Unit5SectionAGrammarFocus课件人教版英语八年级下册

SectionAGrammarFocusUnit5Nature’sTemperPayattentiontothestructureofthetense.Iwastravellingonthetrainthen.MychildrenandIwerereadingtogether.Whenmyneighbourcalled,myfamilywerehavingdinner.Weweredrivinghomewhenthestrongwindsstarted.Itwasraininghardwhileweweredrivingback.was/were+v-ingPastcontinuoustense（过去进行时）:Theyshowanongoingactioninthe_____.nowinthepastpast(1)_____________________+was+v.

-ing.(2)___________________+were+v.

-ing.

I/They/We/You/n.

(pl.)He/She/It/n.(sing.)过去某一段时间内持续进行的动作过去某一时刻正在进行的动作Readthesentences.Underlinetheverbswhichshowanongoingactioninthepast.Whatwereyoudoingwhileitwassnowingheavily?Iwastravellingonthetrainthen.Whatwereyourfamilydoingwhenthetyphoonhit?MychildrenandIwerereadingtogether.Whenmyneighbourcalled,myfamilywerehavingdinner.Weweredrivinghomewhenthestrongwindsstarted.Whileweweredrivinghome,thestrongwindsstarted.Itwasraininghardwhileweweredrivingback.4awas/were+v-ingPastcontinuoustense（过去进行时）:PastContinuousTense肯定句否定句一般疑问句特殊疑问句主语＋was/were＋v-ing＋其他.主语＋wasn’t/weren’t＋v-ing＋其他.Was/Were＋主语＋v-ing＋其他？Yes,主语＋was/were.No,主语＋wasn’t/weren’t.

特殊疑问词

+was/were+主语+v-ing+其他?Iwassleepingattenlastnight.Iwasn’tsleepingattenlastnight.Wereyousleepingattenlastnight?Whatwereyoudoingattenlastnight?Yes,Iwas.No,Iwasn’t.基本句式swimhidecutbeathitwatchshinelieLet’sreviewreadreadinghavehavingtraveltravellingtietyingVerb+ingDrope+ingAddaconsonant+ingChangeieintoy+ingrain—rainingdrive—drivingsit—sittingdie—

dyinghide—hidingbeat—beatingswim—swimmingcut—cuttinghit—hittingwatch—watchinglie—lyingshine—shiningWhatwereyoudoingwhile

itwassnowingheavily?Whatwereyourfamilydoingwhenthetyphoonhit?Whenmyneighbourcalled,myfamilywerehavingdinner.Weweredrivinghomewhen

thestrongwindsstarted.While

weweredrivinghome,thestrongwindsstarted.Itwasraininghardwhileweweredrivingback.4aWhatare

thedifferencesbetween

whenand

while

whenusedinpastcontinuoustense?引导的时间状语从句从句中的谓语动词whenwhile时间点瞬间性（非延续性）动词时间段延续性动词延续性动词时间段延续性动词VS.非延续性动词延续性动词指动作可以延续一段时间，而不是瞬间结束。非延续性动词指动作极为短暂，瞬间结束。dosnowhavedinnerhitstopcallstartdriverainsleepleavebreak(1)

_____________

ashopownerwastryingtomovewetthings,someyoungpeoplecameovertohelp.(2)

__________somefamilieswerewaitingforcleanwater,alocalcompanywasgivingoutfreewaterintheneighbourhood.(3)

Awomanwastryingtofixherbrokenwindowsalone______twoneighbourscameupwithtoolstohelpher.(4)______________

agroupofvolunteerswereclearingfallentreesfromtheroad,acarstoppedtoofferthemwaterandsnacks.whenWhile/whenWhile/WhenWhile/WhenPleasefillintheblankswithwhenorwhile.延续性动词延续性动词瞬间性动词延续性动词while引导的时间状语从句表示时间段,其从句的谓语动词必须是延续性的。when引导的时间状语从句可表示时间点和时间段,其从句的谓语动词可以是延续性的,也可以是非延续性的。1.

Ididmyhomework.Thetyphoonlandedonthecoast.2.

Thepowerwentout.MyfatherandImadedinner.3.

Katewrotealetter.Herbrothercalledtowarnherofthestorm.4.

Myparentspackedthesupplies.Imovedourthingsoffthefloor.5.

Isleptsoundly.Itrainedcatsanddogs.Step1

找出动词,判断延续/非延续Step2

确定时态-

非延续动词

→

一般过去时-延续动词

→

过去进行时Step3

选择连词延续性动词非延续性动词4aCombineeachpairofsentencesusingwhenorwhile.1.

Ididmyhomework.Thetyphoonlandedonthecoast.Step1

找出动词,判断延续/非延续Step2

确定时态-

非延续动词

→

一般过去时-延续动词

→

过去进行时Step3

选择连词延续性动词非延续性动词4aCombineeachpairofsentencesusingwhenorwhile.Whenthetyphoon

landed

onthecoast,Iwasdoing

myhomework.Thetyphoonlandedonthecoast

whileIwasdoing

myhomework.Imyhomeworkwhenthetyphoononthecoast.wasdoinglanded2.

Thepowerwentout.MyfatherandImadedinner.延续性动词非延续性动词go

out(火或光)熄灭Thepowerwentout

whilemyfatherandIweremakingdinner.MyfatherandIweremakingdinnerwhenthepowerwentout.WhilemyfatherandIweremakingdinner,thepowerwentout.Whenthepowerwentout,myfatherandIweremakingdinner.Step1

找出动词,判断延续/非延续Step2

确定时态-

非延续动词

→

一般过去时-延续动词

→

过去进行时Step3

选择连词3.

Katewrotealetter.Herbrothercalledtowarnherofthestorm.Step1

找出动词,判断延续/非延续Step2

确定时态-

非延续动词

→

一般过去时-延续动词

→

过去进行时Step3

选择连词延续性动词非延续性动词4aCombineeachpairofsentencesusingwhenorwhile.While

Katewaswritingaletter,herbrothercalledtowarnherofthestorm.Whenherbrothercalledtowarnherofthestorm,Katewaswritingaletter.Katewaswritingaletterwhenherbrothercalledtowarnherofthestorm.HerbrothercalledtowarnherofthestormwhileKatewaswritingaletter.(4)Myparentspackedthesupplies.Imovedourthingsoffthefloor.Step1

找出动词,判断延续/非延续Step2

确定时态-

非延续动词

→

一般过去时-延续动词

→

过去进行时Step3

选择连词MyparentswerepackingthesupplieswhileIwasmovingourthingsoffthefloor.Whilemyparentswerepackingthesupplies,Iwasmovingourthingsoffthefloor.WhileIwasmovingourthingsoffthefloor,myparentswerepackingthesupplies.Iwasmovingourthingsoffthefloorwhilemyparentswerepackingthesupplies.延续性动词Step1

找出动词,判断延续/非延续Step2

确定时态-

非延续动词

→

一般过去时-延续动词

→

过去进行时Step3

选择连词延续性动词(5)Isleptsoundly.Itrainedcatsanddogs.sleptwell/hadagoodnight’ssleep睡得很香Itwasrainingcatsanddogswhile

Iwassleepingsoundly.Iwassleepingsoundlywhileitwasrainingcatsanddogs.Whileitwasrainingcatsanddogs,Iwassleepingsoundly.WhileIwassleepingsoundly,itwasrainingcatsanddogs.

WhenJennylookedup,thickblackcloudswereforminginthesky,andtherain_____beatingagainsttheirroof.

“Quick,thisway,”saidDad.

Thefamilyrantothesaferoomatonce.___________theywerewaiting,Jenny’slittlesisterstartedtocry.Dadgavehersomechocolateandtoldherthatthey_____hidingfromanangrylion.Soon,shewaslaughingagain.

Atlast,thestormpassed._______theysteppedoutside,theyfoundthesunshining.Peoplewereaskingoneanotheriftheyweresafewhilesome______startingtoclearthestreets.Jennysmiled.Thetornadowasscary,butitalsobroughteveryoneclosertogether.Completethepassagewithwas,were,whenorwhile.was/were+v.-ingwasWhile/Whenwas/were+v.-ingwereWhenwere4cItwasatornado./tɔːˈneɪdəʊ/(1)Whatdid

Jenny

notice

whenthetornadohit?Thesaferoom.(2)WheredidJenny’sfamilygotokeepsafeduringthetornado?Thickblackcloudswereforminginthesky,andtherainwasbeatingagainsttheirroof.TornadosaferoomsarequitecommonintheUnitedStates,especiallyinTornadoAlley.龙卷风走廊Carefulreading:Readagainandanswerthequestions.(3)WhatdidDaddotomakeJenny’slittlesisterstopcrying?Hegavehersomechocolateandtoldherthattheywerehidingfromanangrylion.Becausethelittlegirlwastooyoungtounderstandwhatatornadowas.Bycomparingittoanangrylion,Dadmadeherfeellessafraidandhelpedheracceptwhatwashappeningmoreeasily.(4)WhydidDadcomparethetornadotoanangrylion?(5)Whydidthewriterthinkthetornadobroughteveryoneclosertogether?Later,afterthetornado,peoplecaredabouteachother’ssafetyandworkedtogethertocleanupthestreets.Theseactsbroughteveryoneclosertogether.Becauseduringthetornado,herfamilysupportedeachotherclosely.BeforethetornadoDuringthetornadoAfterthetornado

WhenJennylookedup,thickblackcloudswereforminginthesky,andtherain_____beatingagainsttheirroof.

“Quick,thisway,”saidDad.

Thefamilyrantothesaferoomatonce.___________theywerewaiting,Jenny’slittlesisterstartedtocry.Dadgavehersomechocolateandtoldherthatthey_____hidingfromanangrylion.Soon,shewaslaughingagain.

Atlast,thestormpassed._______theysteppedoutside,theyfoundthesunshining.Peoplewereaskingoneanotheriftheyweresafewhilesome______

startingtoclearthestreets.Jennysmiled.Thetornadowasscary,butitalsobroughtever