【正文】 第一篇：It用法小結(jié)一、it作句子的真正主語(yǔ)1．it 指前面已經(jīng)提到過(guò)的人或事物，有時(shí)指心目中的或成為問(wèn)題的人或事物，作真正主語(yǔ)。例如：What’s this? －It is a sheep? 這是什么？？這是一只綿羊。Who is it? －It’s me(I).誰(shuí)？？是我。It’s the wind shaking the 。2．it指時(shí)間、季節(jié)。一般用在無(wú)人稱動(dòng)詞的主語(yǔ)。例如：What time is it? －It’s ？？九點(diǎn)了。It’s time for the ’s ，我們走吧。What day is today? －It’s ？？今天星期六。What’s the date today? －It is October ？ ？今天是十月一日。What season is it? －It is ？？是夏季。3．it 指氣候。一般作無(wú)人稱動(dòng)詞的主語(yǔ)。例如：Is it cold in this room? －No, it isn’？？不冷。What’s the weather like today? －It is ？？是晴天。It often rains in summer and it often snows in winter in this ，冬天經(jīng)常下雪。4．it指距離、情況等。一般用作無(wú)人稱動(dòng)詞的主語(yǔ)。例如：It is five kilometers from my home to the 。It is very near from this factory to that 。It is a long way to the 。Is it well with you? 你身體好嗎？二、it作形式主語(yǔ)動(dòng)詞不定式、動(dòng)名詞短語(yǔ)起、從句在句子中起主語(yǔ)作用，而這一部分用詞較多時(shí)，可以用it作為形式主語(yǔ)，放在句首代表其后所說(shuō)的事實(shí)上的、真正的主語(yǔ)，而把真正的主語(yǔ)放在后面。1．It +謂語(yǔ)＋動(dòng)詞不定式。It 作形式主語(yǔ)，動(dòng)詞不定式作真正的主語(yǔ)。例如：It is difficult to climb a 。It’s a good habit to do morning 。It’s important to do proper memory work in the study of a foreign 。It is right to do 。2．It＋謂語(yǔ)＋動(dòng)名詞短語(yǔ)。It 作形式主語(yǔ)，動(dòng)名詞短語(yǔ)作真正的主語(yǔ)。例如：It is dangerous playing with 。It is no use learning without 。It’s useless arguing with a silly 。3．It ＋謂語(yǔ)＋名詞性從句。It 作形式主語(yǔ)，以that 引導(dǎo)的名詞性從句是真正的主語(yǔ)。例如：It is a pity that you didn’t see such a good ，真可惜。It is certain that we shall 。It is strange that nobody knows where he ，誰(shuí)也不知道他住在哪里。（It is strange that…后面可用虛擬語(yǔ)氣。如：It is strange that he should have made such a ，真奇怪。It is strange that nobody should know where he ，真奇怪。）It is said that the plane will take off at ten tomorrow 。三、it作形式賓語(yǔ)it 作形式賓語(yǔ)，代表其后所說(shuō)的真正的賓語(yǔ)。真正的賓語(yǔ)是以that 引導(dǎo)的名詞性從句或不定式短語(yǔ)。例如：I consider it wrong that you Chinese students learn English without paring it with your own ，不和你們自己的語(yǔ)言比較是不對(duì)的。I find it not so difficult to learn a foreign 。I remember I made it clear to you that I was not 。They want to make it clear to the public that they are doing an important and necessary ，他們?cè)谧鲆患匾直匾墓ぷ?。四、it 用于強(qiáng)調(diào)結(jié)構(gòu)在表示強(qiáng)調(diào)的結(jié)構(gòu)中，it 可用作先行代詞，這種結(jié)構(gòu)的句型如下：It +is/was +被強(qiáng)調(diào)的部分＋that +其他部分。如果強(qiáng)調(diào)的部分是人，可用who, whom ：Professor Wang teaches us English every Monday 。強(qiáng)調(diào)主語(yǔ)：It is Professor Wang who teaches us English every Monday ：It is us whom teaches English every Monday ：It is English that teaches us every Monday ：It is every Monday afternoon that teaches us was here that I first met 。（強(qiáng)調(diào)狀語(yǔ)）It is the people who are realy 1)該上課了，快。It is time for up.2)從這兒到你們學(xué)校遠(yuǎn)嗎？？不遠(yuǎn)，大約一公里。Is it far from here to your school? ？No, it isn’’s about a )從我家到頤和園去很近。It is very near from my home to the Summer )（天）正在下雨。It’s raining )電燈是愛(ài)迪生發(fā)明的。It was Edison who invented the electric )我認(rèn)為學(xué)習(xí)一門外語(yǔ)是很重要的。I think it important to learn a foreign )他通常一天讀兩次英語(yǔ)。He made it a rule to read English twice a )從我家去天安門廣場(chǎng)坐公共汽車大約要一個(gè)小時(shí)。It takes about an hour to go from my home to the Tian’anmen Square by bus.第二篇：it用法小結(jié)小結(jié)(20081208 15:57:31)標(biāo)簽：教育It用法小結(jié)it在英語(yǔ)語(yǔ)法中屬人稱代詞，意思是“它”，用來(lái)指人以外的一切生物和事物。它的用法不僅不簡(jiǎn)單，而且很復(fù)雜。一、用于指人以外的一切生物、無(wú)生命的東西和事情。一般指說(shuō)話者心目中已經(jīng)了解或所指的生物、無(wú)生命的東西或事情、沒(méi)有性別的區(qū)分；可以是可數(shù)名詞，也可以是不可數(shù)名詞，在句子中既可做主語(yǔ)，也可以作賓語(yǔ)。1．指動(dòng)物和植物。如：—Oh，that39。s Lucy39。s hat．噢，那是露茜的帽子?！狪t looks like a cat！它看上去像只貓！Where39。s tea grown？It39。s grown in the southeast of China．什么地方種植茶？中國(guó)東南部種植茶。2．指代一些無(wú)生命的東西。如：Is it your watch？這是你的手表嗎？Look at the rain！It39。s heavy，isn39。t it？看這雨！雨很大，對(duì)嗎？3．代替上文提到過(guò)的整個(gè)事情。如：Well，you mustn39。t play on the road．It39。s dangerous．哦，你不能在公路上玩。這太危險(xiǎn)了！It was hard work，but they really enjoyed it．摘蘋果是艱苦活，可他們都樂(lè)意去干（它）。二、用于指代人。1．指代說(shuō)話者心目中不太清楚的那個(gè)人，常在打電話或敲門時(shí)用。如：—Who was it？是誰(shuí)（打來(lái)的電話）？—Was it Susan？（打電話的）是蘇珊?jiǎn)?？—Yes，it was．是的，我是。（根據(jù)上下句，“it was”也可不譯出來(lái)。）再如：—Who is knocking at the door？誰(shuí)在敲門？—It39。s me．是我。2．指說(shuō)話者心目中的那個(gè)人。如：—Is it your sister，Kate？（那舊照片上的 baby）是你姐姐凱特吧？—No！不是。—Is it your brother？是你哥哥吧？—No！不是?！狪 know—it39。s you！我知道了，（那）是你。3．指代性別不詳?shù)膵胗變夯蛟诓挥?jì)較性別時(shí)，也可用it來(lái)指人。如The child smiled when it saw its mother．這小孩一見(jiàn)到母親就笑了。I don39。t know who it is．我不知道他是誰(shuí)。注意：看到這樣的句子（或聽(tīng)到這樣的話）時(shí)，要想一想，不要一看到it就把它譯成“它”。）4．在回答用指示代詞表示人的特殊問(wèn)句時(shí)，常用it指人。如：—Who39。s that？那人是誰(shuí)？—Is it Kate？是凱特嗎？—Yes，I think you39。re right．It39。s Kate．是的，我想你說(shuō)對(duì)了，是凱特。三、用于指時(shí)間、距離和自然現(xiàn)象等。1．表示時(shí)間。如：—What time is it？幾點(diǎn)鐘？—It39。s ten．十點(diǎn)鐘。It39。s summer in Australia now．現(xiàn)在澳大利亞是夏天。特別注意it用于表示時(shí)間時(shí)還常見(jiàn)于以下兩個(gè)句型中：（1）It39。s time（for sb．）to do sth．／It39。s time for sth．譯為“是（某人）該干??的時(shí)間了”、“到??的時(shí)候了”。如：It39。s time f