JohnLennon《JealousGuy》IwasdreamingofthepastAndmyheartwasbeatingfast.Ibegantolosecontrol.人教版八年級(jí)下冊(cè)Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammar-4c過(guò)去進(jìn)行時(shí)（語(yǔ)法課）Learningaims1.TolearntousePastProgressiveTenseVing2.Tolearntosummarizetheusagesofwhen/whileLead-in結(jié)構(gòu)現(xiàn)在進(jìn)行時(shí)主+am/is/are+doing肯定形式IamwatchingTV.主+am/is/are+not+doingSheisn'telayingbasketball.否定形式Islisareadingnow?—般疑問(wèn)句形式is/are+主語(yǔ)+doing?Whatareyoudoingnow?特殊疑問(wèn)句形式疑問(wèn)詞+is/are+主語(yǔ)+doing?現(xiàn)在進(jìn)行時(shí)Sheisdrinkingwater.Heissinging.

Theyaredancing.過(guò)去進(jìn)行時(shí)Shewasdrinkingwater.Hewassinging.Theyweredancing.GrammarFocus1.過(guò)去進(jìn)行時(shí)：was/were+V-ing2.when,while引導(dǎo)的時(shí)間狀語(yǔ)從句。Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework-Whatwashedoingwhen

therainstormcame?Hewasreadinginthelibrarywhen

therainstormcame.WhatwasBendoingwhen

itbegintorainheavily?When

itbegintorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhile

Lindawassleeping?While

Lindawassleeping,JennywashelpingMarywithherhomework.MyparentswerewatchingTVat8:00lastnight.IwasleavingforBeijingthatday.Iwastakingashoweratthattime.Theywereswimmingintheswimmingpoolthistimelastweek.Whenyoucalled,!wastakingashower.Whileyouweresleeping,!calledJennyandshehelpedme.TaskWhen和While引導(dǎo)的時(shí)間狀語(yǔ)從句共同點(diǎn)不同點(diǎn)when都可以引導(dǎo)時(shí)間狀語(yǔ)從句，意為“當(dāng)......的時(shí)候,，引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，既可以表示時(shí)間點(diǎn)，也可以表示時(shí)間段；從句中的謂語(yǔ)動(dòng)詞既可以是非延續(xù)性動(dòng)詞，也可以是延續(xù)性動(dòng)詞.（多用于過(guò)去時(shí)態(tài)）while引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，從句只表示時(shí)間段；從句中的謂語(yǔ)動(dòng)詞必須用延續(xù)性動(dòng)詞。（多用于進(jìn)行時(shí)態(tài)）延續(xù)性動(dòng)詞表示能夠延續(xù)的動(dòng)作。

sing、wait、watch等非延續(xù)性動(dòng)詞（短暫性）表示行為的結(jié)果，動(dòng)作發(fā)生后就立即結(jié)束。open、begin等過(guò)去進(jìn)行時(shí)和when連用WhenIarrivedatschool，Lilywascleaningtheclassroom.原主句Thestudentswerereadingbookswhentheteschcrcamein.主句從句Awas/were+doingsthwhenB+didsth.長(zhǎng)時(shí)動(dòng)作短時(shí)動(dòng)作過(guò)去進(jìn)行時(shí)和while連用WhileTomwasplayingPing-Pong,thebellrang.從句主句IfellwhileIwasrunningattheplayground.主句從句Adid+sthwhileB+was/were+doingsth短時(shí)動(dòng)作長(zhǎng)時(shí)動(dòng)作主句：一般過(guò)去時(shí)從句：過(guò)去進(jìn)行時(shí)（while+延續(xù)性動(dòng)詞）過(guò)去進(jìn)行時(shí)和while連用2MymotherwascookingwhilemyfatherwaswatchingTV.長(zhǎng)時(shí)動(dòng)作主句從句Awas/were+doingsthwhileB+was/were+doingsth長(zhǎng)時(shí)動(dòng)作WhileAmywassleeping,Tomwasdoinghishomewor從句主句whenVSwhile1.While

shewastalkingonthephone,hersisterwalkedin.2.

When

Ifoundmydog,itwasplayingwithanotherdog.3.When

Igothome^motherwascooking.4.