2022年中考英语语法复习-状语从句ppt课件.pptx

1、 I will call you tomorrow.用来对谓语动词进行补充、说明和完善的成分，我们称之为用来对谓语动词进行补充、说明和完善的成分，我们称之为。I will call you when he comes.当状语部分是由简单句构成的时候，我们称这样的句子为状语从当状语部分是由简单句构成的时候，我们称这样的句子为状语从句。句。从句从句主句主句主句主句+连接词连接词+从句从句 I will call you when he comes.状语从句有很多种，状语从句有很多种，其中对动作发生的时间进行描述的从句，其中对动作发生的时间进行描述的从句，我们称之为我们称之为 。when,while

2、,before,after,until,since,as soon as.时间状语从句主从句之间的连接词时间状语从句主从句之间的连接词注意：从句动作既可以发生在注意：从句动作既可以发生在时间点时间点，也可以发，也可以发生在生在时间段时间段。when瞬间动词瞬间动词延续性动词延续性动词1.The students were playing computer games when the teacher came in.2.When I was walking along,I came across a friend of mine.瞬间动作瞬间动作延续动作延续动作时态3.We will go o

3、ut for a walk when the weather is fine。4.I always drink coffee when I work.5.When he gave me a present,I thanked him.时态时态主将从现主将从现 （祈使句，情态动词也可视为主将）（祈使句，情态动词也可视为主将）主现从现主现从现主过从过主过从过 注意：注意：whilewhile引导的时间状语从句，主句动作是在引导的时间状语从句，主句动作是在从句动作进行的过程中发生的。从句动作进行的过程中发生的。Someone knocked the door while we were having

4、 supper.while从句必须是延续性动词从句必须是延续性动词1.Someone knocked the door while we were having supper.2.I was watching TV while my mother was cooking。时态时态when强调两个动作同时发生，主从句都用进行时，强调两个动作同时发生，主从句都用进行时，只只能用能用while1.1.肯定句肯定句：。直到。直到。（表示主句发生的动作一直持续到某一时间才停止，（表示主句发生的动作一直持续到某一时间才停止，因此，主句动词要使用延续性动词）因此，主句动词要使用延续性动词）I have to

5、 stay here until the rain stops.I watched TV until my mother returned last night.until2.2.否定句：否定句：not.until.not.until.直到。才。直到。才。（表示主句的动作一直持续到某时才开始，主句动词（表示主句的动作一直持续到某时才开始，主句动词既可以是延续动词，也可以是瞬间动词。）既可以是延续动词，也可以是瞬间动词。）He didnt do his homework until his father came home.I wont go out until I finish my home

6、work.She doesnt watch TV until she finishes her homework every day.主过从过主过从过主将从现主将从现主现从现主现从现before:before:在。之前在。之前 （主句动作发生在从句动作之前）（主句动作发生在从句动作之前）after:after:在。之后在。之后 （主句动作发生在从句动作之后）（主句动作发生在从句动作之后）since:since:自从自从 （主句现在完成时，从句一般过去时）（主句现在完成时，从句一般过去时）as soon as:一。就。一。就。时态用法上以时态用法上以主将从现主将从现最为常见。最为常见。也有主过从

7、过，主现从现等用法。也有主过从过，主现从现等用法。We will go to the park as soon as the rain stops.1.My parents were watching TV while I _ on the Internet.A.search B.was searchingC.searched D.searching2.Ill phone you _ Mary comes home.A.since B.untilC.as soon as D.while3.Please turn off th light_you leave the classroom.A.af

8、ter B.beforeC.until D.since 4.They didnt realise the importance of study _ they left school.A.when B.while C.after D.until1.We have lived in this city _ I moved here in 1990.2.Have you decided what you want to be _ you grow up?3.Dont worry,Ill phone you _ I get the news.sincewhenas soon as 4.The dru

9、nk man didnt leave the station _ the police came yesterday.5.I havent heard from him _ he went to America.6.I waited _ he came back.untilsinceuntil7.She likes everything to be in place _ she starts to work.8._ the work was done,we sat down to sum up（总结）（总结）experience.9.We played outside till sunset,_ it began to rain。beforeAfterwhen10.They decided to go back home _ their money ran out.11._ I get to the airport,I will phone you to pick me up.12.My father was reading newspaper _ my mother was cleaning the room.beforeAs soon aswhile