2022年2022年高考英语It的用法.docx

可编辑资料 -- -- -- 欢迎下载一，人称代词It 的用法（专项总结及训练）可编辑资料 -- -- -- 欢迎下载1 ,it 的最基本用法是作代词,主要指刚提到的事物,以防止重复 :①They watched the train until it disappeared in the distance.2. ,也可以指动物或婴儿 〔 未知性别的婴儿或孩子 〕:②Is this your dog ？ No, it isn ’t.③They got a baby and it was a ten-pounder3. ,也可指抽象事物或指抽象环境和情形 :③I hate it when people talk with a full mouth. ． 二， . 非人称代词1. 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：⑴. 指天气： It is a lovely day, isn ’tit.⑵. 指时间 : It was nearly midnight when she came back.⑶. 指日期 :It is April First today.⑷. 指距离 :It is some 3000 kilometers from Beijing to Guangzhou.⑸. 指价值 :It is three dollars.⑹. 指温度 :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⑴ It is clear 〔 obvious, true , possible, certain....〕 that从句 常译为＂┅清楚的（明显的,真的,可能的, 确定的．． ）＂It is very clear that he ’ s nrodutnadll alike a tree.= That he ’ s round and tall like a tree is very clear .⑵It is important 〔 necessary , right , strange , natural...〕 that 从句 常译为┅是重要的 〔 必要的 , 对的 , 奇怪的 , 自然的┅ 〕.that 后的从句中要用虚拟语气 （ should + 动词原形）, should 可以省去,建议记住该句型中的形容词.① It is important that we 〔should〕 learn English well.② It is necessary that he 〔should〕 remember these words.⑶ It is said 〔reported/ learned/believed/thought/known/told/hoped.....〕 that从句 常译为＂据说（据报道,据悉． ．）＂.① It is said that he has come to Beijing.② It is reported that another earth satellite has been put into orbit.⑷ It is suggested 〔 advised/ ordered / demanded/ insisted/ commanded... 〕that 从句 .that 后的从句要用虚拟语气（ should + 动词原形） , should 可以省.常译为＂据建议.有命令． ． ）① It is suggested that the meeting 〔 should 〕 be put off.② It was ordered that we 〔 should 〕 arrive there in two hours.⑸It is time 〔 about time , high time 〕 that 从句 〔 虚拟语气 : 动词用过去时 did〕It is time that children went to bed.It is time you bought a new car . It is 〔high 〕 time you made up your mind.⑹It is the first 〔 second ... 〕 time that 从句〔 从句用现在完成时 have done 〕It was the first 〔 second ... 〕 time that 从句〔 从句用过去完成时 had done 〕可编辑资料 -- -- -- 欢迎下载常译为＂是第一（二） ． ．次．．．＂.It is the first time I have been here. = This is the first time I have been here⑺It is a pity 〔 a shame /an honour/a good thing/a fact,/a surprise/... 〕 that 从句.that 后的从句一般用虚拟语气（ should + 动词原形）, should 可省去．表示出乎意料, 常译为＂竟然＂.没有这种意义时,就不用虚拟语气.① It is a pity that such a thing 〔 should 〕 happen in your class. 这种事竟然发生在你们班 上,真是遗憾。

② It is a pity that he is ill. 他生病了,真遗憾⑻It happens 〔seems , looks , appears 〕 that 从句. 常译为 “碰巧 ⋯,似乎是 ⋯,看起来⋯”① It happened 〔 so happened 〕 that he met his teacher in the street. 碰巧．． .②It seems that he will be back in a few days. 看来．．2. 作形式主语替代不定式. ⑴ It is kind 〔 of sb. 〕 to do sth. 不定式的规律主语是由 of 引起,主句中的形容词必需是能表示规律主语特点的褒义或贬义形容词. 常见的词有：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. .如:It is kind of you to say so. = You are kind to say so.⑵It is necessary 〔 for sb. 〕 to do sth. . 不定式的规律主语是由 for 引起,主句中的形容词通常是表示重要性,紧迫性,频繁程度,难易,安全等情形的中性形容词. 常见的形容词有：important , necessary , natural easy , safe , common , normal , hard ,difficult , dangerous , unusual , rare , impossible , pleasant如:It is important for her to come to the party. = It is important that she 〔should 〕come to the party.⑶It takes sb. ... to do sth. 常译为＂做． ．．要花费某人． ．．＂.如:It took thousands of people many years to build the Great Wall.3. 作形式主语替代动名词短语It is no good / no use / useless doing sth. 常译为 “┅有好处或没有用 ”① It is no good learning English without speaking English.② It's useless trying to argue with Shylock.五，作形式宾语,代替不定式,动名词短语或宾语从句.We think it important to learn a foreign language.该句型中的 it 作形式宾语,该结构中常用的动词有： think, believe, make ,find consider , feel . 如:We think it our duty to clean our classroom every day. He felt it important learning English well.可编辑资料 -- -- -- 欢迎下载They found it difficult that they would finish their work in two days.The Internet makes it easier for companies to keep in touch with customers.六， .it 的重要句型1. 强调句型 : It is/was + 被强调部分 + that 从句 〔 被强调的主语假如是人, that 可以由 who 换用 〕① It was about 600 years ago that the first clock with a face and an hour hand was made.②It was they that 〔who 〕 cleaned the classroom yesterday.③It was in the street that I met her father .④It was yesterday that I met her in the street.⑤It is you that /who are wrong.特例 :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.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 realizsehe was a famous film star until she took off her dark glasses.Choose the best answer1.It took us over an hour along the street.A.walk B.to wal。