Unit10词汇语法（if条件状语从句）人教版八年级英语上册

Unit10Ifyougototheparty,you’llhaveagreattime.词汇篇短语集锦：gotothepartyhaveagreat/goodtimestayathometakethebustomorrownighthaveaclasspartyhaveaclassmeetinghalftheclassmakesomefoodatthepartyorderfoodpotatochipsbeangrywithsb.givesbsomeadvicetravelaroundtheworldgotocollegemake（alotof）moneygetaneducationworkhardasoccerplayerkeep…tooneselftalktosb.inlifeintheendbeangryat/aboutsthmakemistakesinthefuturerunawaythefirststepinhalfsolveaproblemschoolcleanup习惯用法：asksb.todosth givesbsth.tellsb.todosthtoo…todosthbeafraidtodosth.advisesbtodosthIt’sbest(not)todosth.needtodosth点金讲解：1.Iwanttobuyanewbike.Canyougiveme

?A.someadviceB.someadvicesC.anadviceD.somepieceofadvice2.Thelittlegirlisafraid

alone.A.walkB.towalkC.ofwalkD.walks语法篇If引导的条件状语从句的用法，表示在某种条件下某事很可能发生。Ifitsnowstomorrow,wewillbuildasnowman.Ifyoufailintheexam,youwilllethimdown.注意：If引导的条件状语从句和宾语从句的区别if引导的条件状语从句，通常考查的内容为：主句为一般将来时态，从句用一般现在时表将来。If引导的宾语从句，主句是一般现在时，那么宾语从句可根据时间状语选用各种对应的时态；如果主句是一般过去时，那么宾语从句要用过去的某种时态。Ifitdoesn’train,Iwillgotothecinematomorrow.Ithinkwe’llgoifwedon’thavemuchhomework.Unless的用法：相当于“if...not...”意为除非，如果不。Youwillfailtoarrivethereintimeunlessyoustartearlier.Don’teunlessItelephone.Aslongas...用法：Aslongasyoupromisetoe,I’llwaitforyouuntilyoue.在含有条件状语从句的复合句中，如果主句是一般将来时或含有情态动词must，may，can等，则从句常用一般现在时态表示一般将来时态。I’llhelpyouwithyourEnglishifIamfreetomorrow.If引导主将从现句型：IthinkI’lltakethebustotheparty.Ifyoudo,you’llbelate.Whatwillhappeniftheyhavethepartytoday?Iftheyhaveittoday,halftheclasswon’te.Shouldweaskpeopletobringfood?Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.点金讲解：1.Theriverswillbeedirtieranddirtier

wetakeactiontoprotectthem.A.sinceB.ifC.untilD.unless2.Ifyou_____totheparty,you’llhaveagreattime.3.–Whatareyougoingtodotomorrow?

We’llgotothelibrarytomorrowifit___.A.isn’train

B.rain

C.won’train

D.doesn’train4.Whatwillyoudoifyou_____totheoldfolk’shomevisit?A.go

B.went

C.going

D.willgo5.I’llgivethebooktohimifhe___herenextSunday.A.wille

B.es

C.ising

D.came基础演练1.Ifyou_______(feel)tired,you______(have)tohavearest.2.Where_____he______(see)thefilmifhe________(have)time?3.Ifthere____(be)fewertrees,there_______(be)morepollution.4.He_____(dress)

morecasuallyifhe_______(notwork)onweekends.5.IfMarcia_______(live)alone,she_______(keep)apetparrot.6.Lana_____(buy)anewdressiftheoldone____(be)outofstyle.7.Thetwins_____(fight)ifthey__________(argue).8.I______(have)abakesaleifI____(need)moneyforeducation.9.Peter____(send)meabeautifulsouvenirifhe____(tour)Spain.10.IfMr.green_______(say)Iamhardworking,myparents_____(feel)glad.11.I______(go)tothebeachifit________(notrain)thisweek.12.____they______(have)amatchiftheP.E.teacher_______(be)busy?13.He_______(write)alettertohisgrandparentsifhe___