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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,0,过去进行时之,when,和,while,的区别,过去进行时之when和while的区别,1,rammar,第1页/共16页,rammar第1页/共16页,2,What,was,Jay Chou,doing,at 8 this morning,?,He was,第2页/共16页,What was Jay Chou doing at,3,H,e,was,running.,第3页/共16页,He was running.第3页/共16页,4,from 8 to 9,yesterday,morning,She,was having,a Chinese class,.,第4页/共16页,from 8 to 9She was having a Ch,5,When,Jim,called him up,When,Jim,called him up,he,was sleeping,.,第5页/共16页,When Jim called him upWhen Ji,6,While,Tom,walked to school,While,Tom,walked to school,he,was eating.,第6页/共16页,While Tom walked to schoolWhil,7,?,第7页/共16页,?第7页/共16页,8,I was walking to school,when,I saw a cat in a tree.,When,Sally arrived home,her mother was cleaning the house.,主句的动作是持续性的,而从句动作是短暂性的,此时用,_,引导时间状语从句,主句用,_,时态,从句用一般过去时态。,when,过去进行,(一),第8页/共16页,I was walking to school when,9,While,I was sleeping in the bedroom,my father came in,.,David fell,while,he was riding his bike.,主句的动作是短暂性的,从句的动作,是持续性的,此时用,_,引导从,句,主句用,_,时态,从句,用过去进行时态。,while,一般过去,(二),第9页/共16页,While I was sleeping in the,10,While,Andy was waiting for the bus,he was reading a newspaper.,He was cleaning his car,while,I was cooking.,主句和从句的动作在过去的某时刻或某,段时间同时发生,而且动作都是持续性,的,此时用,_,引导从句,而且主,句和从句都用,_,时态。,while,过去进行,(三),第10页/共16页,While Andy was waiting for t,11,Exercise,when,or,while,?,1._the telephone rang,he was reading.,_ he was reading,the telephone rang.,2.Bob was sleeping _his mother was cooking.,3.I was studying here_the rainstorm came.,4.Dont use your phone_ you are driving.,When,短暂性,While,延续性,while,同时发生,when,延续性,while,短暂性,对照关系,第11页/共16页,ExerciseWhen短暂性While延续性while同时,12,when,和,while,用法小结,主句的动作是持续性的,而从句动作是短暂性的,此时用 引导时间状语从句,主句用 ,从句用一般过去时态,.,主句的动作是短暂性的,从句的动作是持续性的,此时用 引导从句,主句用 时态,从句用过去进行时态.,when,过去进行时态,while,一般过去,第12页/共16页,when 和 while用法小结 主句的动作是持,13,when,和,while,用法小结,主句和从句的动作在过去同时发生,而且动作都是持续性的,此时用 引导从句,而且主句和从句都用 时态。,while,过去进行,第13页/共16页,when 和 while用法小结 主句和从句的动,14,Homework,Fill in the blanks.,1.What _ you _(do)at 9 yesterday?,2.I _(watch)TV when my mother _(come)in.,3.He_(do)his homework at 9 this morning.,4.The children_ (play)soccer at 4 yesterday,afternoon.,5.The baby_(sleep)when her mother came back.,第14页/共16页,Homework第14页/共16页,15,Thanks!,第15页/共16页,Thanks!第15页/共16页,16,感谢您的观看。,第16页/共16页,感谢您的观看。第16页/共16页,17,
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