1、过去进行时过去进行时 过去进行时过去进行时 The past continuous tenseGrammar过去进行时表示过去某一过去进行时表示过去某一时刻或某一阶段正在进行时刻或某一阶段正在进行的动作或存在的状态。的动作或存在的状态。1.过去进行时表示过去某一时刻正在进行的动作。I was having breakfast at 6:30 am yesterday.presentpastat 6:30 yesterday2.过去进行时表示过去某阶段一直过去进行时表示过去某阶段一直在进行的动作。在进行的动作。From 8:00 to 10:00 last night,he was watchi
2、ng TV at home.presentpastfrom 8:00 to 10:00Why did the car hit the boy?Because the driver _ on the phone at that time.A.talk B.is talking C.was talking D.have talked 解析根据句意答语中解析根据句意答语中“at that time”可知设空问得可知设空问得是过去某一时刻正在进行的动作,用过去进行时,是过去某一时刻正在进行的动作,用过去进行时,应选应选C.His family _ from six to ten last mornin
3、g.A.were playing ping pong B.are playing ping pong C.played ping pong D.have played ping pong 解析:根据句意解析:根据句意“昨天早上昨天早上6点到点到10点,点,他的家人在打乒乓球他的家人在打乒乓球”,属于过去某,属于过去某一段时间一直在进行的动作,故选一段时间一直在进行的动作,故选A。1.构成及用法构成及用法 过去进行时由过去进行时由“was/were+动词动词-ing”构构成,常与过去进行时连用的时间状语有成,常与过去进行时连用的时间状语有at eight/nine.(oclock)yesterd
4、ay morning,at that time,from eight to ten yesterday morning等。等。如如:Alice was doing her homework at six yesterday evening.肯定式:肯定式:主语主语+was/were+动词动词-ing(+其他其他).如:如:I was swimming at that time.否定式否定式:主语主语+wasnt/werent+动词动词-ing(+其他其他).如:如:They werent listening to music at ten yesterday morning.2.句式句式疑问式
5、疑问式:Was/Were+主语主语+动词动词-ing(+其他其他)?其肯定回答为:其肯定回答为:Yes,主语主语(人称代词人称代词)+was/were.;否定回答为:否定回答为:No,主语主语(人称代词人称代词)+wasnt/werent.如:如:Was Joe reading at the time of the rainstorm?Yes,he was./No,he wasnt.when和和while都可表示都可表示“当当的时的时候候”,引导时间状语从句。你知道两者引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗?在过去进行时中的用法有什么不同吗?请仔细观察下面的例句与解释。请
6、仔细观察下面的例句与解释。When the teacher came in,they were talking.At the moment瞬间动词过去时瞬间动词过去时老师进来的时候,他们正在讲话。老师进来的时候,他们正在讲话。他们正在讲话,就在那时老师进来了。他们正在讲话,就在那时老师进来了。presentpastcame inIt began to rain while I was washing my car.瞬间动作瞬间动作持续性动作持续性动作我正在洗车,天下起雨了。我正在洗车,天下起雨了。presentpastwashing my carI was walking to school
7、when I saw a cat in a tree.主句的动作是持续性的,而从句动作是短暂性的,主句的动作是持续性的,而从句动作是短暂性的,此时用此时用_引导时间状语从句,主句用引导时间状语从句,主句用_时态,从句用一般过去时态。时态,从句用一般过去时态。过去进行过去进行whenDavid fell while he was riding his bike.主句的动作是短暂性的,从句的动作是主句的动作是短暂性的,从句的动作是持续性的,此时用持续性的,此时用_引导从句,主引导从句,主句用句用_时态,从句用过去进行时态,从句用过去进行时态。时态。一般过去一般过去whileHe was clean
8、ing his car while I was cooking.主句和从句的动作在过去的某时刻或某主句和从句的动作在过去的某时刻或某段时间同时发生段时间同时发生,而且动作都是持续性而且动作都是持续性的的,此时用此时用_引导从句引导从句,而且主句而且主句和从句都用和从句都用_时态。时态。过去进行过去进行whilesummary1.与一般过去式连用时,过去进行时的动作为延续性动作,一般过去时的动作则为瞬间动作。2.when 瞬间动作 一般过去时 while 延续性动作 过去进行时 1.我昨晚八点在冲澡。我昨晚八点在冲澡。I _at eight last night.根据汉语意思完成句子。根据汉语意
9、思完成句子。was taking a showerExercises2.暴风雨来的时候他在做什么?暴风雨来的时候他在做什么?What was he doing _ the rainstorm came?3.暴风雨来的时候他在图书馆看书。暴风雨来的时候他在图书馆看书。_ he was reading in the library,the rainstorm came.whenWhile4.琳达在睡觉的时候琳达在睡觉的时候,珍妮在帮助玛丽珍妮在帮助玛丽 做作业。做作业。_,Jenny was helping Mary with her homework.While Linda was sleepingFill in the blanks with proper tenses:1.While I_(peel)potatoes,I_(cut)my thumb.2.We just_(go)out when some friends_(call)to see us.3.When he was a child he_(live)in the country.4.While Judy and I _(wash)up,she _(ask)me to be quiet as our neighbors_(sleep).HOMEWORK