英语人教PEP版八年级（上册）+Unit10+SectionAGrammar+focus+

Unit10Ifyoucometomyparty,you’ll

haveagreattime!SectionAGrammar-3c--What/Who/Howwill…?--Iwill….--…Ifyoudo,…will….--Whatwill…ifwe…?--Ifwe…,…will….-….jeans?…friends?…bus?…watchavideo?…Freetalk:根据课本内容，完成下列句子。

1.我想我将会乘公共汽车去参加聚会。I_____I’lltakethebustothe______.2.如果你那样做，你将会迟到。Ifyou_____,_____belate.3.我想我将待在家里。I__________stayathome.4.如果你那样做，你将会觉得很抱歉。Ifyou____,__________sorry.5.如果他们今天聚会，将会发生什么事？_______________ifthey_____thepartytoday?doyou’llthinkparty

thinkI’lldoyou’llbeWhatwillhappenhave6.如果他们今天聚会，班里一半的学生将不会去。Ifthey______thepartytoday,______theclass_______come.7.我们应当要求人们带食物来吗？Shouldwe______peopleto______food?8.如果我们要求人们带食物来时，他们将会只带薯条和巧克力。______we______peopletobringfood,________just______potatochipsandchocolate.havehalfwon’taskbringIfaskthey’llbringIthinkI'lltakethebustotheparty.Ifyoudo,you'llbelate.IthinkI'llstayathome.Ifyoudo,you'llbesorry.Whatwillhappeniftheyhavethepartytoday？Iftheyhaveittoday,halftheclasswon'tcome.Shouldweaskpeopletobringfood？Ifweaskpeopletobringfood,they'lljustbringpotatochipsandchocolate.Ifyoutakethebustotheparty,you’llbelate.Ifyoustayathome,you’llbesorry.为避免重复,条件状语从句常用助动词do(does/did)来替代上文所提到的动作。GrammarFocusIfyoudo,you’llbelate.Ifyoudo,you’llbesorry.Iftheyhaveittoday,halftheclasswon’tcome.Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.简单句简单句IfIf

是连词，意思是如果；假若；倘若通常表示假设，表示将会发生和可能发生的事，或进行提醒警告。Ifyoudo,you’llbelate.Ifyoudo,you’llbesorry.Iftheyhaveittoday,halftheclasswon’tcome.Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.从句主句如果……,将……一般现在时一般将来时句子结构：If+从句，主句。=主句+if+从句。（从句谈论可能的活动，主句谈论可能的结果）Itwillbesunnytomorrow.Wewillhaveatriptomorrow.Wewillhaveatripifitissunnytomorrow.Ifitissunnytomorrow,wewillhaveatrip.主句在前从句紧跟其后从句在前时，用“,”与主句隔开If引导的条件状语从句的时态:1.当主句用一般将来时时，if引导的条件状语从句用一般现在时。(即主将从现)注意：if引导的条件状语从句通常不用一般将来时。Ifhe_____(get)uplate,he_____(be)lateforschool.如果你想聊天，打我电话。Ifit_____(rain)tomorrow，I_________(stay)athome.如果明天下雨，我将呆在家里。改同义句：Hewillbelateforschoolifhegetsuplate.I'llstayathomeifitrainstomorrow.getswillberainswillstay2.如果主句是祈使句，那么从句通常也是一般现在时。(即主祈从现)Ifyou_____(want)tohaveachat,_____(call)meup.如果你想聊天，打我电话。__________(notwait)formeifI_____(be)late.如果我迟到，就别等我。改同义句：wantcallDon'twaitamCallmeupifyouwanttohaveachat.IfIamlate,don'twaitforme.3.如果主句是含有must，can，may等情态动词时，根据需要从句多用一般现在时。(即主情从现)Youcan_____theexamifyou_____(work)hard.如果你努力学习，你就能通过这次考试。Youmust_____ifthetrafficlight____(be)red.如果交通灯是红色，你必须停下来。改同义句：passworkstopisIfyouworkhard,youcanpasstheexam.Ifthetrafficlightisred,youmuststop.4.表示真实条件、客观真理、自然现象、定理定义、民间谚语等，句型是：If+句子（一般现在时），+主句（一般现在时）.(即主现从现)必然的结果theresultthatwillcertainlyhappen如果温度低于零摄氏度,水就会变成冰。Ifthetemperaturet____belowzero,water____(turn)intoice.=Water____(turn)intoiceifthetemperature____belowzero.isturnsturnsisif条件句不一般，几个要点记心间；条件句，放在前，逗号要居中间；条件句表可能，主句多用将来时；条件句表事实，主句常用现在时。注意：if还可以用于宾语从句中，表示“是否”，=whether，引导宾语从句，时态需根据语境确定。如：Idon'tknowifhewillcometomorrow.Ifhecomes，Iwilltellyou.我不知道他明天是否会来。如果他来，我就会告诉你。(前一个if表示“是否”，引导宾语从句；后一个if表示“如果”，引导条件状语从句)()1.—What______ifJackdoesn’tgetenoughexercise?—Hemaybeill.A.happened

B.willhappenC.ishappening

D.happensto()2.Ifyouputthecupofwaterinthefridge,it______intoice.A.turns

B.willturn

C.turned

D.turningBB()3.Hewillnotmissthebus,______hegetsupearly.A.since

B.if

C.unless

D.but()4.IfKate______tomypartytomorrow,Iwillbeveryhappy.A.comes

B.willcome

C.come

D.coming()5.—Whereareyougoingthisweekend?—Ifit______,I’llgotothebeachwithmymother.A.isn’train

B.won’train

C.doesn’train

D.didn’trainBAC6.如果我走路上学，我将会迟到。(根据汉语意思完成句子，词数不限)IfIwalktoschool,_______________.7.如果我迟到，老师将会很生气。(根据汉语意思完成句子，词数不限)___________,theteacher_____________________.IwillbelateIfIamlatewillbeveryangry3a:Fillintheblankswiththecorrectformsoftheverbsinbrackets.DearSuMei,Idon’t_______(know)whatto______(do)aboutgoingtoMike’sbirthdaypartytomorrownight.Myparents_______(think)IshouldstudyformyEnglishexamnextweek.IfI______(go)totheparty,they________(be)upset.Mike______(tell)ustowearniceclothes,butIdon’t______(have)any.knowdothinkgowillbetellshaveupsetadj.难过；失望；沮丧IfI_______(wear)jeans,I________(look)theworst.Also,I’mnotsurehowto______(go)totheparty.IfI_______(walk),it_________(take)metoolong.IfI_______(take)thetaxi,it_______(be)tooexpensive.Canyougivemesomeadviceplease?Tinawearwilllookgowalkwilltaketakewillbeadvicen.劝告；建议someadvice一些建议advice是不可数名词，“一个建议’’：apieceofadvice，“两个建议”：twopiecesofadvice.

辨析：advice与suggestionadvice不可数名词。表示“一条建议”用apieceofadvice。Iaskedmyteacherforsomeadvice/apieceofadvice.suggestion可数名词，复数形式为suggestions。Iaskedmyteacherforsomesuggestions/asuggestion.givesb.someadvice给某人一些建议asksb.foradvice征求某人的意见take/followsb.'sadvice听从某人的意见()1.—MissLi,couldyougiveme______onEnglishlearning?—Certainly.FirstyoushouldspeakEnglisheveryday.A.anadvice

B.manyadvicesC.someadvice

D.anyadvices()2.—Let’sgototheconcerttonight.—What______goodadviceitis!A.a

B.an

C.the

D./CD1.IfIgetuplatetomorrow,_______________________.

2.IfIdon’tfinishmyhomework,_______________________.

3.IfIdon’tgetenoughexercise,__________________.

4.Iwillnothaveenoughtimetostudyif______________________________.

5.Iwillnotmakeanyfriendsif_______________________.

Iwillmisstheschoolbusmy

teacherwillbeangryIwon’tbestrongIplaycomputergamesallthedayIalwaysmakethemupset3b：Completethesentencesusingyourownideas.finishdoingsth.:“完成做某事”。3c:Writeastorywithyourgrouponapieceofpaper.Thefirstpersonbeginsthestorywith“IthinkIwill...”Theothersaddsentenceswith“if”.Passthepaperaroundtwice.Thenreadthestory.IthinkIwillgotothemoviestonight.IfIgotothemovies,Iwon'tfinishmyhomework.IfIdon'tfinishmyhomework...Itiscalled“ChainReaction(连锁反应)”or“ButterflyEffect（蝴蝶效应）”.SummaryIf引导的条件状语从句的时态:1.当主句用一般将来时时，if引导的条件状语从句用一般现在时。(即主将从现)2.如果主句是祈使句，那么从句通常也是一般现在时。(即主祈从现)3.如果主句是含有must，can，may等情态动词时，根据需要从句多用一般现在时。(即主情从现)4.表示真实条件、客观真理、自然现象、定理定义、民间谚语等，句型是：If+句子（一般现在时），+主句（一般现在时）.(即主现从现)注意：if还可以用于宾语从句中，表示“是否”，=whether，引导宾语从句，时态需根据语境确定。1.Johnsonwon’tanswerthephoneifhe________thenumber.【广东】A.knewB.willknowC.doesn’tknowD.didn’tknow2.IfNick___hometoolate,he___hisfavoritecartoon.A.gets;missesB.gets;willmissC.willget;missesD.willget;willmiss3.Ifyoudon'tgoshopping,I________，either.A.don't B.didn't C.aren't D.won'tPractice：单项选择4.—Celia,joinusintheSummerCampifit_______thisweekend.—I’dloveto.Butnobodyknowsifit______.A.isfine;rainsB.is