时间状语从句课件(.ppt

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1、,Module 5 Adverbial clause of time,Examples in our textbook,1.When he was orbiting in the capsule,he took photographs of planet earth.2.When yang landed,Premier Wen Jiabao telephoned the Control Centre to offer his congratulations.3.When Yang took off from Jiuquan in northwest China at 9 am yesterda

2、y,China became the.4.While he was travelling in space,Yang spoke to two astronauts aboard the.5.While she was waiting a taxi outside,she met Sam Parrish.,一、when/while 的区别1.when表示主从句两个动作同时发生或先后发生。而while表示主从句两个动作同时发生或强调主句的动作在从句动作进行期间发生。(1)_ they are waiting for the New Year,they listen to music,sing s

3、ongs and dance.(2)_ the boy saw his mother,he stopped crying.,While,When,2.when+短暂性动词或延续性动词 while+延续性动词(一般为be doing。)(1)He was doing his homework _ I saw him.(2)Please dont talk so loud _others are working.3.进行时+while+进行时She was dancing _ I was singing4.从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用 _

4、she was singing,we all lost ourselves in her beautiful voice.注意：延续性动词表达的动作能够延续，如：keep保存，维持；walk走路；read 阅读等；非延续性动词也称瞬间动词，所表达的动作不能够延续。如：hear听到；return 归还；see看见。,when,When/While/As,while,while,3.用while,when填空：,_ I was walking down the street,I noticed a police car in front of the store._ John arrived,I

5、was cooking lunch.I was wandering（徘徊）through the street_ I caught sight of a tailors shop.,When/While/As,When,when,_was walking down the street，I saw some policemen _they heard the news，they were surprised _the child was playing with his toys，his parents were watching TV.They shouted slogans _they p

6、assed the square.,when表示从句动作和主句动作同时发生，或先于主句动作；while表示从句的动作与主句动作同时发生，并有延续的含义；as从句动作与主句动作同时发生，常译为“一边一边”。从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用.,When/While/As,When,While,as,二、whenwhileas的用法。,总结：相当于and at this/that time。意思为“正在/刚要这/那时（突然）”,三、When 的特殊用法,We were having a class _someone broke in.(突然有人

7、闯了进来).We were about to set off_it began to rain.(这时开始下雨了),when,when,be doing/be going to do sth be about to do sth.had just done,+when,When的常用于下列句式：,意思为“正在/刚要/刚做完这/那时（突然）”,Exercise,1.We were swimming in the lake _ suddenly the storm started.A.whenB.while C.untilD.before2.He was about to tell me the

8、secret _someone patted（拍）him on the shoulder（肩膀）.(上海)A.as B.until C.while D.when,A,D,3.He made a mistake,but then he corrected the situation _ it got worse.A.untilB.when C.beforeD.as4.Ill write to you _I get there.A.while B.before C.as soon as D.by,C,C,5.Was his father strict with him when he was at

9、 school?Yes.He had never praised him _ he became one of the top students in his grade.A.afterB.unless C.untilD.when6.He was about to tell me the secret _ someone patted him on the shoulder.A.asB.until C.whileD.when,C,D,7.He has lived in the city _ he came back from America.A.when B.before C.since D.

10、after8.We wont leave here _ our teacher comes back.A.until B.since C.after D.as soon as9.I had to finish the picture _ my mother came back.A.until B.before C.after D.while10.John fell asleep _ he was listening to the music.A.after B.before C.while D.as soon as,C,A,B,C,四、时间状语从句其它引导词小结：,the moment,the

11、 minute,immediately,instantly，every time,since,before,after,until,notuntil,as soon as 等 1.They rushed out of the room immediately they heard a loud noise.(他们一听到一声巨响就从房间里冲了出来）2.As soon as he comes,Ill tell him.3.The moment I saw him,I recognized（认出）him.4.The boy didnt go to bed until his parents came

12、 back.,用括号内动词的正确形式填空1.My mother _(cook)dinner when I _(get)home last night.2.I _(meet)Lingling when I _(walk)along the street.3.Lily _(listen)to music while Lucy _(read)a story book.4.When the teacher _(come)in,the students _(talk)5.He _(call)you as soon as he_(get)to Guangdong.,was cooking,got,met,was walking,was listening,was reading,came,were talking,will call,gets,Homework,Write a short article including adverbials as many as possible.Keep the meanings of the conjunctions in mind.Finish the exercises about grammar in your books,Thank you!,