Unit5 Section A Grammar focus - 4c-人教版英语八年级下册.pptx

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1、in the libraryin the libraryat the bus stopat the bus stopin my housein my houseon the streeton the streetLook and sayLook and sayWhere?Where?in the libraryin the libraryLook and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _in the libraryI _in the librar

2、ywaswasin the libraryin the libraryLook and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _in the libraryI _in the librarywaswasWhat are you doing?What are you doing?I am reading.I am reading.What _ you doing?What _ you doing?I _ reading.I _ reading.werewe

3、rewaswason the streeton the streetLook and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _on the streetI _on the streetwaswason the libraryon the libraryLook and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _on

4、the streetI _on the streetwaswasWhat are you doing?What are you doing?I am walking.I am walking.What _ you doing?What _ you doing?I _ walking.I _ walking.werewerewaswasin my house.in my house.Look and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _in my ho

5、use.I _in my house.waswasin my house.in my house.Look and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _in my houseI _in my housewaswasWhat are you doing?What are you doing?I am doing my homework.I am doing my homework.What _ you doing?What _ you doing?I

6、_ doing my homework.I _ doing my homework.werewerewaswasat the bus stop.at the bus stop.Look and sayLook and sayWhere are you?Where are you?I amI amWhere _ you?Where _ you?过去式去式werewereI _at the bus stop.I _at the bus stop.waswasI am at the bus stop.I am at the bus stop.Look and sayLook and sayWhere

7、 are you?Where are you?Where _ you?Where _ you?过去式去式werewereI _at the bus stopI _at the bus stopwaswasWhat are you doing?What are you doing?I am waiting for the bus.I am waiting for the bus.What _ you doing?What _ you doing?I _ waitI _ waiting for the busing for the bus.werewerewaswasThe Past Contin

8、uous Tense过去进行时1.基本概念 过去进行时表示在过去某一时刻或一段时间内正在进行的动作。这一特定的过去时间除有上下文暗示以外,一般用时间状语来表示。2.构 成was/were+doing否定句：was/were not+doing疑问句：Was/Were doing?肯定句：过去进行时的用法1.过去进行时常表示过去某一时刻或过去某一阶段内正在进行的动作。昨天的这个时候我正在做作业。（过去某一时刻）I was doing my homework at that time yesterday.昨晚我一直在看电视。（过去某一阶段内）I was watching TV last night

9、.(强调过程）I watched TV last night.(强调过去的事实2.过去进行时可表示一个动作发生时，另一个动作正在进行。当我到家时，她正在做饭。（一般过去时）（过去进行时）When I came home,she was cooking dinner.过去进行时的用法3.过去进行时可表示一个动作正在进行（用过去进行时），另一个动作突然发生（用一般过去时）。While(When)you were speaking to the teacher,I saw you.注意：while 和进行时连用,并且连用的动词要用延续性动词。过去进行时的用法延续性动词和非延续性动词延续性动词指动作可

10、以延续一段时间,而不是瞬间结束。如:work、study、drink、eat等。非延续性动词指动作极为短暂，瞬间结束。如:start、begin、hit、jump、knock等。4.过去进行时可表示两个动作同时进行。While I was watching TV,my mother was cooking.过去进行时的用法1.at that time3.at 8:00 yesterday evening 2.at this time last night5.由when 和while 引导的 一般过去时的句子与过去进行时连用的时间状语4.those days cook a meal at thi

11、s time yesterdayHe was cooking at this time yesterday.Make up the sentences.ride a horseat nine last SundayHe was riding a horse at nine last Sunday.Make up the sentences.play footballat four oclock last FridayHe was playing football at four oclock last Friday.Make up the sentences.at ten oclock yes

12、terday morningsweep the floorHe was sweeping the floor at ten oclock yesterday morning.Make up the sentences.have a class yesterday afternoonThey were having a class yesterday afternoon.Make up the sentences.this time yesterday clean the classroomShe was cleaning the classroom this time yesterday.Ma

13、ke up the sentences.at five oclock play footballThey were playing football at five oclock.Make up the sentences.when和while都可表示“当的时候”，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？I was walking to school when I saw a cat in a tree.When Sally arrived home,her mother was cleaning the house.主句的动作是持续性的，而从句动作是短暂性的，此时用 _

14、 引导时间状语从句，主句用 _ 时态，从句用一般过去时态。过去进行when比较when和while While I was sleeping in the bedroom,someone knocked at the door.David fell while he was riding his bike.主句的动作是短暂性的，从句的动作是持续性的，此时用 _ 引导从句，主句用 _ 时态，从句用过去进行时态。一般过去while比较when和while 当两个动作同时持续发生的时候,主句和while引导的从句都用过去进行时.e.g.I was watching TV while my siste

15、r waslistening to music.比较when和whileLook at the table and write sentences with both while and when.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash4a1.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.2.WhileJohn

16、wasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.3.While John was cleaning his room,Mary turned on the radio.John was cleaning his room when Mary turned on the radio.4.While John was shopping,Mary took the car to the car wash.John was shopping when Mary took the car to

17、the car wash.Fill in the blanks with was,were,when or while.At7:00a.m.,Iwokeup._I_makingmybreakfast,mybrother_listeningtotheradio._Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._wegottotheplaceoftheaccident,thecar_inbadshapefromhittingatree.Butluc

18、kily,thedriver_fine.Theroads_icybecauseoftheheavysnowfromthenightbefore.WhilewaswasWhileWhenwaswaswere4bWhat were you doing at these times last Sunday?Fill in the chart.Then ask your partner.YouYourpartner9:00a.m.11:30a.m.4:00p.m.9:00p.m.4cA:WhatwereyoudoingatnineoclocklastSundaymorning?B:Iwassleepi

19、ng.Howaboutyou?A:Iwasdoingmyhomework.B:用所给词的适当形式填空用所给词的适当形式填空1My father_ still_(sleep)when I_(get)up yesterday morning.2My grandma_(cook)breakfast while I_(wash)my face this morning.3My mother_(sweep)the floor when I_(leave)home.4The students_ _(have)a biology class when the visitors_(come)课堂练习课堂练习w

20、assleepinggotwas cookingwas washingwas sweepingleftwere havingcame单元语法聚焦五单元语法聚焦五中考连接中考连接1.2016天津天津Mymother_dinnerwhenIgothomeyesterday.AhascookedBwascookingCwillcookDcooks2.2016威海威海Icalledyouyesterdayevening.Butnobodyanswered.Oh,sorry.MaybeI_inthebathroomatthattime.AtakeashowerBtookashowerCwastaking

21、ashowerBC过去进行时态过去进行表过去，时态结构记清晰，过去进行表过去，时态结构记清晰，was,were,was,were,助动词，动词助动词，动词-ing-ing 后补齐，后补齐，否定变化很容易，否定变化很容易，was was 变为变为wasnt,wasnt,were were 变成变成werent,werent,一般疑问也容易，一般疑问也容易，助动词，句提前，末尾问号别忘记，助动词，句提前，末尾问号别忘记，连词连词while while 很重要，后面引起进行时。很重要，后面引起进行时。语法口诀语法口诀Memorizethelanguagepointsinthisclass.Homework