Unit9条件状语从句课件 人教版英语八年级下册

条件状语从句AdverbialClauseofConditionDEFINITION如果你看过一部叫Titanic的电影，那你一定知道我在说什么如果你还看过Inception，那你已经掌握了条件状语从句的定义About20YearsAgo

Ifyoujump,Iwilljump3Then......4If

youjump,Iwillnotjumpwithyou.Timechangealot！5Definition•定义6什么是状语？？？IstudyEnglish.IstudyEnglishwell.IstudyEnglishat

school.IstudyEnglishon

Saturday.状语：修饰谓语动词，用于说明时间、地点、原因、方式、条件、目的、结果等状况的成分。副词通常作状语。Definition•定义7什么能做状语？？？IstudyEnglishwell.副词IstudyEnglishat

school.介词短语IstudyEnglishon

Saturday.介词短语IstudyEnglishbecauseIloveit.句子！状语从句：用句子作状语就把这个句子称作状语从句。classification8Whatwereyoudoingwhentherainstormcame?

时间

Whereveryougo,Iwillwaitforyou.地点Hecan’tgowithusbecausehewasill.

原因Althoughheisill,hestillgoestoschooltoday.让步IgetupearlysothatIcancatchthefirstbus.

目的Youaresoyoungthatyoucan’tplayonlinegames.结果IfIamanemperor,Iwillhavesomanywives. 条件theLeadWordIf如果引导条件状语从句表示主句中动作发生的条件表示假如有从句的动作发生就会有主句的动作发生9if从句，+主句主句+if从句Ifyoujump,IwilljumpIwilljumpifyoujump由if引导的条件状语从句表示在某种条件下某事很可能发生主将从现Ifyouaskhim,hewillhelpyou.主祈使句，从一般现在Studyhard,ifyouwanttopasstheexam.主语+情态动词，从句if+主语+一般现在时Icangowithyouifyouwant.10Example•例子11Ifyouarehungry,youshouldeatsomefood.As

long

asitdoesn’train,Icangocampingwithyou.Unlessyoufinishyourhomework,youcan’tgoout.主情从现Example•例子12Don’tlaugh

atmeifImakeamistake.Don’tturn

ontheTVunlessyoufinishyourhomework.Don’tbe

upset

ifyoufailtopasstheexam.主祈从现如何区分主句与从句？？？13找连接词：连接词引导的句子为从句，反之为主句Ifyoujump,Iwilljump.Ifyoujump,Iwillpush.连接词If：如果

畅想时刻：if...14Tense•时态15主将从现：主句一般将来时，从句一般现在时主句是一般将来时、祈使句或含情态动词时，从句要用一般现在时表将来Ifwetryhardertomorrow,wewillwinthefirstprize.Aslongaswekeepcontactwitheachother,youwillnotfeellonely.PRACTICE16IfI___________(arrive)inHongkong,Iwillcallyou.Ifhe__________(have)time,heisgoingtoseethemoviewithme.3.Ifyou___B___tomorrow，Iwillletyouknowallaboutit．A．willcome B．come C．came D．comes4.Itgetscoldatnight．___A__youdon'twearyourcoat，you'llcatchacold．A．If B．How C．While D．UnlessarrivehasPRACTICE171.Ifmybrother___D__totheparty,he_____agoodtime.went;have B.goes;has C.willgo;willhave D.goes;willhave2.Ifsomeonemarries(marry)me,hewillbe(be)veryhopeless.3.如果他打电脑游戏，他的妈妈会揍（hit）他。Ifheplayscomputergames,hismotherwillhithim.4.IfIwillstudyhard,Igetgoodgrades.(找茬）181.Ifthere_______nobuyingandsellingofanimals,there_______nokilling.A.is;willbe B.willbe;willbe C.is;is D.willbe;is2.Ifyou_______tired,youmusthavearest.A.feel B.felt C.feeling D.feels3.Pleasegivehimthisbookifhe________.A.returned

B.willreturn

C.return

D.returns4.Don't______yourbiketoworkifit_______tomorrowmorning.A.ride;rain

B.ride;rains

C.rides;willrain D.willride;willrain5.Frank______toseehisgrandmaifhe______freetomorrow.A.willcome;willbe B.comes;is

C.willcome;is D.comes;willbe19Youwillnotsucceed________youtryyourbest.and B.unless C.if D.aslongas2.—Wouldyouliketogocampingwithustomorrow?—Sure,Iwillgowithyou________itdoesn’traintomorrow.because B.so Cif D.unless3.Youwillbelateforschool________youdon’tgetupearly.A.aslongas B.if C.and D.unless4.Theoldlibrarywillclosesoon________peoplecangivesomemoneytoit.A.if B.unless C.because D.although5.—Thenovelseemsalittleboring.—Youwillenjoyit________youcanfeelitwithyourhea