高中英語(yǔ)選修6-3語(yǔ)法課件

1、GrammarThe use of “it”Talk about the following pictures, using It is no use/good doing sth 做沒(méi)有用/不好It is fun doing sth 做很有趣還想跑？甭想！想追我?沒(méi)門(mén)！ It is never too old to learn. 活到老, 學(xué)到老。 It is easier to fall than to rise. 摔倒容易爬起來(lái)難。 It is no use crying over spilt milk. 覆水難收。 It never rains but it pours(潑水). 不鳴

2、則已, 一鳴驚人。Proverbs(諺語(yǔ)) with “It” It is easy to open a shop but hard to keep it always open. 創(chuàng)業(yè)容易守業(yè)難。 It takes three generations (代) to make a gentleman. 十年樹(shù)木, 百年樹(shù)人。It is obvious that the water was to blame.It is true that he will treat me to breakfast tomorrow.It is certain that our class will do a g

3、ood job in the final exam.Is it possible that he will become the chairman of our country?It is amazing that at my age I still look like a student!分析: it是 _, 句子真正的主語(yǔ)是_。Read and analyze the sentences.形式主語(yǔ)that引導(dǎo)的主語(yǔ)從句牢記以下常用于該句型的形容詞It is clear/obvious/true/possible/certain/amazing/ridiculous等+ that從句.思考:

4、 為什么要用it做形式主語(yǔ)而把真正主語(yǔ)放到后面去?遵循英語(yǔ)語(yǔ)言的尾重原則, 避免句子頭重腳輕。三、用以表示時(shí)間、距離、天氣、氣候、季節(jié)、環(huán)境It is half past eight now.Its only half an hours walk from here to our school.3) I hope that it will be fine tomorrow.4) It has rained much this year.5) Its spring now.6) Its quiet here.Time Distance Weather Weather Season Circums

5、tance 替代作主語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞, 而把真正作主語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞置于句尾。四、it 用作形式主語(yǔ)1. 代作主語(yǔ)的動(dòng)詞不定式1) It be adj. (for sb.) to do sth.此處adj. 通常為描述事件的形容詞: easy, difficult, hard, necessary, unnecessary, possible, impossible, likely,unlikely, right, wrong, important, unimportant, legal, illegal, well-mannered（彬彬有禮的、氣質(zhì)高雅的,） ill

6、-mannered（沒(méi)規(guī)矩的粗魯?shù)模? polite, impolite,clear, obvious, certain, suitable, proper, fit, useful，dangerousIt is illegal (for a teenager) to drive a car without a license.2) It be adj. of sb. to do sth.此處adj. 通常為描述人的形容詞: kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, carel

7、ess, silly, foolish, stupid, clever, wise, crazy.Its kind of you to help me with the problem.Its no good/use doingIts (well) worth doingIts (well) worth ones while doing/to doIts (well) worth while doing/ to doIts no use crying over spilt milk.3) It替代作主語(yǔ)的動(dòng)名詞的常見(jiàn)句型2. it作形式主語(yǔ)替代主語(yǔ)從句It is clear ( obvious

8、, true, possible, certain ) that .該句型中it 是形式主語(yǔ), 真正的主語(yǔ)是that 引導(dǎo)的主語(yǔ)從句, 常譯為“清楚(顯然, 真的)”, 是主語(yǔ)從句最常見(jiàn)的一種結(jié)構(gòu)。e.g. It is very clear that hes round and tall like a tree. It is adj. + clause It is + noun + 從句 It is a pity (a shame /an honor /a good thing/a fact /a surprise/. ) that . 該句型中, that后的從句一般用虛擬語(yǔ)氣(should

9、 + 動(dòng)詞原形), should可省去。表示出乎意料, 常譯為“竟然”。沒(méi)有這種意義時(shí), 則不用虛擬語(yǔ)氣。如：It is a pity that such a thing (should) happen in your class. 這種事竟然發(fā)生在你們班上, 真是遺憾！It is a pity that he is ill. 他生病了, 真遺憾！I think it no use arguing with him.我認(rèn)為和他爭(zhēng)吵沒(méi)有用。I found it very interesting to study English.我發(fā)現(xiàn)學(xué)英語(yǔ)非常有趣。He made it clear that h

10、e was notinterested in this subject.他非常清楚地表示他對(duì)那門(mén)學(xué)科不感興趣。 六、用于強(qiáng)調(diào)句型中It + be+被強(qiáng)調(diào)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 who I met in the park yesterday.3) It was in the park that I met Tom yesterday.4) It was yesterday that I m

11、et Tom in the park.It was five oclock _ I got home.It was at five oclock _ I got home. whenthatIt is not until + 被強(qiáng)調(diào)部分 + that . 該句型也是強(qiáng)調(diào)句型。主要用于強(qiáng)凋時(shí)間狀語(yǔ), 譯成漢語(yǔ) “直到才”, 可以說(shuō)是not . until . 的強(qiáng)調(diào)形式。如: It was not until she took off her dark glasses that I realized she was a famous film star. = Not until she took

12、 off her dark glasses did I realize she was a famous film star. = I didnt realize she was a famous film star until she took off her dark glasses.It was not _ she took off her dark glasses _ I realized she was a famous film star. (92)A. when, that B. until, when C. until, that D. when, then2) It was

13、not until _ that _ to prepare his lessons. (91)A. did his father come in, the boy beganB. did his father come in, did the boy beginC. his father came in, did the boy beginD. his father came in, the boy beganC D 強(qiáng)調(diào)句用以強(qiáng)調(diào)主語(yǔ), 賓語(yǔ), 介詞賓語(yǔ)以及狀語(yǔ)。(強(qiáng)調(diào)人時(shí)用that和who/whom皆可)It was she who that had been wrong是她錯(cuò)了。 ( )

14、 It was the girl whom that I met just now我剛才遇見(jiàn)的就是這個(gè)女孩。 ( ) It was Tom to whom the teacher had talked老師與其談話的那個(gè)人是湯姆。 ( ) It was on Monday night that all this happened所有這一切就是在星期一的晚上發(fā)生的。( )主語(yǔ)賓語(yǔ)介詞賓語(yǔ)狀語(yǔ)七、it 常用的固定搭配 make it在口語(yǔ)當(dāng)中相當(dāng)于succeed, 表示: 成功、做到、說(shuō)定、趕上、及時(shí)到達(dá) 如: Its hard to make it to the top in show busin

15、ess.2) 在口語(yǔ)中相當(dāng)于fix the date for, 表示“約定好時(shí)間” 如: Shall we meet next week?OK. We just make it next Saturday.4. Its up to sb. 在口語(yǔ)中, 相當(dāng)于its decided by sb. 表示“由決定, 由負(fù)責(zé), 取決于” Shall we go out for dinner？ Its up to you.It用在不能直接跟賓語(yǔ)從句的動(dòng)詞后面尤其是表示好惡的動(dòng)詞enjoy / like / love / appreciate dislike / hate / resent(憎恨)take

16、 / dont mind / be fond of / feel like / see (to it) that留意；負(fù)責(zé)；務(wù)必；照料e.g: I take it that(我以為/我認(rèn)為) you dont agree with me. 我的理解是：你不同意我的意見(jiàn)catch it (口語(yǔ)) 被責(zé)罵; 受處罰e.g. If I come home late Ill catch it from my mother. 如果我回家晚了, 我媽媽會(huì)罵我。 Youll catch it because of your carelessness. 你會(huì)因?yàn)槟愕牟恍⌒氖芴幜P的。it的一些習(xí)慣用法How i

17、s it with your study? 學(xué)習(xí)好嗎？Thats it . 這就對(duì)了。It went hard with him. 他身遇不幸。It is all over with me. 我完蛋了。We must fight it out.我們必須堅(jiān)持到底。I cant help it. 我沒(méi)有辦法。高考鏈接1. He didnt make _ clear when and where the meeting would be held. (天津2007) A. this B. that C. it D. these 2. _ is our belief that improvements

18、 in health care will lead to a stronger, more prosperous economy. (浙江2006)A. As B. ThatC. This D. ItCD3. The doctor advised Vera strongly that she should take a holiday, but _ didnt help. (2005全國(guó))A. it B. she C. which D. he4. Id appreciate _ if you would like to teach me how to use the computer. (山東

19、2006)A. thatB. it C. this D. youAB5. It was _ he came back from Africa that year_ he met the girl he would like to marry. (江西2009)A. when; then B. not; untilC. not until; that D. olny, when6. It was along the Missippi River _Mark Twain spent much of hid childhood.(天津2008)A. how B. which C. that D. w

20、hereC C 改錯(cuò)You wont find difficult to get to the city center. (2004全國(guó))2. I know there is not easy to be a teacher. (2004湖北)3. This is not surprising that the Silver Ghost was regarded as “the best car in the world”.find后加itthere itThis ItExercises:1. I hate _ when people talk with their mouths full.

21、A. it B. that C.these D. them 2. In which play is _ your brother will appear? A. that where B. this when C. it that D. it where3. _ the harder you work, the better result youll get. A. Its believed that B. What we believed that C. Its fact D. What the fact isACA4. Nothing can stop us, _? A. cant it

22、B. can it C. cant we D. can we5. -Can you tell us how the war was won in the end ? - I dont know, _. A. Its hard to say B. It doesnt matter C. Its no use saying D. It depends on the workBA6. Does _ matter a lot whether she will come here by bus or by taxi? A. The thing B. that C. it D. her mother7. -Listen! Someone is unlocking the goods. -_ must be your father coming back from Beijing. A. It B. There C. That D. ThisCA8. -Have you written a letter to her ? -No, but Im going to write _ tonight. A. it B. that C. those D. one9. -