广州版八年级英语8B下课件上海牛津版unit 1Language.ppt

language thepastcontinuoustense 过去进行时 whatistheboydoing heissleeping heisdreaming whataretheydoing theyareseeingafilm 现在进行时 is are am doing whatweretheydoingfrom2 00pmto3 00pmondec8th theywereansweringquestions theywerereadingapoem whatwashe shedoingfrom2 00pmto3 00pmondec8th shewasdrawingaposter hewasworkingoncomputer 1 构成 过去进行时 was were doing 2 用法一 表示过去某时正在进行的状态或动作 iwasreadingabookat5p m yesterday whatweretheydoingjustnow mymotherwaswashingclothesat9lastnight whatwasheresearchingalldaylastsunday completethesentences 1 lijie at7 30 2 she at8 30 3 sheandsomefriends at9 30 4 they at11 00 5 they at12 30 6 they at14 30 7 sheandafriend at15 30 8 she at16 30 wasgettingreadytogoout wastravellingontheunderground werebuying foodinthemarket werepreparinglunchforfiftypeople werehavinglunch weretidyingupandwashingthedishes wererelaxingina teashopwithafriend wasgoinghomeontheunderground s1 whatwereyoudoingwhilelijiewasgettingreadytogoout s2 iwassleepingwhilelijiewasgettingreadytogoout s1 whatwereyoudoingwhileshewastavellingontheunderground s2 i whileshewastavellingontheunderground practice 用法二 表示在过去的某个时间 前后两个动作是同时进行的 如果主要动作和背景动作都是延续的或同时发生的 那么主从句的动词都可用过去进行时 用法三 描述一件事发生的背景 一个长动作发生的时候 另一个短动作发生 mybrotherfellwhilehewasridinghisbicycle itwasrainingwhentheyleftthestation 短 短 长 长 过去进行时常与when while连用 意思是 当 之时 while后面一般跟延续性动词 常用进行时 when后面既可跟延续性动词 也可跟瞬间动词 常用过去式 a whatwereyoudoing sammy whenthealarmwentoff b iwasplayingtheviolin practise example 2 sandy 3 twinbrothers 4 father 5 mother 6 thedog wastalkingonthephone werewatchingtv wasreadinganewspaper waswritingaletter waseating 1 i ashoweratthattime a haveb hadc amhavingd washaving 2 asshe thenewspaper granny asleep a read wasfallingb wasreading fellc wasreading wasfallingd rea