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1、1.意义：2.构成：3.标志词：表示在过去某一时刻或一段时间正在进行的动作。was/were+doing否定式：was/were not+doing疑问式：Was/Were doing?at this time yesterday at 9:00 last night was/were doing when.did.第1页/共19页 cook a meal at this time yesterdayHe was cooking at this time yesterday.第2页/共19页ride a horseat nine last SundayHe was riding a horse
2、 at nine last Sunday.第3页/共19页play footballat four oclock last FridayHe was playing football at four oclock last Friday.第4页/共19页 this time yesterday clean the classroomShe was cleaning the classroom this time yesterday.第5页/共19页 at ten oclock yesterday morningsweep the floor第6页/共19页 have a class yeste
3、rday afternoonThey were having a class yesterday afternoon.第7页/共19页 at five oclock play footballThey were playing football at five oclock yesterday.第8页/共19页 play basketball when the teacher came inJim was playing basketball when the teacher came in.第9页/共19页 read a book yesterday afternoonHe was read
4、ing a book yesterday afternoon.第10页/共19页 swim at this time yesterdayThey were swimming at this time yesterday.第11页/共19页 ride a bike at five oclock yesterdayLiLei was riding a bike at five oclock yesterday.第12页/共19页 write a letter when her mother came homeShe was writing a letter when her mother came
5、 home.第13页/共19页boatingat ten oclock yesterdayHe was boating at ten oclock yesterday.第14页/共19页一 用所给动词的适当形式填空1What _ you _(do)at noon yesterday?2)I _(watch)TV when my mother_(come)in.3)He _(do)his lessons at ten yesterday morning.weredoingwas watchingcame was doing第15页/共19页 4)The children _(play)footb
6、all at four yesterday afternoon.5)The baby _(sleep)when the mother came back.was sleepingwere playing二.完成下列句子1）Li Lei _ (在读英语）at this time yesterday.was reading English第16页/共19页 2)They _(在扫地）after school yesterday.3）The boys and girls_(在唱歌）last night.4)You _（在打篮球）yesterday afternoon,werent you?5)What _ To_(在做什么）at noon yesterday?were sweeping the floorwere singingwere playing basketball wasdoing第17页/共19页 6)I _(在读一本故事书）last night.was reading a story book第18页/共19页感谢您的观看！第19页/共19页