有好处的。