高中英語選修語法

1、高中英語選修語法第1頁，共29頁，2022年，5月20日，11點12分，星期四 Smoking _, drinking _ or taking other_ produce 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

2、teachers.cigarettesalcoholdrugsadolescentsstress due to第2頁，共29頁，2022年，5月20日，11點12分，星期四 Some just want to see 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 pa

3、inful process. Of course, the best way to deal with these drugs is not to start in the first place.eventuallyaddicted quitmanage第3頁，共29頁，2022年，5月20日，11點12分，星期四Grammar The use of “it”第4頁，共29頁，2022年，5月20日，11點12分，星期四Discovering “It” It rains heavily. 2. It is 20 kilometers from Granddads house to James

4、.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.天氣距離日期時間形式主語環(huán)境形式主語第5頁，共29頁，2022年，5月20日，11點12分，星期四1. it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):Xian isabeautifulcity, isntit?2. 也可以指動物或嬰兒(未知性別的嬰兒或孩子):Is this yo

5、ur dog？No, it isnt.一、it 作人稱代詞第6頁，共29頁，2022年，5月20日，11點12分，星期四it有時并不指具體的東西，而泛指天氣、時間、日期、距離、價值、度量、溫度、環(huán)境等，稱為非人稱的it：指天氣：It is a lovely day, isntit?It is a bit windy.2. 指時間: It was nearly midnight when she came back.3. 指環(huán)境: It was very quiet inthecaf. 4. 指距離：It is half an hourswalkto the city centre from m

6、y home.二、it作非人稱代詞 第7頁，共29頁，2022年，5月20日，11點12分，星期四5. 指日期：-Whats the date today? -Its May 1, 2007.6. 指季節(jié)：It is summer now.7. 指度量：It is about 5 kilograms.8. 指價值：-Whats the cost of the T-shirt?-It is 150 yuan.第8頁，共29頁，2022年，5月20日，11點12分，星期四替代作主語的從句、動詞不定式、動名詞，而把真正作主語的從句、動詞不定式、動名詞置于句尾。三、it用作形式主語第9頁，共29頁，2

7、022年，5月20日，11點12分，星期四（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，ill-mannered，polite，impolite，clear，obvious，certain，suitable，proper，fit，useful，useless，da

8、ngerousIt is illegal（for a teenager）to drive a car without a license.1. 代作主語的動詞不定式第10頁，共29頁，2022年，5月20日，11點12分，星期四（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，careless，silly，foolish，stupid，clever，wise，crazy. Its kind of you t

9、o help me with the problem.第11頁，共29頁，2022年，5月20日，11點12分，星期四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替代作主語的動名詞的常見句型第12頁，共29頁，2022年，5月20日，11點12分，星期四2. it作形式主語替代主語從句 It is clear ( obvious，true，

10、possible, certain ) that . 該句型中it 是形式主語，真正的主語是that 引導(dǎo)的主語從句，常譯為“清楚（顯然, 真的）” 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29頁，2022年，5月20日，11點12分，星期四It is said (reported/ learned/believed/thought/known/told/hoped.) that . 該句型中的it 仍是形式主語，真正主語是that 引導(dǎo)的主

11、語從句；該結(jié)構(gòu)常譯為“據(jù)說（據(jù)報道，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29頁，2022年，5月20日，11點12分，星期四 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

12、的從句一般用虛擬語氣（should + 動詞原形），should可省去表示出乎意料，常譯為“竟然”。沒有這種意義時，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！It is a pity that he is ill. 他生病了，真遺憾！ 第15頁，共29頁，2022年，5月20日，11點12分，星期四四、it作形式賓語 當復(fù)合賓語中的賓語是不定式、動名詞賓語從句時，往往把賓語放在它的補足語后面，而用it 作形式賓語，放在賓語補足語之前。 該句型中的it 作形

13、式賓語，常用的動詞有think, believe, make, find, consider, feel等。 第16頁，共29頁，2022年，5月20日，11點12分，星期四 I think it no use arguing with him.我認為和他爭吵沒有用。 I found it very interesting to studyEnglish.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那門學(xué)科不感興趣。第17頁，共29頁，2022年，5月20日，11點12分，星期四

14、五、用于強調(diào)句型中It is/was + 被強調(diào)部分 + that/who . It is not until + 被強調(diào)部分 + that . 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 met Tom in the park.It was fi

15、ve oclock _I got home.It was at five oclock_ I got home.whenthat第18頁，共29頁，2022年，5月20日，11點12分，星期四強調(diào)句用以強調(diào)主語，賓語，介詞賓語以及狀語。（強調(diào)人時用that和who whom皆可） It was she who that had been wrong是她錯了。 ( ) It was the girl whom that I met just now我剛才遇見的就是這個女孩。 ( ) It was Tom to whom the teacher had talked老師與其談話的那個人是湯姆。 （

16、 ） 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。（ ）主語賓語介詞賓語狀語第19頁，共29頁，2022年，5月20日，11點12分，星期四It is not until + 被強調(diào)部分 + that . 該句型也是強調(diào)句型。主要用于強凋時間狀語，譯成漢語 “直到才”，可以說是not . until . 的強調(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

17、 until she took 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.第20頁，共29頁，2022年，5月20日，11點12分，星期四六、It 常用的固定搭配 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 例 Its hard to make it to the top in show business

18、.（2）在口語中相當于fix the date for，表示“約定好時間”例 Shall we meet next week？OK. We just make it next Saturday.第21頁，共29頁，2022年，5月20日，11點12分，星期四2. take it/things easy 相當于Dont worry or dont hurry. 用來勸告別人，表示“不要慌，別擔心，沉住氣”Take it easy！ He will do it well.3. It all depends/that all depends 在口語中，相當于it hasnt been decided

19、 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. Its up to sb. 在口語中，相當于its decided by sb. 表示“由決定，由負責(zé)，取決于”Shall we go out for dinner？Its up to you.第22頁，共29頁，2022年，5月20日，11點12分，星期四Rewrite the following sentences, using “Its that”.Exercises第23頁，共29頁，2022年，5月20日，

20、11點12分，星期四I. 單項選擇1. He didnt make _ clear when and where the meeting would be held. (天津) A. this B. that C. it D. these 2. _ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (浙江)A. As B. ThatC. This D. It高考實例第24頁，共29頁，2022年，5月20日，11點12分，星期四3. The docto

21、r advised Vera strongly that she should take a holiday, but _ didnt help. (全國卷III)A. it B. she C. which D. he4. Id appreciate _ if you would like to teach me how to use the computer. (山東)A. thatB. it C. this D. you第25頁，共29頁，2022年，5月20日，11點12分，星期四Im still fit enough to cycle 20 kilometers in an after

22、noon. 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 father has quit smoking.It is likely that you could suffer from bad health if you keep