Howdowecommunicate?(Grammar)Unit8Let’sCommunicate!人教版（2024）

八年級上冊通過本節(jié)課學(xué)習(xí)，我能夠：1.了解并掌握if引導(dǎo)的條件狀語從句的核心規(guī)則，包括

主從句的位置關(guān)系和時態(tài)規(guī)律，以及零條件句和第一

條件句，并能在語境中運用。2.

通過自主探究和合作探究活動，培養(yǎng)獨立思考和發(fā)散

性思維，提升團(tuán)隊協(xié)作能力。LearningobjectivesReviewAccordingtothesesituationsandmakeupdialogueswithyourpartner.Youhavesomeproblemswithyourhomework,andyoureallyneedhelp.Ifyouneedhelp,Ithinkyoushouldtell…Ifyoutalkto…,Ithinkhe/shewillbehappytohelpyou.SituationExpressionsYourclassisplanningatrip.Youcangotothezooorthemuseum.Youthinkthezooisabetterchoice,andyouwantyourclassmatestoagreewithyou.Ifwegotothezoo,wecan….Iftheweatherissunny,itwillbemorepleasantto….SituationExpressionsWhatkindofsentencepatterndidweusejustnow?If+sentence,sentence.Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.Textingcanmakethingsworseifyou’renotcarefulwithyourwords.Iftherehearsalendsat7:00p.m.,I’llpickupat7:15p.m.Ifyoustaycalmandsaysorry,itwillhelp.IfIgothere,Iwilltryallthedeliciouslocalfood.Readthesentences.3aFindmoresentenceswithif-clausesinSectionA.if引導(dǎo)的條件狀語從句位置例句SectionA1b,1c1.We’llfinish

at7:00p.m.ifit’sontime.2.Ifeverythinggoeswell,I’llsee

youat7:15.3.Ifthetrafficistoobad,you’llhavetowaitforafewminutes.4.IfIvisitChinathisyear,Iwillgo

totheparkwithyou.5.Ifyoucanmake

it,I’llshow

youaroundthecityandletyoutastealltheyummylocalfood.6.Whenwilltherehearsalendifit’sontime?7.Whatwillthemando

ifhevisitsChinathisyear?ReadSectionAandfindmoreexamples.位置例句SectionA1d1.Ifyoucometomycity,I’llshow

youaround.2.IfIgothere,I’lltry

allthedeliciouslocalfood.SectionA2aand2d1.Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.2.Ifyoucan’tmeet,justcallyourfriend.3.Someofyoumayprefertexting,butittakeslongerandcanmake

thingsworseifyou’renotcarefulwithyourwords.4.Ifyoustaycalmandsaysorry,itwillhelp.5.Ifitisstillhardtotalk,takeabreak.位置例句SectionA2e1.Ifyoucancome,I’llbeveryhappy.2.Ifyouwanttomakesomenewfriends,thisisagoodchance.3.Ifyouneedhelp,Ithinkyoushouldtell

…4.Ifyoutalkto…,Ithinkhe/shewillbe

happytohelpyou.5.Ifyougothere,you’ll…6.Ifyoujoinme,wecan

…Thinking觀察3a中的例句，思考下面的問題。02條件狀語從句和主句的位置關(guān)系是怎樣的？01

什么是條件狀語從句？05

條件狀語從句可以和其他句式進(jìn)行轉(zhuǎn)換嗎？04

條件狀語從句可以分類嗎？能分為幾類？03

條件狀語從句的時態(tài)和主句的時態(tài)有何關(guān)系？01什么是條件狀語從句？if條件狀語從句

在復(fù)合句中作條件狀語的句子叫做條件狀語從句。用于表示假設(shè)的情況及其可能產(chǎn)生的結(jié)果。條件狀語從句常用if來引導(dǎo)。自主探究02條件狀語從句和主句的位置關(guān)系是怎樣的？if引導(dǎo)的條件狀語從句既可位于主句之______，也可位于主句之______。位于主句之前時，從句后面要用________與主句隔開。前后逗號Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.Textingcanmakethingsworseifyou’renotcarefulwithyourwords.Iftherehearsalendsat7:00p.m.,I’llpickupat7:15p.m.Ifyoustaycalmandsaysorry,itwillhelp.IfIgothere,Iwilltryallthedeliciouslocalfood.從句主句從句主句從句主句從句主句從句主句自主探究03條件狀語從句的時態(tài)和主句的時態(tài)有何關(guān)系？if引導(dǎo)的條件狀語從句，如果主句是______________，那么if引導(dǎo)的從句用______________，來表示將來可能發(fā)生的動作或存在的狀態(tài)。一般將來時態(tài)一般現(xiàn)在時態(tài)“主將從現(xiàn)”1.Iftherehearsalendsat7:00p.m.,I’llpickupat7:15p.m.2.Ifyoustaycalmandsaysorry,itwillhelp.3.IfIgothere,Iwilltryallthedeliciouslocalfood.4.Ifmymotherhastime,shewilltakemetothezoo.1.Ifitisfinetomorrow,wecangoswimmingwithTom.2.Ifyourparentsarebusy,youmusthelpthem.3.If

hegoestothemovies,hecan’tfinishhishomework.4.Ifyoudrivetoofast,youmayhaveanaccident.

如果主句含有__________的一般現(xiàn)在時，那么if引導(dǎo)的從句用______________。情態(tài)動詞一般現(xiàn)在時態(tài)“主情態(tài)從現(xiàn)”1.

Don’twaitformeifIamlate.2.Becarefulwithyourhomeworkifyoudon’twanttomakemistakes.3.TellTomtoaskmeforhelpifhehasproblemswithmath.如果主句為_______，那么if引導(dǎo)的從句用_____________。祈使句一般現(xiàn)在時態(tài)“主祈使從現(xiàn)”在if引導(dǎo)的條件狀語從句中：如果主句是一般將來時，從句用一般現(xiàn)在時，即“主將從現(xiàn)”。如果主句中是can,may,must等情態(tài)動詞的一般現(xiàn)在時時，從句用一般現(xiàn)在時，即“主情態(tài)從現(xiàn)”。如果主句是祈使句，從句用一般現(xiàn)在時，即“主祈使從現(xiàn)”。合作探究04條件狀語從句可以分類嗎？能分為幾類？MynameisMary.Ikeepstayinguplateatnight,watchingvideosorjustthinking.Ican'thelpit.Thenextdayinclassisterrible.Ican'tfocusontheteacher'swords.Iwanttochange,butIdon'tknowhow.Ifyoudon’tsleepenough,yourbraindoesn’tworkwell.Ifyouuseyourphoneinbed,yoursleepusuallygetsworse.（客觀事實）（普遍真理）if從句主句一般現(xiàn)在時一般現(xiàn)在時Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.Textingcanmakethingsworseifyou’renotcarefulwithyourwords.描述客觀事實、自然規(guī)律、普遍真理或日常習(xí)慣。一般現(xiàn)在時一般現(xiàn)在時一般現(xiàn)在時含有情態(tài)動詞的一般現(xiàn)在時Problem:stayinguplateatnight;watchingvideosorjustthinking;can'tfocusontheteacher'swordsIfyouleaveyourphoneinanotherroomtocharge,youwillfallasleepfaster.Ifyoucan’tfocusinclass,drinkabigglassofcoldwaterrightnow.（預(yù)測出一個結(jié)果）（提出指導(dǎo)性建議）Iftherehearsalendsat7:00p.m.,I’llpickyouupat7:15p.m.Ifyoustaycalmandsaysorry,itwillhelp.IfIgothere,Iwilltryallthedeliciouslocalfood.if從句主句一般現(xiàn)在時一般將來時通常情況下，用于做出承諾、預(yù)測一個較確定的結(jié)果，強調(diào)“如果你這么做，就將會發(fā)生某個結(jié)果”。一般現(xiàn)在時一般將來時一般現(xiàn)在時一般將來時一般現(xiàn)在時一般將來時IfIgetthereearly,Icanseethedoctorsoon.Putupyourhandifyouhaveanyquestionstoask.情態(tài)祈使句含情態(tài)動詞祈使句

第一條件句的主句不一定總是一般將來時，有時也會出現(xiàn)______動詞+動詞原形”或_________。常用于指導(dǎo)、警告或快速決策。Makeyouradviceconvincing（有說服力的）,sothatpeoplewilllisten.Makeuseful,reasonable（合理的）advice.描述客觀事實、自然規(guī)律常用于指導(dǎo)、警告或快速決策if條件狀語從句的分類合作探究05條件狀語從句可以和其他句式進(jìn)行轉(zhuǎn)換嗎？借助“祈使句+and/or+句子（一般將來時）”這一句型來轉(zhuǎn)換。______在句意上表示順承，意為“那么，就”；_____表示轉(zhuǎn)折，意為“否則”Ifyougetupearly,you’llcatchtheschoolbus.(寫出同義句)andor=Getupearly,andyou’llcatchtheschoolbus.=Getupearly,oryouwon’tcatchtheschoolbus.可借助________

或_____

來轉(zhuǎn)換條件狀語從句。Ifthereisnosunshine,plantswlldie.(寫出同義句)Ifyouhelpme,I’llgetbettergrades.(寫出同義句)withoutwith=Plantswilldiewithoutsunshine.=Withyourhelp,I’llgetbettergrades.從句一般現(xiàn)在時主句一般現(xiàn)在時從句一般現(xiàn)在時主句一般將來時（含情態(tài)動詞/祈使句）祈使句+and/or+句子（一般將來時）可借助with和without描述客觀事實、自然規(guī)律、普遍真理或日常習(xí)慣。用于做出承諾、預(yù)測一個較確定的結(jié)果，強調(diào)“如果你這么做，就將會發(fā)生某個結(jié)果”。if條件狀語從句合并句子Ifit____sunnytomorrow,they__________atrip.Itwillbesunnytomorrow.Theywillhaveatriptomorrow.iswillhaveThey__________atripifit____sunnytomorrow.iswillhave實踐應(yīng)用Ifhe________studyhard,he__________intheexam.Hewon’tstudyhard.Hewillfailintheexam.doesn’twillfailHe_________intheexamifhe________studyhard.doesn’twillfailIfhe_______hurryup,he__________theearlybus.Hewon’thurryup.Hewillmisstheearlybus.doesn’twillmissHe__________theearlybusifhe________hurryup.willmissdoesn’tOpenthewindow.Youfeelveryhot._______thewindowifyou_______veryhot.feelOpenIfyou______veryhot,______thewindow.feelopenMatchthetwopartstomakesentences.1.Ifwecanhaveaface-tofacemeeting,2.IfIhavegoodnews,3.Ifyouneedtoleave,4.Ifyoucanfinishyourworkearlytoday,5.Iftheoldmanhasdifficultiesinhearing,6.Ifyoucan’treachherbyphone,A.trytexting.B.we’llunderstandeachotherbetter.C.youcanwritethingsdownforhim.D.I’llcallyourightaway.E.I’llcallataxiforyou.F.willyoujoinmefordinner?3bFillintheblankswiththecorrectformsoftheverbsinbrackets.Thendiscusswhatthesituationsareandwhomtheinformationisfor.…Ifthings_____(go)well,we_________(see)allthoseoldfacesagain.Justthinkhowgreatitwillbe!Ifyouthinkyoucancome,________(drop)mealineandI___________(give)youallthedetailsaboutthereunion.Butpromisemeyou'llthinkaboutitseriously.gowillseedropwillgiveSituationAninvitationtooldfriends’reunionForwhomAnoldfriendFormofcommunicationNote3cHey,

it’sme.Iwantedtotalktoyouaboutthetrainingplanforourteam.Thenewseasoniscoming,soit’stimetomakeaplanforourtraining.Ifwe________(start)earlierthisyear,Ithinkwe____________(perform)better.________(give)meacalland_____(let)meknowifyou________(think)ofagoodtimeforeveryonetomeet.Talktoyousoon.startwillperformGiveletthink00:35SituationMeettotalkaboutteamtrainingplanForwhomOneoftheteammatesFormofcommunicationVoicemessageWelldone,everyone,herearesomegifts.Let’sopenthemonebyone.一份坦然坦然面對關(guān)系中的風(fēng)雨。一份勇氣主動溝通與真誠道歉的勇氣。一份智慧將每一次分歧，都視為讓彼此靠得更近的橋梁的智慧。1.Iftheoldmanhasdifficultiesinhearing,difficultyn.

困難；難題

常用作可數(shù)名詞。形容詞形式是difficult，意為“困難的”。Languagepointshavedifficulty(in)doingsth.意為“做某事有困難”，其中的介詞in可以省略，此時的difficulty是不可數(shù)名詞，不使用復(fù)數(shù)形式。ImetalotofdifficultieswhenIfirstmovedtoanewcitylastyear.去年我剛搬到一座新城市時遇到了很多困難。Ihadnodifficultyincommunicatingwithforeigners.我和外國人交流沒有什么困難。2.Ifyouthinkyoucancome,dropmealineand...linen.

①字行；便條；線；界線thestarting/finishingline起，點/終點HedroppedmealinetotalkabouthisEnglishstudy.他給我寫信談?wù)撍挠⒄Z學(xué)習(xí)。②排；行列；隊伍常見搭配:stand/waitinline站隊/排隊等候cutinline插隊

Thestudentsstoodinalinewaitingforthebus.學(xué)生們站成一排等公交車。③電話線路常見搭配:holdtheline別掛斷電話online在線地；在網(wǎng)上

Thechatlineisopenfrom8p.m.to10p.m.everyday.聊天熱線每天晚8點到10點開通。3....Iwillgiveyouallthedetailsaboutthereunion.(1)detailn.

細(xì)節(jié)；詳情indetail詳細(xì)地

Thepoliceaskedforthedetailoftheaccident.警方詢問事故的細(xì)節(jié)。detail還可作動詞，意為“派遣”，常用于被動語態(tài):sb.bedetailedtodosth某人被派去做某事Wediscussedtheplanindetail.我們詳細(xì)討論了這個計劃。Thesoldierwasdetailedtothefront.那名士兵被派去了前線。(2)reunionn.

團(tuán)聚；重逢；聚會afamilyreunion家人團(tuán)聚ThewholefamilygottogetherforareuniondinneronChineseNewYear'sEve全家人在除夕夜聚在一起吃團(tuán)圓飯。I'mreallylookingforwardtotheclassreunionnextmonth.我真的很期待下個月的班級聚會。

Wehadawonderfulreunionwithouroldfriends.我們和老朋友們歡聚一堂。4.Butpromisemeyou'llthinkaboutitseriously.seriouslyadv.

嚴(yán)肅地；認(rèn)真地；嚴(yán)重地

seriousadj.

嚴(yán)肅的常用短語:takesth.seriously認(rèn)真對待某事Theteachertoldhimseriouslynottobelateforschool.老師嚴(yán)肅地告訴他不要上學(xué)遲到。Studentsshouldtaketheirhomeworkseriously.學(xué)生們應(yīng)當(dāng)認(rèn)真對待他們的作業(yè)。

Themanwasseriouslyhurtintheaccident.那位男士在事故中受傷嚴(yán)重。MrWangisveryseriousandhisstudentsareallafraidofhim.王老師非常嚴(yán)肅，他的學(xué)生都怕他。5.Iwantedtotalktoyouaboutthetrainingplanforourteam.trainingn.

訓(xùn)練；培訓(xùn)trainv.

培訓(xùn)；訓(xùn)練常用搭配:intrainingfor.為...而訓(xùn)練trainsb.todosth.訓(xùn)練某人做某事Heishavingfootballtraininginaclub.他正在一家俱樂部進(jìn)行足球訓(xùn)練。

Heisintrainingforthetennismatch.他正在為網(wǎng)球比賽進(jìn)行訓(xùn)練。

Thecoachistrainingthemtoplaybasketball.那位教練正在訓(xùn)練他們打籃球。SectionA(GrammarFocus)Grammar:if引導(dǎo)的條件狀語從句SummaryExerciseI.用括號內(nèi)所給內(nèi)容的適當(dāng)形式填空。1.Don’tplayfootballoutsideifit_______(rain)thisafternoon.2.Ifyoudon’tlistencarefully,you____________(notknow)theanswer.3.Amyissoconfident.Shethinksshecan