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1、單擊此處編輯母版標題樣式,,單擊此處編輯母版文本樣式,,第二級,,第三級,,第四級,,第五級,,*,,*,經(jīng)營者提供商品或者服務有欺詐行為的，應當按照消費者的要求增加賠償其受到的損失，增加賠償?shù)慕痤~為消費者購買商品的價款或接受服務的費用,單擊此處編輯母版標題樣式,,單擊此處編輯母版文本樣式,,第二級,,第三級,,第四級,,第五級,,*,,*,經(jīng)營者提供商品或者服務有欺詐行為的，應當按照消費者的要求增加賠償其受到的損失，增加賠償?shù)慕痤~為消費者購買商品的價款或接受服務的費用,It的用法,一、,it,作人稱代詞的用法,1.,指事物,,作為人稱代詞，,it,可以,除人以外,的一切事物或動物。如：,,I
2、 dropped my watch and,it,broke.,我把手表掉在地上摔壞了。,,It’s hard work, but I enjoy,it,.,工作很辛苦，可是我樂意干。,,“,Where is the dog?”?“,It,’s in the bedroom.?”?“,狗在哪,?”“,在臥室里”。,,2.,指人,,it,指人主要用于指,不性別不明的嬰兒,或用于確認某人的身份。如,：,,Is,it,a boy or a girl?,是男孩還是女孩,?,,There is a knock on the door.,It,must be the postman.,有人在敲門，一定是郵
3、遞員。,,【,說明,】,在答語中，常用來指本人，如說,It,’s me,。,,3.,代替某些代詞,,代詞,,it,,還可用于代替指示代詞,this, that,,以及復合不定代詞,,something, anything, nothing,等。如,：,,“,What’s this?”?“,It,’s a new machine.?”,,“,這是什么,?”“,是一種新機器”。,,Nothing is wrong, is,it,?,沒出什么問題，是嗎,?,二、,it,作非人稱代詞的用法,1.,基本用法,,it,,作非人稱代詞的用法，主要用于指時間、距離、價值、天氣、氣候及溫度等自然現(xiàn)象。,,,1.
4、,It,is Friday today.,,2.,It,,was very cold last Monday.,,3.,It,is about 8:30 now.,,4.,It,is about 25km from Linquan to Fuyang.,,5.,It,lies in the south of Anhui.,,6.,It,is 40°C ! You got a high fever!,date,weather,time,distance,place,temperature,,2.,用于某些句型,,It’s time for sth.,該做某事了。,,It’s time to do
5、 sth.,該做某事的時候了。,,It’s time for sb to do sth.,某人該干某事了。,,It’s (about / high) time + that-,從句,.,某人該做某事了。,(,從句謂語用過去式，有時也用“,should+,動詞原形”,),,It’s first (second) time + that-,從句,.,某人第幾次干某事。,(,從句謂語用現(xiàn)在完成時,),,,It’s +,時間段,+ since.,自從,……,有一段時間了。,,It’s +,時間段,+ before.,過多長的時間才,…,it’s=it was,,It‘s +,時間段,+ that.
6、…,多久了,,It's +,時間段,+ when ...,是在某個時刻,It is time for breakfast.,It is time to have breakfast.,It is time for us to have breakfast.,It is the first time I’ve been here.,It is two weeks since I saw him,It's ten years before I graduated.,It's ten years that I've lived here for,It was ten years ago when I
7、 graduated,三、,it,用作形式主語,1.,基本用法,,當不定式、動名詞、從句等復雜成分用作句子主語時，為保持句子平衡，通常把真正的主語放在句末，而在句首使用形式主語,it,。,如：,,It,’s very important to remember this.,記住這一點很重要。,,It,’s hard work climbing mountains.,爬山是費勁的事。,,It,’s unknown when he will come.,他什么時候來還不知道。,2.,用作形式主語的的重要句型,,,(1)?it,作形式主語替代不定式,,,構成,”,It + be + adj. for
8、 (of) sb to do sth“,,某人做某事,……,,It,is hard for him to make up his mind.,他很難下定決心。,,It,was foolish of her to say such a thing.,她說那樣的話，真是太蠢了。,,【Tip】,介詞,of,與,for,的區(qū)別是：,,of,用于指某人的性格、屬性、特征等，介詞,,for,表示對象，意為“對,……,來說”,2) It is V-ed + that,,,①,It is said (reported, learned) + that…,,It is said that he has come
9、 to Beijing.,,,②,It is suggested ( ordered, demanded, insisted, commanded) + that …,,從句中的過去分詞是表示請求，建議，命令等詞時，,that,后的從句要用虛擬語氣,(should + V,原形,). Should,可以省略。譯為“據(jù)建議；有命令,…”,,It is suggested that the meeting (should) be put off.,3) It is a pity (a shame) that…,,,That,后的從句一般用虛擬語氣,(should+V,原形,), should,可以
10、省略,.,表示出乎意料，譯為 ”竟然“。沒有這種意義時，則不用虛擬語氣。,,It is a pity that such a thing (should) happen in your class.,,(4)?It takes sb. +,時間段,+ to do sth.,某人做某事花了,……,時間,,It,takes years to,master a new language.,要花多年的時間才能掌握一門新的語言。,,,【Tip】,此句型可以有以下多變種變體：,,,It,took me an hour to write the letter.,,=The letter took me an
11、 hour (to write).,,=I took an hour to write the letter.,(5)?It is up to sb to do sth.,該由某人做某事,,It’s up to you to to make the choice.,得由你來作選擇。,,(6)?it look (seem, appear, happen, occur) that [as if]…,似乎,……,,It seemed as though he didn’t recognize me.,他似乎沒認出我來。,,It happened that I was out when he call
12、ed.,他打電話時我碰巧不在家。,,(7)?If it were not for…?/ If it hadn’t been for…,若不是因為,……,,If it were not for their help, we couldn’t have got over the difficulties.,要不是他們幫助，這些困難我們不克服不了的。,四、,it,用作形式賓語,1.,基本用法,,當不定式、動名詞、從句等復雜成分用作賓語且其后跟有賓語補足語時，通常會在賓語補足語前使用形式賓語，而將真正的賓語移至句末。,,其基本結構為,“動詞,+it+,賓語補足語,+,不定式,(,動名詞或從句,)”,。
13、,如：,,I find,it,difficult to do the job well.,我發(fā)現(xiàn)做好這件事不容易。,,I think,it,best that you should stay here.,我認為你最好住這兒。,,We think,it,no use complaining.,我們認為抱怨是沒有用的。,,2.,用作形式賓語的幾個特殊結構,,(1),動詞,+ it + that-,從句。,如：,,I like,it,that you came.,你來了，我很高興。,,I take,it,(that) he will come on time.,我認為他會準時來的。,,You can
14、 put,it,that it was arranged before.,你可以說這是以前安排的。,,Rumor has,it,that the defence minister will soon resign.,據(jù)傳聞，國防部長不久就要辭職。,,【,說明,】,能用于此結構的動詞不多，常見的有,,have, take, put, like,等。,,(2),動詞,,+ it + when (if)-,從句。,如：,,I dislike,it,when you whistle.,我不愛聽你吹口哨。,,We really appreciate it when she offered to help
15、.,她來幫忙了，我們十分感激。,,I’d prefer it if I didn’t have to do so much work.,要是我不必做那么多工作，好就太好了。,,【,說明,】,能用于此結構的動詞不多，常見的有,,enjoy, hate, love, like, dislike, appreciate, prefer,等。,(3),動詞,+ prep + it + that-,從句。,如：,,See to,it,that you’re not late again.,注意千萬不要再遲到。,,Look to,it,that this doesn’t happen again.,注意不
16、要再發(fā)生這種事。,,You may rely on,it,that he’ll come to meet you.,你放心，他會來接你的。,,I can’t answer for,it,that he will come.,我不能保證他會來。,,【,說明,】,能用于此結構的動詞不多，常見的有,see to, look to, insist on, stick to, depend on, answer for,等。,,(4),動詞,+ it +,介詞短語,+ that-,從句。,如：,,I owe,it,to you that I am still alive.,多虧有你我才仍然活著。,,I
17、took,it,for granted that he would help us.,我認為他會幫助我們的。,,【,說明,】,能用于此結構的動詞不多，常見的有,take,it,for granted, bring,it,to sb’s attention, owe,it,to sb,等。,五、用于強調句型中,1) It + be+,被強調部分,+ that/who (a person),從句,I,,met,Tom,,in,,the,,park,yesterday.,1),It was,,I,,who,,met Tom in the park yesterday.,2),It,,was,,Tom
18、,,who,I met in the park yesterday.,3),It,,was,,in the park,,that,,I met Tom yesterday.,4),It,,was,,yesterday,,that,I met Tom in the park.,,2) It is not until +,被強調的部分,+ that…,,該句型也是強調句型，主要用于強調時間狀語，譯成“直到,…,才,…”,，可以說是,not… until…,,的強調形式。,,It,was not until she took off her dark glasses that I realized
19、she was a famous film star.,,= Not until she took off her dark classes did I realize she was a famous film star.,,= I didn’t realize she was a famous film star until she took off her dark glasses.,六、,i,t,常用的固定搭配,1.,,make it,,1),在口語當中相當于,succeed,,,表示,:,成功、做到、說定、趕上、及時到達 如,:,,It's hard to make,it,to
20、the top in show business.,,2,),在口語中相當于,fix the date for,,,表示“約定好時間” 如,:,,—Shall we meet next week,?,,—OK. We just make,it,next Saturday.,,2. take it/things easy,,相當于,Don,’,t worry.,用來勸告別人,,,表示“不要慌,,,別擔心,, ”,,Take it easy,！,He will do,it,well.,,,3. It all depends/that all depends,,在口語中,,,相當于,it ha
21、sn‘t been decided yet,,,表示“那得看情況,,,還沒有定下來”,,—Are you going to the countryside for holiday,?,,—,It,/That all depends.,,,4. It's up to sb.,,在口語中,,,相當于,it's decided by sb.,表示“由,……,決定,,,由,……,負責,,,取決于,……”,,,—Shall we go out for dinner,？,,,—,It,'s up to you.,,It’s time,后的從句用 虛擬語氣,一、基本用法,,從句謂語通常用,過去式,表示現(xiàn)在或
22、將來，有時也用過去進行時或“,should+,動詞原形”,(should,不能省略,),，其意為“,(,早,),該干某事了”：,,I think,It’s time,you went to bed.,我想你該睡覺了。,,It’s time,we went [were going, should go].,我們該走了。,,I’m getting tired.,It’s time,we went home.,我累了，我們該回家了。,,I think,it’s time,they were taught a lesson.,我想現(xiàn)在該給他們一點教訓了。,,It’s time,you looked a
23、head and made plans for your retirement.,是你為以后想一想并對退休后的生活做出安排的時候了。,,二、同義表達,,該是孩子們上床的時間了。,,It’s time,the kids,were,,in bed.,,=,It’s time,for the kids,to,,be in bed.,,,It is time,that the children,went,,to bed.,,=,It is high time,that the children,should go,to bed.,三、兩點說明,,(1),time,前有時有,about,和,high,修飾：,,It’s high time we left.,我們早該動身了。,,It’s high time you bought a new car.,你該買輛新車了。,,I think it’s high time that she made up her mind.,我想她該拿定主意了。,,It’s high time they began to take you seriously.,現(xiàn)在他們應該開始認真對待你了。,,(2),,與其他的虛擬結構不同，該結構,不能,在該用,was,時而用,were,：,,It’s time I was in bed.,我該上床睡了。,(,不用,were),
it用法總結(高三總復習)ppt課件
