2023年八年级英语上册Unit10Ifyougotothepartyyou'llhaveagreattime第2课时SectionAGrammarFocus-3c课件新版人教新目标版

Unit10Ifyougototheparty,you’llhaveagreattime!SectionAGrammarFocus-3cR·八年级上册LearningobjectsTopic:whethertojointhepartyornot?Importantpoint:talkaboutconsequencesDifficultpoint:theuseofconditionaladverbialclause(条件状语从句)andmodalverb“should”ReviewIfyougotothepartywithKarenandAnna,you’llhaveagoodtime.Ifyouwearjeanstotheparty,theteacherswon’tletyouin.Ifyoutakethebustotheparty,you’llbelate.Ifyoudon’tgototheparty,youwillbesorry.Lead-in

IfIbringacellphonetoschool,whatwillhappen?Ifyoudo,youwillbepunished(惩罚)byyourteacher.WhatwillhappenifIdon’ttakeanumbrellaonarainyday?Ifyoudo,youwillgetwetallover.Whatwillyoudoifit’sasunnyday?Ifit’sasunnyday,Iwilltakeatriponthefield.IthinkI’lltakethebustotheparty.Ifyoudo,you’llbelate.IthinkI’llstayathome.Ifyoudo,you’llbesorry.Whatwillhappeniftheyhavethepartytoday?Iftheyhaveittoday,halftheclasswon’tcome.Shouldweaskpeopletobringfood?Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.GrammarFocusIfQ:Whatdothesesentenceshaveincommon?llIfllIfwon’tIfllShould一、If引导的条件状语从句1.If意为“如果”，引导条件状语从句时，既可在主句前，也可在主句后。若放在句首，从句后面

要加逗号与主句隔开。例：如果你去那儿，我也会去。________________________Ifyougothere,I’llgo,too.GrammarIf+…,条件结果2.句型结构：从句

主句I’ll/you’ll+…3.时态：主句是一般将来时，从句一般现在时。主句是有情态动词may/might/can/must/should等句子，从句一般现在时。Ifhecomes,hewillbringhisviolin.Ifyouwanttoloseweight,youmusteatlessbread.主句是祈使句，从句一般现在时。Don’tcarrytheboxifyouarenotstrongenough.4.句型转换（1）借助“祈使句+and/or+句子（一般将来时

结构）”来转换。其中，在句意上and表

示顺承；or表示转折，意为“否则”。

Ifyouworkhard,you’llpasstheexameasily.=Workhard,andyou’llpasstheexameasily.=Workhard,oryouwon’tpasstheexameasily.（2）借助without或with来转换条件状语从句。Ifthereisnowater,fishwilldie.=Fishwilldiewithoutwater.1.CallmeifTina______(willcome/comes).comes2.Shemustseeadentistifshe____(has/willhave)atoothache.has3.Haveagoodrestifyou____(willbe/are)tired.are4.What___________(happen)ifweclimbthetree?will

happen随堂精练5.Ifit_____(rain)tomorrow,we__________(notgo)hiking.6.Ifyouwearjeanstotheparty,theteachers_______(be)angry.7.Don’t______(bring)foodtoschool.8.Wearegoingto_____(ride)bikestoschool.rainswon’t

gowill

bebringride二、should的用法1.should为情态动词，意为“应该；应当”，后接动词原形，无人称和数的变化。（1）should意为“应该”，表示劝告或建议。Youshouldstopsmoking.（2）should表示要求或命令。Youshouldn’ttalkinclass.（3）should表示预测或可能。Hisschoolbagshouldbeintheclassroom.（4）should有时表示说话人的感情，如惊讶、

愤怒、失望等。WhyshouldIgo?2.基本句式肯定句：sb.should+动词原形+其他.Maybeheshouldsaysorry.否定句：sb.shouldn’t+动词原形+其他.Youshouldn’tsmokeinthehospital.一般疑问句：Shouldsb.+动词原形+其他?Shouldyoucomeheretonight?3aReadthepassagequicklyandfindouttheanswersbelow.Whowrotethisletter?Whoistheletterfor?Whydoesthepersonwritetheletter?Whataresomeworriesthepersonhas?Let’schecktheanswersWhowrotethisletter?Whoistheletterfor?Whydoesthepersonwritetheletter?Whataresomeworriesthepersonhas?Tina.SuMei.ShewantstoaskforsomeadviceonMike’sbirthdayparty.Togoornottogo;Whattowear;Howtogetthere.Fillintheblankswiththecorrectformsoftheverbsinbrackets.DearSuMei,Idon’t______(know)whatto____(do)aboutgoingtoMike’sbirthdaypartytomorrownight.Myparents______(think)IshouldstudyformyEnglishexamnextweek.IfI____(go)totheparty,they_______(be)upset.knowdothinkgowillbeupset“难过；失望；沮丧”beupsetabout/atsth.因某事而难过beupsetwithsb.对某人感到不快拓展:v.使烦恼；打乱；扰乱e.g.Thebadnewsupsethim.Mike______(tell)ustowearniceclothes,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?Tinatoldhavewearwilllookgowalktakewilltakewillbetaxi

n.出租汽车；的士advice

不可数名词，“劝告；建议”apieceofadvice一条建议拓展:asksbforadvice征询某人的建议givesbsomeadviceon…给某人一些关于……的建议follow/takeone’sadvice听取/采纳某人的建议1.IfIgetuplatetomorrow,____________________________________.

2.IfIdon’tfinishmyhomework,________________________________.

3bCompletethesentencesusingyourownideas.theschoolbuswillbeangrymy

teacherIwillmiss3.IfIdon’tgetenoughexercise,____________________________.

4.Iwillnothaveenoughtimetostudyif________________________________.

5.Iwillnotmakeanyfriendsif______________________________________.

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