高中英语 unit3 Grammar课件 新人教版选修6 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,选修,6 unit3,learning about language,Word-consolidation-I(2m),Answer key for Exercise 1:,quit,tough,accustomed to,ashamed(of her),desperate,(The)alcoholic(effects),strengthen(your muscles),pregnant,disappointed,decide on,Discovering useful words and expressions,Page 20,Answer key for Exercise 2:,Word-consolidation-II(2m),cigarettes,alcohol,effects,adolescents,tough,stress,due to,addicted to,mental,quit,unfit,withdrawal,The use of“it”,Unit 3 Grammar,人称代词,it,e.g.,The frog,is not a warm-blood animal.,It,s a cold-blooded one.,（,物,）,e.g.,Its,a sad thing,.Just forget,it.,（,事情,）,e.g.-whos that?-,It,s me.Open the door,please,.(),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,it,It,用作非人称代词，常作主语，表示时间,/,天气,/,金钱,/,距离等。,It,s a long time since we met last time.,（,）,It,s a warm sunny afternoon.,（）,3.It,is such a big money.(),4.,It,s five minutes walk,.,（）,.,.,II,It,用作非人称代词,:,weather,time,money,distance,D,1.Someone is ringing the doorbell.Go and see_,A.who is he B.who he is,C.who is it D.Who it is,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.which,B,3.-I lost my favorite pen.,-why dont you buy _?,A.it B.that C.one D.this,C,4,.,I like this house with a garden 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,it,to do,结构：,It is/was+a./n./ed,doing,clause,-,It,s not a good habit,to smoke.,-,It,is no use/good,arguing with him.,-,It,is a pity,that you didnt follow 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 veryclever,ofyou,tofinish 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,for sb,Of,sb or,for,sb,It is dangerous _children to play with fire.,for,It 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 day.,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 cry,It is no use doing sth,2)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+clause.,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 impossible,whether he will come,It 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宾语。,结构：动词,it,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 do,doing,that,make it clear/known that,非常清楚地表示,make it possible for sb to do/that,make it a rule to do/that,使某事成为惯例,think/consider/find,feel/believe it+a./n.,1.,我发现学英语非常有趣。,I found,it,very,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.,translation,3.,我认为保护环境是我们的职责。,(think),（,duty,）,I think,it,our duty,to,protect the,environment,强调句型,it,Li Lei,saw,a beggar,at the school gate,yesterday.,强调主语,：,It was,Li Lei,that/who saw a beggar at the school 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 film Star Wars,A,who B,when C,that D,which,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 that,It,常用的固定搭配,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 next 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：,To sum up,5.,It,常用的固定搭配,Thank you!,