主將從現1/17主將從現是指在時間狀語從句

和條件狀語從句中，假如主句是普通未來時，從句用普通現在時替換普通未來時。什么是主將從現？2/17if

:Ifyouaskhim,hewillhelpyou.

引導條件狀語從句詞有哪些？unless

:I’llgotheretomorrowunlessitrains.3/17when,while,before,after,untill,till,since,assoonas,引導時間狀語從句詞有哪些？4/171.主將從現2.主祈從現3.主情從現主將從現有哪些內容？5/17主句是普通未來時，從句用普通現在時。WhenIgrowup,I’llbeadoctor.Ifyougototheparty,youwillbehappy.1.主將從現6/17主句是祈使句，從句用普通現在時。

Don’tlaughatmewhenImakeamistake.2.主祈從現7/17主句中含有情態動詞，從句用普通現在時。

Youshouldbequietwhenyouareinthereadingroom.3.主情從現8/17Exercise9/171.IfIcome,I________(see)you.2.Ifitisfine,we______(go)forawalk.3.Ifitrains,they_________(stay)athome.4.Youwillspoilitifyou______(notbe)careful.

willseewillgowillstayaren’t10/175.Wewillbeverymuchpleasedifyou_____(come).6.WillyouhelpmeifI_____(need)you.7.Theywillgetwetifit____(rain).8.Wewillanswerifwe___(can).9.Ifyoueattoomuch,you______(get)ill.comeneedrainscanwillget11/17()10.---WhatwillBilldoifhe____inthetest?

---Hewilltryagain.failB.failsC.willfailD.isfailing()11.Pleasetellherthenewswhenshe_____.OK,Iwill.A.comesB.willcome.C.comeD.wouldcome

BA12/17()12.Thestudentswillplanttreesifit___tomorrow.

A.didn’trainB.hasn’trainedC.won’trainD.doesn’train()13.We__homeifthereisnobus.---Oh,whatapity!willwalkB.havewalkedC.walkedD.walk

DA13/17()14.Ifit_____tomorrow,I’llgobycar.

A.rainB.willrainC.rainsD.wouldrain()15.IfMary____nextSunday,wewillgoboatingtogether.

A.willcomeB.comesC.shallcomeD.shouldcome

CB14/17()16.---Don’tforgettoaskhimtowritetome.

---Iwon’t.Assoonashe____,I’llaskhimtowritetoyou.

A.willcomeB.cameC.comesD.iscoming

C15/17()17.---CanIgotoBeijingformyholiday,Dad?

---Youcanwhenyou_______abitolder.

A.willgetB.getC.aregettingD.got()18.Ifhe___