2023年中考英语语法专题讲解之If条件从句总结及练习

2023年英语中考语法专题讲解

If条件从句总结及练习If条件状语从句

如果1.如果没下雨，我们会去购物。Ifitdoesn'train,wewillgoshopping.（主将从现）2.如果没下雨，我们去钓鱼吧。Ifitdoesn'train,let'sgofishing.(主祈从现)3.如果没下雨，我们可以去看电影。Ifitdoesn'train,wecangotoamovie.（主情从现）1.如果你起晚了，上学将会迟到Ifyougetuplate,youwillbelateforschool.2.如果明天下雨，我们就不去长城了。Ifitrainstomorrow,wewon’tgototheGreatWall.一，主句中有will,won’t等表示将来的意义，从句用一般现在时，也就是________________。主将从现如果她足够友好的话，我可能会帮助她。Ifsheisfriendlyenough,Imay/mighthelpher.二,情态动词可以表将来，主句中含有can,may,must,should,might等情态动词时，从句用一般现在时。也就是__________。主情从现1.如果你想看点让人愉悦的，选择《木兰传》吧。

Ifyouwanttoseesomethingenjoyable,chooseMulan.2.如果他来了，要让我知道。Ifhecomes,letmeknow.三，祈使句发生的动作也在将来，主句是祈使句，从句用一般现在时，也就是___________。主祈从现他一回来我就打电话给你。1.Iwillcallyouassoonashecomesback.2.Iwillcallyouwhenhecomesback.3.Iwillcallyouaslongashecomesback.4.Iwon'tcallyouuntilhecomesback.主将从现，还有unless,when，assoonas,aslongas,not…until

1.Ifyouworkhard,you’llpasstheexam.=Workhard,andyouwill

passtheexam.转换:2.Ifyoudon’thurryup(快点),youwillbelate.=Hurryup,oryouwillbelate.=Youwillbelate

unlessyouhurryup.除非正面结果用and；反面结果用or或unless1.Ifhe___harder,hewillcatchupwithussoon.AstudyBstudiesCwillstudy2.IwillgoswimmingwithyouifI___freetomorrow.AwillbeBwasCam

3.Ifyou___achancetostudyinaforeigncountry,justtakeit.AgettingBwillgetCgetBCC4.Don’tleaveuntilhe___back.AhavecomeBcomesCwillcome5－Tellhimaboutthenewswhenhe____,

John.－Yes,Iwill.AcomesBwillcomeCiscoming6Pleasedon’tleaveuntilyourteacher___back.AwillcomeBiscomingCcomesBACIf条件状语从句

是否if是否（宾语从句）1.Iwanttoknowifhe_____(play)sportseveryday.2.Iwanttoknowifhe__________(come)tomorrow.3.Iwanttoknowifhe______(go)

toChangshayesterday.

willcomewentplaysif/whether引导的宾语从句，从句与主句的时态保持一致；即主句一般现在时，从句用任意时态；主句过去时，从句用与过去的某一种时态

我想知道他是否是对的。Iwonderwhetherheisrightornot.=Iwonderifheisright.

if=whether...(ornot)

只能用whether不能用if的情况1.在介词后面：I’mthinkingofwhetherweshouldgofishing.Wedidn’tthinkaboutwhetheritwouldrainthenextday.2.在动词不定式前：Theyaskedmewhethertositatthefront.3.当与ornot连用，或提出两种选择

时:Idon’tknowwhetherhe’sfreeornot.MaryaskedwhetherIwasdoingmyhomeworkornot.Tellmewhetheryou’dliketogoshoppingor

tidytheroom.4.宾语从句提前时：Whetherthisistrueornot,Ican’tsay.5.在动词discuss后的宾语从句中:Wediscussedwhetherwewouldhaveasportsmeetingnextweek.用if不用whether的情况:1.引导否定概念的宾语从句时：HeaskedmeifIhadn’tfinishedmyhomework.2.引导条件状语从句，if意为

“如果”时:We’llgohikingifitdoesn’traintomorrow.1.Mymotherwantstoknowifit______sunnytomorrow.A.willbeB.isC.was2.Canyoutellme______helikesitornot?A.ifB.whetherC.weatherAB3.Theoldwomanaskedm