動(dòng)詞時(shí)態(tài)1.從句中的時(shí)態(tài)2.句型轉(zhuǎn)換①主將從現(xiàn)②when/while引導(dǎo)的時(shí)間狀語從句③賓語從句中的時(shí)態(tài)①謂語動(dòng)詞的形式變化②助動(dòng)詞歸納01從句中的時(shí)態(tài)主將從現(xiàn)時(shí)間從屬連詞條件從屬連詞①遵循“主將從現(xiàn)”的連詞4321untilassoonasnot...untilwhen主將從現(xiàn)時(shí)間從屬連詞1.I’mgoingtobeadoctorwhenI

___________(grow)up.2.I

________(give)thenotetohimassoonasschoolisover.growwillgive主將從現(xiàn)（練一練）3.We’ll

wait

utill

you

___________(make)up

your

mind.4.Don’topenthedooruntilthebus

___________(stop).takestops主將從現(xiàn)（練一練）21unlessif主將從現(xiàn)條件從屬連詞1.Ifyourdaughtercomes,I______youup. A.calls B.call C.called D.willcall2.Ifthere_______nobuyingandsellingofanimals,there_______nokillinginnature.

A.is;willbe

B.willbe;willbe

C.is;is

D.willbe;isDA主將從現(xiàn)（練一練）主將從現(xiàn)②“主將(祈/情)從現(xiàn)”的本質(zhì)Don’tcrosstheroaduntilthe

lightturnsgreen.Ioftengetupassoonasthesunbeginstocomethroughmywindow.1.主句的動(dòng)作和從句的動(dòng)作，都還沒發(fā)生。2.從句的動(dòng)作先發(fā)生，主句的動(dòng)作后發(fā)生主將從現(xiàn)（練一練）1.Shewillcallyouupassoonasshe

___________(finish)herhomework.2.She

__________(stay)athomeuntilhermothercomesback.finisheswillstay3.We

___________(show)theforeignfriendsaroundBeijingwhentheyget

here.4.When

I

got

home,my

grandmother

_________(make)

cakes.willshow主將從現(xiàn)（練一練）1①.WhenIcamein,theywereplayinggamesintheroom.②.When/Whileweweretaking,theteachercamein,when2①.Oneday,whileIwassittinginmycarinaparkingarea,Inoticedayoungboyinfrontofmycar.②.Yesterdaymorning,whileIwasdoingmyhomework,mybrotherwaslisteningtotheradio,whilewhen和while引導(dǎo)的時(shí)間狀語從句when和while引導(dǎo)的時(shí)間狀語從句1.只能用when的情況：從句為非延續(xù)性動(dòng)詞時(shí)2.只能用while的情況：主從句都為延續(xù)性動(dòng)詞時(shí)3.既能用when又能用while的情況：主句為非延續(xù)性動(dòng)詞，從句為延續(xù)性動(dòng)詞時(shí)拓展Someboyslikeswimminginsummerwhileotherslikefishing.while做連詞，還可以為“然而”when和while引導(dǎo)的時(shí)間狀語從句（練一練）1.Davidisatennisplayer.He______

toplaytenniswhenhewassixyearsold. A.begins B.willbegin C.began D.hasbegun2.—_______didtherainstormcome,Mr.Liu?—Whilewe

_______

achemistrylessnonyesterdayafternoon.

A.When;havehad

B.When;werehaving

C.While;arehaving

D.While;haveCB賓語從句中的時(shí)態(tài)Iknowhe’ll

comein

a

few

days.Iknowhecamehereyesterday.Hesaidhecamehereyesterday.Theysaidthattheearthisround.時(shí)態(tài)巧記：主現(xiàn)從任意主過從也過從真用一現(xiàn)賓語從句中的時(shí)態(tài)（練一練）1.Noonecanbesure_____inamillionyears.A.whatmanlookslike B.whatmanlookedlikeC.whatmanwilllooklike D.whatmanlooklikeC賓語從句中的時(shí)態(tài)（練一練）2.Couldyoupleasetellme_____?whydoestheearthgoaroundthesunwhytheearthgoesaroundthesunwhytheearthwentaroundthesunwhattheearthgoesaroundthesunB02句型轉(zhuǎn)換謂語動(dòng)詞形式變化他總是吃你的豆腐。他昨晚吃了你的豆腐。他今晚吃你的豆腐。他正在吃你的豆腐。那時(shí)候他正在吃你的豆腐。他已經(jīng)吃過你的豆腐。Healwayseatsyourtofu.Heateyourtofulastnight.Hewilleatyourtofuthisevening.Heiseatingyourtofu.Hewaseatingyourtofuatthattime.Hehasalreadyeatenyourtofu.謂語動(dòng)詞形式變化他總是吃你的豆腐。他昨晚吃了你的豆腐。他今晚吃你的豆腐。他正在吃你的豆腐。那時(shí)候他正在吃你的豆腐。他已經(jīng)吃過你的豆腐。Healwayseatsyourtofu.Heateyourtofulastnight.Hewilleatyourtofuthisevening.Heiseatingyourtofu.Hewaseatingyourtofuatthattime.Hehasalreadyeatenyourtofu.謂語動(dòng)詞形式變化漢語不變態(tài)英語總變態(tài)學(xué)習(xí)時(shí)態(tài)=_____________________________學(xué)習(xí)謂語動(dòng)詞的變化形式“be動(dòng)詞”型am/is/arewas/werebegoingtoam/is/arewas/weredoingbe動(dòng)詞notbe動(dòng)詞“助動(dòng)詞”型do/doesdidwilldohavedonecan/must...dodo/does/didnotwilldo/does/didnothavenot情態(tài)動(dòng)詞notdo/does/didwillhave情態(tài)動(dòng)詞助動(dòng)詞歸納am/is/are/was/werebedoingdo/does/diddon't/doesn't/didn't...Do/Does/Did...?have/hashave/hasdonewill/wouldwill/woulddocan/could/may/mightcan/could/may/mightdo謂語動(dòng)詞形式變化（練一練）1.Mygrandfatherwaswateringsomeflowersatthistimeyesterday.(變?yōu)榉穸ň?Mygrandfather__________watering__________flowersatthistimeyesterday.2.Ileftmybookinthelab.（改為否定句）I____________________mybookinthelab.wasn'tanydidn'tleave謂語動(dòng)詞形式變化（練一練）3.Thatgirlwasmakingacake.(改為一般疑問句)__________thatgirl__________acake?4.Myfathergetsupearly.(改為一般疑問句)__________yourfather____________early?WasmakingDoesgetup謂語動(dòng)詞形式變化（練一練）5.Kateusuallygoestoherofficebybike.（對(duì)劃線部分提問）____________Kateusua