+Unit+10+Section+A+Grammar+focus+–+4c 人教版八年级英语下册

八年级·英语·人教版·上册SectionA(GrammarFocus~4c)-Ifyouprepareforlunch,whatwillyoubuy?-IfIprepareforlunch,Iwillbuy….Ifhepreparesforlunch,hewillbuysomebeef.=Hewillbuysomebeefifhepreparesforlunch.

HewillprepareforlunchIf引导下的条件状语从句Whentoprepare?一般现在时一般将来时一般将来时主将从现主句从句Ifyoutakethebustotheparty,you’llbelate.Youwillbesorryifyoudon’tgototheparty,.IfyougotothepartywithTom,you’llhaveagoodtime.Whatwillhappenifitrains?

Whereis“从句”？Whatwillhappenifitrains?Ifit____________(notrain)tomorrow,hewillgofishing.Ifit______________,(becomecold变得更冷)I___________(wear)moreclothes.Ifthefrog__________(想要)playwithPeppa,It__________(jump)upahighhill.主将从现doesn’trainbecomescolderwilljumpwillwearwantstoCanyouhelpme?Gift

主将从现1.________youdrive,youwillnotbelateforwork. A.If

B.Unless

(除非)

C.Though D.Or(否则)Gifts!

2.Thereisgoingto______asportsmeetingnextweek.Ifit_______,we’llhavetocancelit. A.be,doesn’train B.have,willrain C.be,rains D.have,rains

主将从现Gifts!

3.I’mwaitingformyfriend.______,I’llgoshoppingalone. A.Ifshecomes B.Ifsheisn’tcome C.Ifshedoesn’tcome D.Ifshedidn’tcome

主将从现Gifts!

4.Ifshe____angrywithyou,shewillleaveatoncewithout________. A.is;sayingsomething B.isn’t;sayinganything. C.is;sayinganything D.isn’t;sayingsomething.

主将从现Clickhereandseethegift!Hereisasongforyou,guys!Ifyou'rehappyandyouknowit,clapyourhands(clap,clap).Ifyou'rehappyandyouknowit,clapyourhands.(clap,clap).

Ifyou'rehappyandyouknowit,andyoureallywanttoshowit.Ifyou'rehappyandyouknowit,clapyourhands.(clap,clap).IfyouarehappyIfyouarehappyandknowit,

clapyourhands.=Clapyourhandifyouarehappyandknowit.Exercise:Getupearlyifyoudon’twanttobelate.(notwant)

If引导下的条件状语从句一般现在时祈使句主祈从现主句从句Ifyouarehappy,youcanclapyourhands.=Youcanclapyourhandifyouarehappy.其他情态动词：Exercise:Hecanpasstheexam,ifhestudieshard.

If引导下的条件状语从句一般现在时含有情态动词主情从现主句从句(study)may,must,haveto…Summary主将从现Ifitrains,Iwillstayathome.2.主祈从现Ifhecomes,pleaseletmeknow.3.主情从现Ifyoucomefirst,youcanorderthefood.If引导下的条件状语从句Games!GrammarFocusIthinkI'lltakethebustotheparty.Ifyoudo,you'llbelate.IthinkI'llstayathome.Ifyoudo,you'llbesorry.Whatwillhappeniftheyhavethepartytoday?Iftheyhaveittoday,halftheclasswon'tcome.Shouldweaskpeopletobringfood？Ifweaskpeopletobringfood,they'lljustbringpotatochipsandchocolate.2.总结:①时态:if意为“

”,引导条件状语从句时,从句用

时,则主句用

时(即

+

),也就是“主将从现”。

②位置:主句和从句的位置既可

,也可

;当从句在前,主句在后时,通常用

隔开。

如果一般将来一般现在逗号从句在前,主句在后主句在前,从句在后动词原形will3.练一练。用括号内所给单词的适当形式填空。①I

(get)goodgradesifI

(work)hard.

②Ifwe

(get)uplate,we

(have)notimeforbreakfast.

③Ifyou

(help)me,I

(finish)theworksoon.

④She

(look)youngerifshe

(wear)thisnewdress.

willgetwillhavegetwillfinishworkhelpwilllookwears⑤I

(stay)athomeifit

(rain)tomorrow.

willstayrains2.excited是“对……感到兴奋”，通常主语是

人;exciting是“令人感到兴奋的”，通常主

语是物/事件。

Areyouexcited

aboutgoingtoBeijing?你要去北京了，感到兴奋吗？Hetoldusanexcitingstoryyesterday.他昨天给我们讲了一个使人激动的故事。DearSuMei,Idon’t______(know)whatto____(do)aboutgoingtoMike’sbirthdaypartytomorrownight.Myparents_____(think)IshouldstudyformyEnglishexamnextweek.IfI____(go)totheparty,they______(be)upset.Mike_____(tell)3aFillintheblankswiththecorrectformsoftheverbsinbrackets.knowdothinkgowillbetellsustowearniceclothes,butIdon’t_____(have)any.IfI_____(wear)jeans,I_______(look)theworst.Also,I’mnotsurehowto____(go)totheparty.IfI_____(walk),it________(take)metoolong.IfI____(take)ataxi,it______(be)tooexpensive.Canyougivemesomeadviceplease?TinahavewearwilllookgowalkwilltaketakewillbeCompletethesentencesusingyourownideas.1.IfIgetuplatetomorrow,___________2.IfIdon’tfinishmyhomework,______3.IfIdon’tgetenoughexercise,_______4.Iwillnothaveenoughtimetostudyif____________________5.Iwillnotmakeanyfriendsif____________________3b4aRewritethesentencesusingfororsince.JimisinJapan.Hearrivedtherethreedaysago.2.Theyareveryhungry.Theirlastmealwastenhoursago.Theyhavebeenhungryfortenhours/sincetenhoursago.JimhasbeeninJapanforthreeyears.3.Ihaveacamera.Iboughtitin2009.4.IknowAnna.Ifirstmetherthreeyearsago.5.Lindaisill.ShebecameillonMonday.Ihavehadacamerasince2009.IhaveknownAnnforthreeyears/sincethreeyearsago.LindahasbeenillsinceMonday.4bFillintheblankswiththecorrectformsoftheverbsinbrackets.I_______________(neverbe)tothewaterparkbefore.Iwantto_____(go)nextmonthbeforetheweathergetstoocold.2.They_________________(neverown)anypets,butthey___________(alwayswant)tohaveadog.haveneverbeengohaveneverownedalwayswant3.We_________(have)apianosincelast November.We_______(buy)itfrom theLifamilywhentheymovedtothe USlastyear.4.CathyandAmy____________(notbe) backtotheirhometownfortwoyears. They______(miss)theirhometowna lotandhopetovisittheplacenextyear.havehadboughthaven’tbeenmiss5.Thismuseum_________(be)herefor over20years.It_____(be)oneofthe oldestbuildingsinthissmalltown.

hasbeenis4cFillinthequestionsandasktwostudents.Thencompletethechart.1.Doyouhavea(n)_______?Howlonghaveyouhadit?2.Doyouowna(n)_______?Howlonghaveyouownedit?ThingsHowlongTonyfavoritebookbasketballfortwoyearssincehewas10yearsoldstudent1Student2writeareportlikethisaccordingtothechart:Tonyhasafavoritebook.Hehasitfortwoyears.Heownsabike.Hehasowneditsincehewastenyearsold.……一.请根据汉语提示完成下列句子,每空一词。1`1.Willyouhelpme_______________(组织这场晚会)?2.Didn’tyou_____________________(玩得愉快)inthezoo?organizethepartyhaveagood/greattime达标检测基础篇3.Ifyou__________(带零食)totheparty,theteacherwillbeunhappy.4.Theydidn’t_______(让我进来).5.Please________(把……拿走)yourjacket.bringsnacksletmeintakeaway二.请按括号中所给要求完成下列句子，每空一词(含缩写)。1.Youcan’tbringyourfriendstotheparty.(改为祈使句)__________yourfriendstotheparty.2.Don’twearyourjeanstotheparty.Yourteacherwon’tletyouin. (改为以if引导的条件状语从句)_________yourjeanstotheparty,yourteache