八年级上第八单元-Grammar课件.ppt

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1、Lead-in123I was sleeping when the earthquake started.People were running in all directions while pieces of glass and bricks were falling down.As I was trying to find my way out,I suddenly heard some noise above me.Lead-inWhat were people doing when the earthquake happened?Lead-in过去进行时过去进行时Lead-inThe

2、 past continuous tenseDiscoveringLook at the sentences.He was watching TV at nine yesterday.We were sleeping when you came.She was cooking dinner at that time.They were playing football that afternoon.You were reading when the telephone rang.I was washing my car at this time yesterday.Whats the rule

3、?DiscoveringCircle the right verb.At this time yesterday,she is reading/was reading in the study.What were you doing/did you do at nine oclock last night?I am chatting/was chatting online with my friends when he came.It was raining/were raining yesterday.They were doing/did homework from 4:00 to 5:0

4、0 that afternoon.Use the rule!DiscoveringWork out the rule!Essential Structurewas/wasnt were/werent+doing sb+DiscoveringWork out the rule!We use“was+doing”with the pronoun _,_,_ and _.We use“were+doing”with the pronoun _,_ and _.he she it Iyou they weExplainingUsageTo talk about things that were hap

5、pening at a particular time in the past.e.g.I was reading a book at 5 p.m.yesterday.She wasnt chatting online just now.Were your parents watching TV at 9 last night?What were they discussing all day last Sunday?Communication show 123at this time yesterday the whole night yesterday at 4 p.m.yesterday

6、 Make sentencesCommunication show Make sentences1.The boys were playing football at 4 p.m.yesterday.2.The woman was shopping at this time yesterday.3.The girl was reading the whole night yesterday.Complete a conversationCommunication show Complete Part A on Page 97PracticeEntrance examination link1.

7、Was Kate at the party last night?Yes,she _ a really nice dress.（2013盐城市盐城市）A.is wearingB.was wearing C.would wearD.has worn2.Millie _ a picture when Mr Green came in.（2013徐州市徐州市）A.drawB.will draw C.drewD.was drawingPracticeEntrance examination link3.Sally took a photo of her friends while they _ com

8、puter games.（2013杭州市杭州市）A.playB.are playing C.have playedD.were playing4.Has David finished his project yet?I guess not.He _ on it at lunchtime.Do you want to confirm it?（2014无锡市无锡市）A.is workingB.was working C.has workedD.had workedPracticeEntrance examination link5.Susan and Lily _ tomatoes and oth

9、er vegetables on the farm this time yesterday.（2014上海市上海市）A.pickB.are picking C.will pickD.were picking6.Alan!Why are you so late?Sorry!When I _ home,I met one of my friends.（2014威海市威海市）A.wentB.am walking C.has goneD.was walkingComparisonSummary Past continuous tense:sb+was/were+doingPresent continu

10、ous tense:sb+am/is/are+doingSimple past tense:sb+was/were/did ExplainingDifficulty:when,while,asThey all mean“during the time that”and can be used to introduce a long action that started before a short action.e.g.When/While/As Millie was watching TV,Andy came into the sitting-room._ long action_ sho

11、rt actionTipWe use past We use past continuous tensecontinuous tense for for long actionslong actionsand and past tensepast tense for for short actionsshort actions.ExplainingAttention1.If the longer action is in the main clause,we often use“when”to join them.e.g.Millie was watching TV whenAndy came

12、 into the sitting-room._ longer actionExplainingAttention2.When there are two long actions,we often use“while”.e.g.While Millie was watching TV,Eddie was sleeping._ long action_ long actionExplainingAttention3.“As”can also be used to join two short actions that happen at the same time.e.g.As Millie

13、sat down on the sofa,Andy came into the sitting-room._ short action_ short actionFill in the blanksCommunication show 1.It began to rain _ Linda was having supper.2.What were you doing _ Mr Jackson came into the classroom?3._ you are driving,dont use your mobile phone.4._ years go by,China is gettin

14、g richer and stronger.when/while/aswhenWhen/While/AsAswhen,while,asFill in the blanksCommunication show when,while,as5.We were having a meeting _ the light went off.6.I was looking after the child _ Jenny was cooking lunch.7.The little girls sang _ they played.8._ I arrived at his office,he was chat

15、ting on the phone.whenwhileasWhen/AsComplete sentencesCommunication show Complete Part B on Page 98PracticeComplete the survey with your own information.What were you doing in the _ class this morning?Chinese _ _ English _ _ Music _ _ Maths _ _Pair work:Ask a partner and write his/her answers.YouYou

16、r partnerWhat was/were doing when the doorbell rang?SandySammyfathermothertwin brothersdogPracticeA:What was the boy doing at the table at 5 p.m.yesterday?B:He was talking with a girl.A:Was the girl writing?B:No,she wasnt.Practice1.Review grammatical rules learned in this class.2.Preview Integrated skills.