新人教選修6Unit3AhealthylifeGrammarIt的用法課件PPT學(xué)習(xí)教案

1、會(huì)計(jì)學(xué)1新人教選修新人教選修6Unit3AhealthylifeGrammarIt的用法課的用法課件件1. due to 6. stress 2. addicted 7.quit 3. eventually 8. drugs4. manage 9. alcohol5. cigarettes 10. adolescentsRevisionComplete the passage with the suitable words and phrases in their proper forms.第1頁/共28頁 Smoking _, drinking _ or taking other_ prod

2、uce many harmful effects and have no real benefits. So why do _do it? Some begin because they believe it makes them look cool. Others think it will help with _. In their life possibly _ pressure from their parents or teachers.cigarettesalcoholdrugsadolescentsstress due to第2頁/共28頁 Some just want to s

3、ee what it is like. What they dont realize is that they will get into the habit and _ become _. It will then be difficult to _the habit. A few people _to quit easily but for many it is a very painful process. Of course, the best way to deal with these drugs is not to start in the first place.eventua

4、llyaddicted quitmanage第3頁/共28頁 The use of “it”第4頁/共28頁Discovering “It”1. It rains heavily. 2. It is 20 kilometers from Granddads house to James.3. It is November 11, 2005.4. It is 9 oclock at night. 5.Itll be lovely in the garden tonight 6. It is bad to smoke.7. It is likely that he will succeed.天氣天

5、氣距離距離日期日期時(shí)間時(shí)間形式主語形式主語環(huán)境環(huán)境形式主語形式主語第5頁/共28頁1. it的最基本用法是作代詞，主要指剛提到的的最基本用法是作代詞，主要指剛提到的事物，以避免重復(fù)事物，以避免重復(fù):Xian is a beautiful city, isnt it?2. 也可以指動(dòng)物或嬰兒也可以指動(dòng)物或嬰兒(未知性別的嬰兒或孩未知性別的嬰兒或孩子子):Is this your dog？No, it isnt.一、一、it 作人稱代詞作人稱代詞3.-Someone is ringing.Who might it be ? -It must be my friend Tom. He wants t

6、o see you.第6頁/共28頁it有時(shí)并不指具體的東西，而泛指天氣、時(shí)間、日期、有時(shí)并不指具體的東西，而泛指天氣、時(shí)間、日期、距離、價(jià)值、度量、溫度、環(huán)境等，稱為非人稱的距離、價(jià)值、度量、溫度、環(huán)境等，稱為非人稱的it：指天氣：指天氣：It is a lovely day, isnt it?It is a bit windy.2. 指時(shí)間指時(shí)間: It was nearly midnight when she came back.3. 指環(huán)境指環(huán)境: It was very quiet in the caf. 4. 指距離：指距離：It is half an hours walk to

7、the city centre from my home.二、二、it作非人稱代詞作非人稱代詞 第7頁/共28頁5. 指日期：指日期：-Whats the date today? -Its May 1, 2007.6. 指季節(jié)：指季節(jié)：It is summer now.7. 指度量：指度量：It is about 5 kilograms.8. 指價(jià)值：指價(jià)值：-Whats the cost of the T-shirt?-It is 150 yuan.第8頁/共28頁替代作主語的從句、動(dòng)詞不定式、動(dòng)名詞，而把真正作主語的從句、動(dòng)詞不定式、動(dòng)名詞置于句尾。三、三、it用作形式主語用作形式主語第9

8、頁/共28頁（1）It be adj.（for sb.）to do sth.此處此處adj. 通常為描述事件的形容詞：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，ill-mannered，polite，impolite，clear，obvious，certain，suitable，proper，fit，useful，useless，dan

9、gerousIt is illegal（for a teenager）to drive a car without a license.1. 代作主語的動(dòng)詞不定式代作主語的動(dòng)詞不定式第10頁/共28頁（2）It be adj. of sb. to do sth.此處此處adj. 通常為描述人的形容詞：通常為描述人的形容詞：kind，unkind，nice，rude，cruel，considerate，thoughtful，thoughtless，careful，careless，silly，foolish，stupid，clever，wise，crazy. Its kind of you to

10、 help me with the problem.第11頁/共28頁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替代作主語的動(dòng)名詞的常見句型替代作主語的動(dòng)名詞的常見句型第12頁/共28頁2. it作形式主語替代主語從句作形式主語替代主語從句 It is clear ( obvious，true，possible, certain ) th

11、at . 該句型中該句型中it 是形式主語，真正的主語是是形式主語，真正的主語是that 引導(dǎo)引導(dǎo)的主語從句，常譯為的主語從句，常譯為“清楚（顯然清楚（顯然, 真的真的）” 是主語從句最常見的一種結(jié)構(gòu)。例如：是主語從句最常見的一種結(jié)構(gòu)。例如： It is very clear that hes round and tall like a tree. It is adj. +clause 第13頁/共28頁It is said (reported/ learned/believed/thought/known/told/hoped.) that . 該句型中的該句型中的it 仍是形式主語，真正主

12、語是仍是形式主語，真正主語是that 引引導(dǎo)的主語從句；該結(jié)構(gòu)常譯為導(dǎo)的主語從句；該結(jié)構(gòu)常譯為“據(jù)說（據(jù)報(bào)道據(jù)說（據(jù)報(bào)道，據(jù)悉），據(jù)悉）”。It is said that he has come to Beijing.It is reported that another earth satellite has been put into orbit.It is v-ed that=sb./sth. is to do 第14頁/共28頁 It is + noun +從句從句 It is a pity (a shame /an honor /a good thing/a fact /a surp

13、rise/. ) that . 該句型中，該句型中，that后的從句一般用虛擬語氣（后的從句一般用虛擬語氣（should + 動(dòng)詞原形），動(dòng)詞原形），should可省去表示出乎意料，常譯可省去表示出乎意料，常譯為為“竟然竟然”。沒有這種意義時(shí)，則不用虛擬語氣。例如。沒有這種意義時(shí)，則不用虛擬語氣。例如：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！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！他生病了，真遺憾！ 第1

14、5頁/共28頁四、四、it作形式賓語作形式賓語 當(dāng)復(fù)合賓語中的賓語是不定式、動(dòng)名詞當(dāng)復(fù)合賓語中的賓語是不定式、動(dòng)名詞賓語從句時(shí)，往往把賓語放在它的補(bǔ)足賓語從句時(shí)，往往把賓語放在它的補(bǔ)足語后面，而用語后面，而用it 作形式賓語，放在賓語作形式賓語，放在賓語補(bǔ)足語之前。補(bǔ)足語之前。 該句型中的該句型中的it 作形式賓語，常用的動(dòng)詞有作形式賓語，常用的動(dòng)詞有think, believe, make, find, consider, feel等。等。 第16頁/共28頁 I think it no use arguing with him.我認(rèn)為和他爭吵沒有用。我認(rèn)為和他爭吵沒有用。 I found

15、it very interesting to studyEnglish.我發(fā)現(xiàn)學(xué)英語非常有趣。我發(fā)現(xiàn)學(xué)英語非常有趣。He made it clear that he was notinterested in this subject.他非常清楚地表示他對(duì)那門學(xué)科不感興趣他非常清楚地表示他對(duì)那門學(xué)科不感興趣。第17頁/共28頁五、用于強(qiáng)調(diào)句型中五、用于強(qiáng)調(diào)句型中It is/was + 被強(qiáng)調(diào)部分被強(qiáng)調(diào)部分 + that/who . It is not until + 被強(qiáng)調(diào)部分被強(qiáng)調(diào)部分 + that . I met Tom in the park yesterday.1) It was I w

16、ho 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 met Tom in the park.It was five oclock _I got home.It was at five oclock_ I got home.whenthat第18頁/共28頁強(qiáng)調(diào)句用以強(qiáng)調(diào)主語，賓語，介詞賓語以及狀語。（強(qiáng)強(qiáng)調(diào)句用以強(qiáng)調(diào)主語，賓語，介詞賓語以及狀語

17、。（強(qiáng)調(diào)人時(shí)用調(diào)人時(shí)用that和和who whom皆可）皆可） It was she who that had been wrong是她錯(cuò)了。是她錯(cuò)了。 ( ) It was the girl whom that I met just now我剛才遇見的就是這個(gè)女孩。我剛才遇見的就是這個(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。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。（所有這一切就是在星期

18、一的晚上發(fā)生的。（ ）主語主語賓語賓語介詞賓介詞賓語語狀語狀語第19頁/共28頁It is not until + 被強(qiáng)調(diào)部分被強(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，譯成漢該句型也是強(qiáng)調(diào)句型。主要用于強(qiáng)凋時(shí)間狀語，譯成漢語語 “直到直到才才”，可以說是，可以說是not . until . 的強(qiáng)的強(qiáng)調(diào)形式。例如調(diào)形式。例如: 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 d

19、ark 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.第20頁/共28頁六、六、It 常用的固定搭配常用的固定搭配 1.make it（1）在口語當(dāng)中相當(dāng)于）在口語當(dāng)中相當(dāng)于succeed，表示：成功，表示：成功、做到、說定、趕上、及時(shí)到達(dá)、做到、說定、趕上、及時(shí)到達(dá) 例例 Its hard to make it to the top in show business.（2）在口語

20、中相當(dāng)于）在口語中相當(dāng)于fix the date for，表示，表示“約定好時(shí)間約定好時(shí)間”例例 Shall we meet next week？OK. We just make it next Saturday.第21頁/共28頁2. take it/things easy 相當(dāng)于相當(dāng)于Dont worry or dont hurry. 用來勸告別人用來勸告別人，表示，表示“不要慌，別擔(dān)心，沉住氣不要慌，別擔(dān)心，沉住氣”Take it easy！ He will do it well.3. It all depends/that all depends 在口語中，相當(dāng)在口語中，相當(dāng)于于it

21、hasnt been decided yet，表示，表示“那得看情況那得看情況，還沒有定下來，還沒有定下來” Are you going to the countryside for holiday？It/That all depends.4. Its up to sb. 在口語中，相當(dāng)于在口語中，相當(dāng)于its decided by sb. 表示表示“由由決決定，由定，由負(fù)責(zé)，取決于負(fù)責(zé)，取決于”Shall we go out for dinner？Its up to you.第22頁/共28頁Rewrite the following sentences, using “Its that”.

22、Exercises第23頁/共28頁1. Im still fit enough to cycle 20 kilometers in an afternoon. That is amazing.2. My father has quit smoking. That is wonderful.3. You could suffer from bad health if you keep smoking. ( It is likely).4. China produces one third of the worlds cigarettes. It is reported.It is amazing that I am still fit enough to cycle 20 kilometers in an afternoon.It is wonderful that my fath