浙江省台州市天台县平桥第二中学高中英语 unit3 Grammar课件 新人教版选修6.ppt

1、选修6 unit3 learning about languageWord-consolidation-I(2m)Answer key for Exercise 1:1.quit,tough2.accustomed to3.ashamed(of her)4.desperate5.(The)alcoholic(effects)6.strengthen(your muscles)7.pregnant8.disappointed9.decide onDiscovering useful words and expressionsPage 20Answer key for Exercise 2:Wor

2、d-consolidation-II(2m)cigarettes,alcohol,effects,adolescents,tough,stress,due to,addicted to,mental,quit,unfit,withdrawalThe use of“it”Unit 3 Grammar人称代词ite.g.The frog is not a warm-blood animal.Its a cold-blooded one.（物）e.g.Its a sad thing.Just forget it.（事情）e.g.-whos that?-Its me.Open the door,ple

3、ase.()代替前文提到的人/物/事情,在句中做主语或宾语.人当it用于指人时，主要指身份性别不明的人.若指性别身份明确的人，则应根据情况使用he或she。I.用作人称代词非人称代词itIt 用作非人称代词，常作主语，表示时间/天气/金钱/距离等。1.Its a long time since we met last time.（）2.Its a warm sunny afternoon.（）3.It is such a big money.()4.Its five minutes walk.（）.IIIt 用作非人称代词:weathertimemoneydistanceD1.Someone

4、is ringing the doorbell.Go and see_ A.who is he B.who he is C.who is it D.Who it is2.The Parkers bought a new house but _ will need a lot of work before they can move in.A.they B.it C.one D.whichB3.-I lost my favorite pen.-why dont you buy _?A.it B.that C.one D.this C4.I like this house with a garde

5、n in front,but I dont have enough money to buy _.A.one B.it C.this D.that解析：本题考查替代词it和one的区别。it指特定的同一个事物=the+名词；one替代同类的任一个人或物=“a+名词”。that 替代不可数名词，常用于比较句。B形式主语itto do结构：It is/was+a./n./eddoingclause-Its not a good habit to smoke.-It is no use/good arguing with him.-It is a pity that you didnt follow

6、 my advice.III.作形式主语,It 用作形式主语，代替真正的主语不定式，动名词，或从句，放在句首。It is difficult for me to do the job.1)It+is/was+adj.+It is very clever of you to finish it.这个adj.是描述某人的品质，性格。Of sb kind，nice,clever,polite,foolish etc.for sb to do sth.of sb to do sth.difficult，easy，important,dangerous，possible，impossible.etc f

7、or sbOf sb or for sb It is dangerous _children to play with fire.forIt is kind _ the man stop in time.of运动是个好习惯(habit)It is a good habit to take exercise喝酒是不好的行为。（manner）It is bad manners to drink alcohol.2)It is/was+n+to do/that你天天运动真是个好习惯事实上你昨天又喝酒了It is a good habit that you take exercise every da

8、y.It was a fact that you drank alcohol yesterday.It is no use_ over the spilt milk.What has done cant be undone.A.crying B.to cryIt is no use doing sth2)It+is(no)good/use doing sth=it is of no good/use doing sth干是没用的It is no fun doing sth=it is of no fun doing sth 干是没趣味的3 It+is/was+adj./n/done+claus

9、e.1,_(不可能)that you can succeed without effort.(it)2.It is still a question _(他是否会来)for he is ill.(come)3._(据报道)big S is going to get married to Wang Xiaofei in April next year.(report)It is impossiblewhether he will comeIt is reported that形式宾语it作代替由不定式、动名词或从句表语的真正作代替由不定式、动名词或从句表语的真正宾语。宾语。结构：动词结构：动词i

10、tit宾语补足语真正宾语宾语补足语真正宾语e.g.You must find it exciting working here.e.g.I think it a pity that you didnt try harder.IV.形式宾语to dodoingthat make it clear/known that非常清楚地表示make it possible for sb to do/thatmake it a rule to do/that使某事成为惯例think/consider/findfeel/believe it+a./n.1.我发现学英语非常有趣。I found it very

11、interesting to study English.2.他非常清楚地表示他对那门学科不感兴趣。He made it clear that he was not interested in this subject.translation3.我认为保护环境是我们的职责。(think)（duty）I think it our duty to protect theenvironment强调句型itLi Lei saw a beggar at the school gate yesterday.强调主语：It was Li Lei that/who saw a beggar at the sc

12、hool gate yesterday.强调宾语：It was the beggar that/who Li Lei saw 强调地点：It was at the school gate that Li Lei saw 强调时间：It was yesterday that Li Lei saw.强调谓语：Li Lei did see a beggar at the school gate yesterday.It is/was+被强调部分+that/who+句子的剩余部分注意：被强调的成分仅限主语，宾语和状语(从句)典型例题分析1.It was last night _ I saw the f

13、ilm Star WarsAwho Bwhen Cthat Dwhich考点：疑问词+was/is it that+被强调部分+that(who)+主谓句2._(究竟是什么)you saw last night at the concert?What was it thatIt 常用的固定搭配1.make it（1）在口语当中相当于succeed，表示：成功、做到、说定、赶上、及时到达 例 Its hard to make it to the top in show business.（2）在口语中相当于fix the date for，表示“约定好时间”例 Shall we meet nex

14、t week？OK.We just make it next Saturday.2.take it/things easy 相当于Dont worry or dont hurry.用来劝告别人，表示“不要慌，别担心，沉住气”Take it easy！He will do it well.3.It all depends/that all depends 在口语中，相当于it hasnt been decided yet，表示“那得看情况，还没有定下来”Are you going to the countryside for holiday？It/That all depends.4.Its up to sb.在口语中，相当于its decided by sb.表示“由决定，由负责，取决于”Shall we go out for dinner？Its up to you.The use of“It”1.It 用作人称代词:2.It 用作非人称代词:3.It 用作形式主语或形式宾语:形式主语:形式宾语:4.It 用在强调句中：5.It 常用的固定搭配