Unit5SectionAGrammarfocus課件人教版英語八年級下冊

Unit5GrammarfocusWhatareyoudoingnow?Wearehaving

aclassnow.Presentprogressivetense現(xiàn)在進行時態(tài).Wewerehaving

aclassatthistimeyeaterday.Pastprogressivetense現(xiàn)在進行時態(tài).Theyareplayingcomputergames.Theywereplayingcomputergamesatthattime.I/hewasplayingbasketballattenlastnight.Youwereplayingfootballwhenitbegantorain.are-wereis/am-waswhatcanyouget?Iyouyoutheywemyparentswas+doingsth.were+doingsth.Theyareplayingcomputergames.Theywereplayingcomputergamesatthattime.Iwasplayingbasketballattenlastnight.Youwereplayingfootballwhenitbegantorain.Iwasnotplayingbasketballattenlastnight.Youwerenotplayingfootballwhenitbegantorain.Theyaren'tplayingcomputergames.Theywerenotplayingcomputergamesatthattime.

Jakeissleeping.Jackwassleeping.is-wasMybrotherisplayingbasketball.Mybrotherwasplayingbasketball.Heissingingasong.Hewassingingasong.whatcanyouget?hesheithersisterthatboymyfriend'ssisterwas+doing+....Jackwassleeping.Jackwasnotsleeping.Mybrotherwasplayingbasketball.Mybrotherwas

notplayingbasketball.Hewassingingasong.Hewasnotsingingasong.whatcanyouget?1.過去進行時的各種句式:肯定句:主語+was/were+動詞-ing形式否定句:主語+was/were+not+動詞-ing形式Iwasreadingatthistimeyesterday.

昨天這個時候我正在看書。Iwasn’treadingatthistimeyesterday.

昨天這個時候我沒在看書。1.Theywereplayingcomputergamesatthattime.Weretheyplayingcomputergamesatthattime?2.Iwasplayingbasketballattenlastnight.3.Shewaswatchingfootballgameswhenhermumcameback.?Wereyouplayingbasketballattenlastnight?Wasshewatchingfootballgameswhenhermumcameback?1.Wereyouplayingbasketballattenlastnight?2.Wasshewatchingfootballgameswhenhermumcameback?Yes,Iwas./Yes,wewere.

No,Iwasnot./No,wewerenot.weren'tYes,shewasNo,shewasnot.wasn't疑問句:

(1)一般疑問句:was/were+主語+動詞-ing形式?？隙ɑ卮?Yes,主語+was/were.否定回答:No,主語+wasn’t/weren’t.如：—Wereyoureadingatthistimeyesterday?

昨天這個時候你在看書嗎？—Yes,Iwas./No,Iwasn’t.

是的，我在看。/不，我沒在看。1.Wereyouplayingbasketballattenlastnight?用what提問2.Wasshewatchingfootballgameswhenhermumcameback?Whatwereyoudoingattenlastnight?Whatwasshedoingwhenhermumcameback?(2)特殊疑問句：疑問詞+was/were+主語+動詞-ing形式。如：Whatwereyoudoingatthistimeyesterday?

昨天這個時候你在做什么？WhatwasheresearchingalldaylastSunday?

上周日他一整天都在研究什么？(1)表示過去某一時刻或某一段時間內(nèi)正在進行的動作，常與時間狀語atthattime,atthatmoment,atthistimeyesterday,atteno’clockyesterday等連用。如：2.過去進行時的基本用法:Wereyouplayingbasketballatfouryesterdayafternoon?

昨天下午四點你們在打籃球嗎?(2)表示在過去一段時間內(nèi)持續(xù)進行的動作(有時也可以有間歇)。如：WewerewatchingTVfromseventoninelastnight.

昨天晚上七點到九點的時候我們在看電視。Shewassingingfrom7:00to7:30lastnight.

她昨晚七點至七點半在唱歌。特殊用法(1)常用于介紹故事的背景。如:

(2)when引導的從句表示一個短暫的時間點，謂語動詞用一般過去時，主句用一般過去時或過去進行時；while引導的從句表示一段持續(xù)的時間，主句為一般過去時，從句謂語動詞用過去進行時。如：OnceanArabwastravelinginthedesert.

從前，有個阿拉伯人在沙漠中旅行。

(3)過去進行時常與always,continually等連用,表示過去反復發(fā)生的行為動作，帶有贊美、厭煩等感情色彩。如：Iwaswritingaletterwhenhecamein.

當他進來時，我正在寫信。Thetelephonerangwhileshewaswashing.

當她正在洗衣服時，電話響了。Hewascontinuallyaskingherquestions.

他一直在問她問題。whenwhen引導的時間狀語從句可以表示一個時間點,也可以表示一個時間段。從句中可以用短暫性動詞，也可以用延續(xù)性動詞。Itwassnowingwhenwegottotheairport.我們到達機場時，

天正下著雪。MykeydroppedonthegroundwhenIwaswalkinginthepark.我在公園散步時，

鑰匙掉在了地上。while引導的時間狀語從句常指一個時間段，從句中的動詞常為延續(xù)性的。while有時還可表示主句的動作與從句的動作同時發(fā)生。Whilehewasreading,thephonerang.他正在看書時，電話鈴響了。Somestudentswerereadingwhileotherswerewriting.一些學生在讀書，另一些學生在寫字。

while1)若從句是一個短暫性動作，主句是一個持續(xù)性動作，可用when但不用while：Itwasraininghardwhenwearrived.

我們到達時正下著大雨。2)表示主、從句正在進行的動作或狀態(tài)的對比時多用while：Whileshewasmakingaphonecall,Iwaswritingaletter.when和while的區(qū)別3)when可用作并列連詞，表示“這時(突然)”，但while不可以；while可以用作并列連詞，表示“而、卻”(表示對比)，但when沒有這種用法。Wewereabouttostartwhenitbegantorain.Helikescoffee,whileshelikestea.Lookatthetableandwritesentenceswithbothwhileandwhen.4aJohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwashWhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.____________________________________________________________________________________________________________________________________________________________________________________________WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturned

ontheradio.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.Fillintheblankswithwas,were,whenorwhile.4bAt7:00a.m.,Iwokeup.______I______makingmybreakfast,mybrother_______listeningtotheradio._______Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook.WhilewaswasWhilehavealook意為“看一看”，后接賓語時應(yīng)用havealookat，意為“看……”。_______wegottotheplaceoftheaccident,thecar______inbadshapefromhittingatree.Butluckily,thedriver_______fine.Theroads________icybecauseoftheheav