过去进行时-全面讲解.pptx

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,#,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,#,过去进行时,一、定义,1.表示过去,某个时刻,正在进行的动作。,He was having breakfast at six o,clock yesterday morning.,2.表示过去,某个时间段,正在进行的动作。,He was writing stories the whole morning.,二、结构,1.肯定结构：,主语+was/were+doing+其它,.,I was watching TV at eight last night.,He was having breakfast at seven this morning.,2.否定结构：,主语+was/were+not+doing+其它,.,I was not watching TV at eight last night.,He was not having breakfast at seven this morning,.,3.一般疑问句：,Was/Were+主语+doing+其它?,(,1)Were you watching TV at eight last night?,Yes,I was./No,I wasn,t.,(2)Was he having breakfast at seven this morning?,Yes,he was./No,he wasn,t.,4.特殊疑问句：,疑问词+was/were+主语+doing+其它？,三、时间标志词,1.at+具体时刻+过去时间(at five last Saturday),2.at this time+过去时间(at this time yesterday),3.过去时间段(from nine to ten last evening),4.at that time/moment,5.when&while引导的过去时间状语从句,四,.,现在分词复习,动词,ing,的基本变化规则,1._,如 dodoing,2._,如 havehaving,comecoming,3._,如:shopshopping,skipskipping,run-running,口诀：,停止游泳，_ _,开始跑步和跳绳，_ _ _,到达商店购物，_ _,忘记坐下切蛋糕。_ _ _,口诀：,现在分词ing,变法有三般。,一般直接加，见e去e加。,重读辅元辅，双写尾字母,。,五、特殊句型when&while引导的过去时间状语从句,短：短暂性动作(用一般过去时),长：持续性动作(用过去进行时),1.口诀：when后可长亦可短，while后只可长,When the thief came in,I was sleeping.,The thief came in,when I was sleeping.,The thief came in,while I was sleeping.,2.口诀：若是两个都为长，while 来把纽带当,While the thief was carrying the TV out,I was sleeping.,The thief was carrying the TV out,while I was sleeping.,Tips:一般过去时和过去进行时时间标志词的区别：,一般过去时：,过去的不精确时间,过去将来时：,过去的精确时间,Exercise:,一、请写出下列动词的 ing 形式。,paint _ draw _play _,give _ drive_ make_,sit_run_put_,get_ swim_ forget_,二、选择题。,()1.My parents _ TV in the living room at 9 p.m.yesterday.,A.is watching B.watched C.would watch D.were watching,()2.Ben _ at this time yesterday.,A.are sleeping B.sleeping C.was sleeping D.slept,()3.I _ breakfast when the morning post came.,A.hadB.been having C.am having D.was having,()4.She,the guitar from 2 p.m.to 4 p.m.yesterday afternoon.,A.was playing B.playedC.is playing D.plays,()5.My brother _ while he _ his bicycle.,A.fell,was ridingB.fell,were ridingC.had fallen,rode D.falls,was riding,()6.I _ my breakfast when the morning post came.,A.hadB.am havingC.have had D.was having,()7.Jack _ football at the moment.,A.was playing B.is playing C.plays D.played,()8.-What were they doing in the living room?,-They_ TV.,A.are watching B.was watching C.were watching D.watch,()9.She _ the guitar from 2 p.m.to 4 p.m.yesterday afternoon.,A.was playing B.played C.is playing D.plays,()10.My brother _ while he _ his bicycle.,A.fell,was riding B.fell,were riding C.had fallen,rode D.falls,was riding,()11.Jack _ football at the moment.,A.was playing B.is playing C.plays D.played,()12.The dogs _ computer games when I _ in.,A.were playing,were coming B.were playing,come,C.were playing,came D.played,was coming,