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1、Part2 考點(diǎn)14考點(diǎn)考點(diǎn)14 It的用法的用法1.主要考查的知識(shí)點(diǎn)：(1)it作形式主語(yǔ)、賓語(yǔ)(2)it強(qiáng)調(diào)句的結(jié)構(gòu)(3)it的其他固定用法2.復(fù)習(xí)重點(diǎn)：(1)it作形式主語(yǔ)、賓語(yǔ)的用法(2)it用于強(qiáng)調(diào)句的用法(3)it的固定句型1. it作人稱代詞的用法(1) Its a tree. (2) I have a new bike. It ( The bike) was given to me as my birthday present by my parents. (3) Who is it knocking at the door? It must be Leo. He said h

2、ed come to see me.(4) It is spring now and its warm these days.(5) Its time that we should clean the house. Its time that we cleaned the house.1. it作人稱代詞的用法(6) It is three years since I became a doctor. 我當(dāng)醫(yī)生已經(jīng)3年了。 (7) It is three years since he was a doctor. 他不當(dāng)醫(yī)生已經(jīng)3年了。(8)It is the second time that

3、she has visited the Great Wall.1. it作人稱代詞的用法(9)It was evening when we got home. It was evening in which we got home.(10) It was five years before they finally graduated from Beijing University. 過(guò)了5年他們才從北大畢業(yè)。(11) It wont be long before we graduate from our school. 不久，我們就要從學(xué)校畢業(yè)了。1. 指代除了人以外的一切事物，如：(1)。

4、2. 指代上文提過(guò)的事物，相當(dāng)于“the 名詞(單數(shù))”或替代上文的this / that，意指同類同物，如：(2)。3. 指代人時(shí)，常指小孩或身份不明的人，如：(3)。4. 指代時(shí)間、季節(jié)、天氣、溫度、距離、環(huán)境、情況等自然現(xiàn)象，如：(4)?！咀⒁狻?it指代時(shí)間的句型有：(1)It is time for sth. / (for sb.) to do sth. / that從句(should do/ did，必須用虛擬語(yǔ)氣)，如：(5)。(2)It is /has been some time since從句 (從句用一般過(guò)去時(shí)) 此句型中，若從句的謂語(yǔ)為非持續(xù)性動(dòng)詞，句意為“自從以來(lái)已有

5、多長(zhǎng)時(shí)間了”；若從句的謂語(yǔ)為持續(xù)性動(dòng)詞，句意為“有多長(zhǎng)時(shí)間沒(méi)有做了”，如：(6)、(7)。(3)It / This is the first /secondtime that從句(必須使用現(xiàn)在完成時(shí))句意為“某人第次做了某事”，如：(8)。(4)It was 時(shí)間點(diǎn) when從句，句意為“當(dāng)時(shí)，已經(jīng)是時(shí)間了”，如：(9)。(5)It was / will be some time before從句，句意為“過(guò)了時(shí)間才”；其否定句It wasnt / wont be some time before從句，句意為“沒(méi)過(guò)時(shí)間就”，如：(10)、(11)。2it作非人稱代詞的用法(1) It is g

6、ood for you to take part in social activities.(2) It looks as if he is ill. (3) It happened that Mary was there too.(4) It seems that he is right. (5) How did it come about that so many people were attacked?(6) Mobile phones make it possible for us to keep in touch anywhere.2it作非人稱代詞的用法(7) I conside

7、r it no good chatting with strangers through the Internet.(8) I really find it a pity that you didnt come to the party.(9) I hate it when people speak with their mouths full.(10) I really appreciate it if you could help me with my math.(11) You can depend upon it that we wont give up.(12) It was Edi

8、son who invented the lamp.2it作非人稱代詞的用法(13) It is I that am going to be sent there.(14) He didnt go to bed until_he_finished_his_homework. It wasnt until he finished his homework that he went to bed. (15) It was because he got there late that we didnt catch the first bus. (16) Was it not until he fin

9、ished his homework that he went to bed?(17)When was it that he went to bed?1it 作形式主語(yǔ) 當(dāng)不定式、動(dòng)名詞短語(yǔ)或從句作主語(yǔ)時(shí)，為平衡句子，通常用it 作形式主語(yǔ)，而將真正的主語(yǔ)移到句子的末尾，如：(1)。 用于某些固定句型中：It looks / sounds as if從句，句意為“看起來(lái)好像；聽(tīng)起來(lái)好像”，如：(2)。 It happens that從句，句意為“碰巧”，如：(3)。 It appears / seems that從句，句意為“看來(lái)”，如：(4)。 How did it come about t

10、hat從句，句意為“怎么發(fā)生的？”，如：(5)。 It is no good/use doing sth. 句型，句意為：“沒(méi)有用?！?It doesnt matter/ makes no difference 特殊疑問(wèn)詞/whether / if 從句。 It turned out that從句，意為“結(jié)果是，證明是”。 It occurred to / hit sb.that從句，意為“某人突然想到了”。 It is no/little wonder that從句，意為“難怪”。2it 作形式賓語(yǔ) 當(dāng)不定式、動(dòng)名詞短語(yǔ)或從句作賓語(yǔ)時(shí)，有些情況須用it 作形式賓語(yǔ)。 think / cons

11、ider / find / feel / make / believe / regard it adj./n. (for sb.) to do，如：(6)。 think / consider / find / feel it no good / use doing sth.，如：(7)。 believe / imagine / think / consider / find / feel / (make) / regard / it adj. / n. that從句，如：(8)。 hate / dislike / love / like it when從句，如：(9)。 appreciate

12、it if從句，如：(10)。 see to/ answer for it that從句；depend on it that從句，如：(11)。3it引導(dǎo)強(qiáng)調(diào)句型 強(qiáng)調(diào)句結(jié)構(gòu) “It is / was 被強(qiáng)調(diào)部分 that / who 句子的其余部分”。 It是引導(dǎo)詞，被強(qiáng)調(diào)部分可以是句子的主語(yǔ)、賓語(yǔ)、狀語(yǔ)。如果被強(qiáng)調(diào)的部分是人，that 可用who代替，其他情況一律用that；原句中用的是過(guò)去的某種時(shí)態(tài)， 用it wasthat/who，原句中用的是現(xiàn)在或?qū)?lái)的某種時(shí)態(tài)，用it isthat，如：(12)。 【注意】 強(qiáng)調(diào)句中的被強(qiáng)調(diào)部分不能是定語(yǔ)或謂語(yǔ)。 在強(qiáng)調(diào)句型中，當(dāng)強(qiáng)調(diào)主語(yǔ)時(shí)，tha

13、t后面的謂語(yǔ)動(dòng)詞須與that前面的主語(yǔ)一致，如：(13)。 在notuntil結(jié)構(gòu)中，若強(qiáng)調(diào)until部分時(shí)，not 要提前到until前，until后面的部分一起被強(qiáng)調(diào)，即：It wasnt untilthat 句子的其余部分，如：(14)。 當(dāng)強(qiáng)調(diào)原因時(shí)，只能強(qiáng)調(diào)because引導(dǎo)的原因狀語(yǔ)從句，而as, since, for等連接原因不能被強(qiáng)調(diào)，如：(15)。 強(qiáng)調(diào)句的一般疑問(wèn)句形式：Is/Was it 被強(qiáng)調(diào)部分 that 句子的其余部分，如：(16)。 強(qiáng)調(diào)句的特殊疑問(wèn)句形式：特殊疑問(wèn)詞 is/was it that 句子的其余部分，如：(17)。4it 的一些習(xí)慣用法 (Youve

14、/Ive) Got it. 懂了，明白了。 Forget it 算了吧，別在意，沒(méi)關(guān)系。 Take it easy. 別著急，慢慢來(lái)；別過(guò)于緊張。 make it 辦得到，做成功 make it 時(shí)間 把定在(某時(shí)) It / That (all) depends. 那要看情況而定。 It cant be helped. 沒(méi)有辦法/這是不可避免的。 It is hard to say. 情況很難說(shuō)。 It comes to nothing. 沒(méi)有什么結(jié)果。 Dont mention it. 不用謝。 Thats it. 對(duì)了；正是。 catch it (口語(yǔ)) 被責(zé)罵； 受處罰 Believe it or not. 信不信由你。 It doesnt matter. 沒(méi)有關(guān)系； 不要緊。 When it comes to 當(dāng)談到； 當(dāng)涉及到 keep it up 再接再厲5. it, one, ones, that和those的區(qū)別 it指的是同名同物，相當(dāng)于the名詞； one 指的是同名異物，表示單數(shù)可數(shù)名詞相當(dāng)于a 名詞；用作a/an形容詞one，等于a/an形容詞名詞；復(fù)數(shù)形式用ones； that后面常有后置定語(yǔ)，有特指意義，代替不可數(shù)名詞或單數(shù)可數(shù)名詞，相當(dāng)于the名詞； 復(fù)數(shù)名詞用those，相當(dāng)于the ones。