Let'sCommunicate!Unit8SectionAGrammarFocus英語人教版八年級(jí)上冊(cè)通過本節(jié)課的學(xué)習(xí)，學(xué)生能夠：1.

歸納并總結(jié)出真實(shí)條件句的句式結(jié)構(gòu)特點(diǎn)、表意功能及其用法。能夠根據(jù)假設(shè)情境匹配出完整的條件句。2.根據(jù)文本形態(tài)及內(nèi)容推斷出與之相關(guān)的交流方式與交際情境，并在語境中正確運(yùn)用條件句描述未來可能發(fā)生的事情。3.選擇使用合適的方法來解決生活中出現(xiàn)的問題。重點(diǎn)重點(diǎn)LearningobjectivesWatchandsayWatchandsayIfyoueverfindyourselfstuckinthemiddleofthesea,I'llsailtheworldtofindyou.Ifyoueverfindyourselflostinthedarkandyoucan'tsee,I'llbethelighttoguideyou.Whatdothesetwosentenceshaveincommon?If-clausesReadandfindReadthesentences.Findmoresentenceswithif-clausesinSectionA.

We’llfinishat7:00p.m.ifit’sontime.Ifeverythinggoeswell,I’llseeyouat7:15.Ifthetrafficistoobad,you’llhavetowaitforafewminutes.IfIvisitChinathisyear,Iwillgototheparkwith

you.Ifyoucanmakeit,I’llshowyouaroundthe

cityandletyoutastealltheyummylocalfood.AnalyzeandfillAnalyzethesentencesandfillintheblanks.

從句主句We’llfinishat7:00p.m.ifit’sontime.Ifeverythinggoeswell,I’llseeyouat7:15.Ifthetrafficistoobad,you’llhavetowaitforafewminutes.IfIvisitChinathisyear,Iwillgototheparkwith

you.Ifyoucanmakeit,I’llshowyouaroundthe

cityandletyoutastealltheyummylocalfood.if引導(dǎo)的條件狀語從句可以放在主句_____，也可以放在主句之后。位于主句之前時(shí)，從句后面要用_____與主句隔開。前逗號(hào)AnalyzeandfillIfeverythinggoeswell,I’llseeyouat7:15.Ifthetrafficistoobad,you’llhavetowaitforafewminutes.IfIvisitChinathisyear,Iwillgototheparkwith

you.IfIgothere,Iwilltryallthedeliciouslocalfood.第一條件句句式結(jié)構(gòu)If從句（一般現(xiàn)在時(shí)）主句（一般將來時(shí)will+do）表意功能表示在特定條件下可能會(huì)發(fā)生的情況、結(jié)果或行為一般現(xiàn)在時(shí)一般將來時(shí)Readthesentences.Findoutthetenseofeachsentence.主將從現(xiàn)第一條件句通常是假設(shè)的、未發(fā)生的，但被認(rèn)為是可能發(fā)生的。它反應(yīng)了說話者對(duì)某種情況或事件的預(yù)期、愿望、假設(shè)或者推測(cè)。ThinkandlearnIfeverythinggoeswell,I’llseeyouat7:15.Ifthetrafficistoobad,you’llhavetowaitforafewminutes.IfIvisitChinathisyear,Iwillgototheparkwith

you.IfIgothere,Iwilltryallthedeliciouslocalfood.Didthefollowingthingshappenornot?AnalyzeandfillIfyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.Ifplantsdon’tgetenoughsunlight,theyturnyellowslowly.Ifyouheatwaterto100°C,itboils.零條件句句式結(jié)構(gòu)If從句（一般現(xiàn)在時(shí)）主句（一般現(xiàn)在時(shí)）表意功能描述客觀事實(shí)、自然規(guī)律、普遍真理或習(xí)慣性行為一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)Readthesentences.Findoutthetenseofeachsentence.MatchandlearnLet’sreadthesepartsofsentencesandmatchthemtomakecompleteones.IfyouarenotgoodatEnglish,YoucanwritedownthethingsonyourphoneIfyoufightwithyourfriend,ifyouarealwaysforgetful.youshouldlistenandreadmore.writealettertomakeupwithhim.if引導(dǎo)的條件狀語從句也可以與祈使句、含有情態(tài)動(dòng)詞的陳述句等搭配使用，表示建議等。ReadandmatchMatchthetwopartstomakesentences.ChooseandsayWeusedifferentwaystocommunicatetohelporgethelpfromothers.Readthesituationsandchooseproperways.

Situation1.Yourlittlesisterisweakinmath.Shewantsyoutohelpherwithherhomework.IfIhelpmysisterwithherhomework,Iwill

talktoherfacetoface.ChooseandsaySituation2.YouwantyourcousininanothercitytoteachyouhowtomakeaChineseknot(中國結(jié)).IfI

wantmycousininanothercitytoteachmehowtomakeaChineseknot,Iwill…talkfacetofacesendtextmessagesmakeavideocallsendemailsusesignlanguagemakeaphonecallChooseandsaySituation3.Youareinthelibrary.Youaskyourmothertohelpfeedyourpetdog.IfI…,Iwill…

talkfacetofacesendtextmessagesmakeavideocallsendemailsusesignlanguagemakeaphonecallChooseandsaySituation4.Yourlittlesisterissleepinginyourmother’sarms.Thedinnerisreadyandyouwanttoaskyourmothertohavedinner.IfI…,Iwill…

talkfacetofacesendtextmessagesmakeavideocallsendemailsusesignlanguagemakeaphonecallChooseandsaySituation5.YouwanttostudyinamiddleschoolinBritain.Youneedtocontacttheheadmaster.IfI…,Iwill…

talkfacetofacesendtextmessagesmakeavideocallsendemailsusesignlanguagemakeaphonecallReadandanswerReadthetwotextsandfindouttheanswerstothequestions.1.Whatkindoftextsarethey?2.Doyouoftensendvoicemessages?Whydoyouusethisformofcommunication?Anoteandavoicemessage.Yes.BecauseIthinkitisveryfastandconvenient.Idon’tneedtotype.ReadandfillFillintheblankswiththecorrectformsoftheverbsinbrackets.gowillseedropwillgivestartwillperformGiveletthinknotevoicemessageDiscussandsayDiscusswhatthesituationsareandwhomtheinformationisfor.Situation:Planningareunion.

Towhom:Aformerfriend/acquaintance(熟人)Situation:Discussingateamtrainingplanfortheupcomingnewseason.

Towhom:AteammateofthespeakerDiscussandshareTrytosolvetheprobleminaproperway.Onyourwayhomefromschool,yousawaclassmatebeingbullied(欺凌)byothers,butyoudidn'tdaretogoforward.Howcanyouhelphim?Iwanttotalkwiththepolice/teacher/headmaster/classmate/…Iwillmakeaphonecall/writealetter/makeaposter/…Ihope…DiscussandshareWhowillyoutalkto?Whichwayofcommunicationwillyouuse?Discussandmakeagoodplan.DiscussandshareWorkingroupstodropalinetoallthestudents.Dearclassmates,Everyonehopestohaveaharmonioussc