初中英语从句综合讲解课件.ppt

1、ppt课件1ppt课件2精品资料ppt课件4状语从句、宾语从句、定语从句如何判断何种从句从句的连接词与扩展经典单选、从句与选词、长句子分析从句的时态ppt课件5ppt课件6ppt课件7ppt课件8定语从句定语从句定语从句的时态完全根据具体时间要求定语从句的时态完全根据具体时间要求I meet a friend who I made in Shanghai.1.It is the right book that I have looked for.宾语从句宾语从句 主句现在类，从句无要求；主句现在类，从句无要求；主句过去类；从句过去类主句过去类；从句过去类 I knew what he was.

2、I know what he was.I know what he is.时间时间状语从句状语从句同时出现类型：同时出现类型：都没有出现类型：都没有出现类型：一前一后出现类型：一前一后出现类型：ppt课件9前引：根据主从句的三种时间关系，分为主前引：根据主从句的三种时间关系，分为主从句同时发生、主从句都没有发生、主从句一前一后发生三类句型，从句同时发生、主从句都没有发生、主从句一前一后发生三类句型，每种句型分别对应独特的句式每种句型分别对应独特的句式What were you doing when the UFO arrived?What are you doing when the UFO

3、arrives?I would leave if he came.I will leave if he comes.The train had been away when I arrived.过去配过去过去配过去过去配过去过去配过去现在配现在现在配现在现在配现在现在配现在ppt课件10前引：根据主从句的三种时间关系，分为主前引：根据主从句的三种时间关系，分为主从句同时发生、主从句都没有发生、主从句一前一后发生三类句型，从句同时发生、主从句都没有发生、主从句一前一后发生三类句型，每种句型分别对应独特的句式每种句型分别对应独特的句式过去类：过去类：.过去进行过去进行 when 一般过去一般过去现

4、在类：现在类：现在进行现在进行 when 一般现在一般现在过去类：过去将来过去类：过去将来 when 一般过去一般过去现在类：一般将来现在类：一般将来when 一般现在一般现在过去完成过去完成 when 一般过去一般过去ppt课件11 You are copying when I teach You were copying when I taught I will leave as soon as he arrives I would leave as soon as he arrived The train had left before I arrived at the station

5、After the train had left,I arrivedppt课件12ppt课件13ppt课件141、as 1、因为,可引导原因状语从句(because/since/for/as都可引导原因状语从句)例:As he wasnt well,I went there along.因为他不舒服,我自己去那儿了.2、conj 同时强调“一边一边”,可引导时间状语从句(as/when/while 的详细区别,见 when的讲解)例:He song as he went alone.他边走边唱.3、as soon as.一就,引导时间状语从句 例:He got on the train as

6、soon as he got to the station.他一到车站就登上了火车.4、asas和一样 例:He is as tall as his father.他和他的爸爸一样高 5、as if就象,常用于虚拟语气.例:She looks as if she were drunk.她看上去好象喝醉了.ppt课件15是否是否-whether（宾语从句）（宾语从句）He wondered if the girl would appear.如果如果可能发生可能发生（主将从现）（主将从现）不可能发生不可能发生（虚拟语气）（虚拟语气）I will tell you if you visit me.I

7、 would study hard if I were you.ppt课件16 even if=though=although=even though即使,连接让步状语从句 例:He improves himself in English little even if he studies hard.即使他学习很努力,英语仍少见提高 as if 虚拟语气连接词.好像,活似 例:The old man runs very fast as if he were a young man.这个老人跑得很快好像是个年轻人一样(as if引导的特殊虚拟语气.主句正常时态 as if+主+过去时/were)

8、ppt课件17 题:You will do much better _ you are more careful with your spelling.A if B before C although D unless 题:Come and join us,Jimmy!-I am sorry,but I am really busy now.if I _ time,I would certainly go.A.will have B.have had C.had D.have 解析:如果我现在有时间,我一定去,(表明我现在没有时间,和现在相反,现在时的虚拟语气)ppt课件183、what 讲解

9、:1)特殊疑问词-例:What is he?他是干什么的？2)连接宾语从句-例:I believed what he told me 我相信他告诉我的事(引导宾语从句)。3)后接不定式-例:I dont know what to do.我不知道该做什么。4)引导感叹词,句型:what+n+陈述句!-how+形容词+陈述句!例:What a beautiful girl she is!她真是个漂亮女孩！-How beautiful she is!ppt课件194.when(adv)何时，什么时候；何时，什么时候；当当的时候的时候(conj)当当时时 讲解:1)特殊疑问词-例:When did y

10、ou come here?你什么时候来的？2)连接宾语从句-例:I dont know when the plane takes off.我不知道飞机何时起飞 3)连动词不定式-例:I dont know when to leave for London.我不知道何时动身去伦敦 4)连接状语从句-注意三类从句,注意主从句发生时间和相对应的时态(必考内容!例句背)5)连接定语从句 例:It happened on the day when we began our new term.事情发生在新学期的第一天ppt课件205.whether(conj)是否是否 讲解：whether是连词，有两个意

11、思,分别引到不同的从句 1)表示是否引导宾语从句=if 例:I dont know whether he will come.我不知道他是否会来 2)表示是否-引导动词不定式(此时if不能这样用)例:She hasnt decided whether to go or not.她还没决定去还是不去。3)表示:不管，无论-引导状语从句(易忘记)例:Whether you like it or not,youll have to do it.你必须做这件事，不管你喜不喜欢 区别if-whether 一:表示是否连接宾语从句,if=whether 二:表示是否连接不定式if不可以,whether可以

12、 三:连接状语从句时,if表如果whether表无论ppt课件216.which(adj)哪一个，哪些哪一个，哪些(pron)谁，哪一个，哪些；谁，哪一个，哪些；讲解:1)特殊疑问词-例:Which came first,the chicken or the egg?哪个先产生，鸡还是蛋？2)连接宾语从句-例:I dont know which came first 我不知道哪个先来 3)后接不定式-例:I dont know which to be chosen.我不知道该做选哪个。4)连接定语从句,指代物(定语从句中用which 代替what)例:I like the book which

13、 you bought for me.我喜欢这本你为我买的书 5)作形容词，哪一个，哪一些。例:Which foreign language are you studying?你在学哪种外语。ppt课件227.while(conj)当当的时候；然而，虽然的时候；然而，虽然(n)时间，时间，短时间短时间 1)当的时候。Be ving when 一般时-一般时 while be ving 例:The phone rang while I was washing my hair.电话响的时候我正在洗头 例:The phone was ringing when I washed my hair.电话响

14、的时候我正在洗头 2)虽然，尽管。例:While he was respected,he was not liked.他虽然受到尊敬，但没有受到喜爱。3)表示对比，而，然而。While只能连接从句-but不能连接从句 例:He is a doctor while I am a teacher.他是个医生而我是老师4)while作名词是表示一段时间，常用词组:for a while 例:It takes a while to repair the bike.ppt课件238.who谁谁-whom谁谁-.whose 讲解:who即可以作主语,又可以作宾语;而whom只能做宾语 1)特殊疑问词-例:

15、Who came first?谁第一个来的?(不可替换,who做主语)2)连接宾语从句-例:I dont know who/whom came first 我不知道谁先来(可替换,who做宾语)3)后接不定式-例:I dont know who to come first.我不知道谁先来(不可替换,who做主语)4)连接定语从句,指代人(可替代主语,宾语)例:I like the baby who sits before me.我喜欢这个坐在我前面的孩子(注意单数,常考题)例:I like the baby who you like too.我喜欢你也喜欢的这个孩子(替代宾语)ppt课件249

16、 whose(pron,conj)谁的谁的 讲解：:1)特殊疑问词-例:Whose pen is this?这是谁的笔。2)连接宾语从句-例:I wonder whose house it is.我想知道这是谁的房子 3)连接定语从句,指代人、物。例:This is the girl whose name is Mary.这就是那个叫玛丽的女孩。ppt课件25ppt课件261.Shaolin Temple lies in the west of Zhengzhou welcomes the visitors both at home and abroad.A.where B.which C.w

17、ho D.what2.Last summer I went to Lu Xuns hometown and visited the house he was born.A.that B.there C.which D.where3.Can you tell me _?A.where does Tom live B.where to Tom liveC.Tom lives where D.where Tom lives4.I think _ you will like him.A.that B.if C.why D.howppt课件275.May I sit nearer _I can see

18、more clearly?A.as if B.so that C.even if D.so6.Do you know _?A.whose pen is this B.whose pen this isC.whom does the pen belong to D.whom the pen belong to7.Mary is always the first person puts up hands for the teachers questions.A.that B.he C.whom D.which8.Look at that lady name is Pochi.A.who B.who

19、se C.whom D.thatppt课件289.I wonder _.A.how much cost these shoes B.how much do these shoes costC.how much these shoes cost D.how much are these shoes cost10.This is the biggest ship Ive ever seen.A.who B.whom C.that D.whose11.That was the year I went to America.A.when B.where C.that D.which12.This is

20、 the reason I came here.A.when B.that C.why D.whichppt课件29 13.Ask him _.A.whose cup this is B.whose cup is this C.this is whose cup D.whose is this cup 14The doctor asked me how long _.A.was I ill B.have I been ill C.I have been ill D.I had been ill 15.Tom will call me as soon as he _ Shanghai.A.arr

21、ives B.will reach C.arrives in D.get to 16.Tom has got a watch.He _ it for two years.It _ by his father.A.has bought;was bought B.has got;is bought,C.was bought;has bought.D.has had;was bought ppt课件30 17When he got to the station,the train _.A.left B.had left C.leaves D.has left 18.He is a teacher I like very much.A.whos B.whose C./D.which 19.Those will go to the park stay here.A.who B.that C.whom D.whose