初中英語八年級下冊 Section A Grammar focusa-4c【全國一等獎】

SectionAGrammarfocus4a—4c

was

Watching

TVtalkingonthephone

was

wereReadingbooksplaying

were

現(xiàn)在分詞的構(gòu)成1)一般動詞在詞尾加-ing,如go--going。2)以不發(fā)音字母e結(jié)尾的動詞,先去掉e,再加-ing。

come--coming

make--making

write--writing3)以重讀閉音節(jié)結(jié)尾的動詞,如果末尾以一個輔音字母結(jié)尾,應(yīng)先雙寫這個字母,再加ing，x和w結(jié)尾的除外。如:get--getting

swim--swimming

show--showing

4)以字母y結(jié)尾的單詞,直接加ing。

如carrying、playing、studying。5)以字母ie結(jié)尾的動詞,變ie為y,再加ing。

die→dying

lie→lying6)以元音字母加e結(jié)尾,或以e結(jié)尾,且e發(fā)音的動詞,直接加-ing。

see--seeing

be--beingObjectives1.能夠熟記并正確使用下列單詞和短語：havealookicykidrealize。

2.繼續(xù)學(xué)習(xí)如何正確使用過去進行時。3.能夠理解并正確使用when和while兩個詞。4.能夠利用when和while描述自己的日常生活。Whatwereyoudoingwhentherainstormcame?Iwas

taking

a

shower.Shewas

cooking.Whatwasshedoingwhentherainstormcame?Hewas

cutting

hair.Whatwashedoingwhentherainstormcame?WhenI…Hewasdoing…WhenIcalledhimup,hewassleeping.Makeupthesentences.LookandsayWhenI…Hewasdoing…WhenIreadthenewspaper,hewaswatchingTV.

Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.GrammarFocus讀下列句子,你能總結(jié)出句子中包含的語法嗎？Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.

總結(jié)

1)when可指時間點,又可指時間段,從句中可用延續(xù)性動詞,也可用非延續(xù)性動詞。

2)while總是指一個時間段,從句中必須用延續(xù)性動詞。Practice1.I______________(watch)TVwhenshe_______(call).2.Whenthephone_______(ring),she___________(write)aletter.3.Whilewe____________(have)apicnic,it_________(start)torain.4.WhileJohn____________(sleep)lastnight,someone_______(steal)hiscar.waswatchingcalledrangwaswritingwerehavingstartedwassleepingstole過去進行時1.概念:

表示過去某一時刻或某段時間內(nèi)正進行的動作。2.構(gòu)成:was/were+動詞現(xiàn)在分詞3.用法:

a:表示某一時刻正進行的行為,與特定的過去時間狀語連用,常見的時間有:at8lastnight,atthistimeatthattime,atthatmoment等e.g.Whatwereyoudoingat10yesterdaymorning?Iwas

writingalettertomyfatheratthatmoment.PastProgressiveTenseb:表示過去某段時間內(nèi)正進行的動作。e.g.Wewerebuildingahouselastwinter.Theywerewaitingforyouyesterday.否定句和疑問句：e.g.Wewere

not

sleepingathome.

Was

he

feelingwell?過去進行時含義:表示過去某個時刻

正在進行的動作。結(jié)構(gòu)：

was/were+doing例句：IwashavinganEnglishclassatthistimeyesterday.現(xiàn)在進行時含義:表示現(xiàn)在正在進行的動作。結(jié)構(gòu)：

is/am/are+doing例句：IamhavinganEnglishclass.

.

Lookatthetableandwritesentenceswithboth

whileand

when.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash活學(xué)活用4a1.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.2.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.3.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.4.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.Fillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup.______I____makingmybreakfast,mybrother______listeningtotheradio.________Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._____wegottotheplaceoftheaccident,thecar_____inbadshapefromhittingatree.Butluckilythedriver____fine.Theroads______icybecauseoftheheavysnowfromthenightbefore.WhilewaswasWhileWhenwaswaswere4bWhatwereyoudoi