RevisionAdverbialClauseofCondition條件狀語從句2020/12/121IfyouarehappyIfyouarehappyandyouknowitclapyourhands

IfyouarehappyandyouknowitclapyourhandsIfyouarehappyandyouknowitneverbeafraidtoshowitIfyouarehappyandyouknowitclapyourhandsIfyouarehappyandyouknowitstompyourfeet.Ifyouarehappyandyouknowitstompyourfeet.IfyouarehappyandyouknowitneverbeafraidtoshowitIfyouarehappyandyouknowitstompyourfeetIfyouarehappyandyouknowitwinkyoureyeIfyouarehappyandyouknowitwinkyoureyeIfyouarehappyandyouknowitneverbeafraidtoshowitIfyouarehappyandyouknowitwinkyoureye2020/12/122精品資料你怎么稱呼老師？如果老師最后沒有總結(jié)一節(jié)課的重點(diǎn)的難點(diǎn)，你是否會認(rèn)為老師的教學(xué)方法需要改進(jìn)？你所經(jīng)歷的課堂，是講座式還是討論式？教師的教鞭“不怕太陽曬，也不怕那風(fēng)雨狂，只怕先生罵我笨，沒有學(xué)問無顏見爹娘……”“太陽當(dāng)空照，花兒對我笑，小鳥說早早早……”Ifyouarehappy,whatwillyoudo?

IfIamhappy,Iwillsmile.2020/12/125Ifyoubecomesad,whatwillyoudo?IfIbecomesad,Iwillcry.2020/12/126Sheisdoingherhomework.Ifyouarehard-working,youwillgetgoodgrades.Shegetsgoodgrades.2020/12/127Ifyouplaycomputergamesonweekdays

,you’llbeverytiredinclassyourparentswillbesad.youwon’tgetgoodgrades.youreyeswillbepoor2020/12/128Shewillbelate.Ifshe_____toschool,she________late.Sheisgoingtowalktoschool.walkswillbeLead-in2020/12/129位置：從句可放在主句之前或之后，但是放在主句之前須有逗號隔開eg:如果我有足夠的錢，我就去環(huán)游世界If引導(dǎo)條件狀語從句定義：if

“如果,假如”它引導(dǎo)的句子表示某事發(fā)生所需的條件，即“在…條件下，某事才能發(fā)生”，在句子中充當(dāng)狀語，因此稱之為條件狀語從句。（If引導(dǎo)的條件狀語從句表示假如有從句的動作發(fā)生，就會有主句動作的發(fā)生）IfIhaveenoughmoney,Iwilltravelaroundtheworld=IwilltravelaroundtheworldifIhaveenoughmoney2020/12/1210If條件句：條件句用于陳述語氣，表示假設(shè)的情況可能發(fā)生，其中if是“如果”的意思。

主句一般將來時(shí)

，從句用一般現(xiàn)在時(shí)。

2020/12/1211用法：1.

如果主句是一般將來時(shí)，從句則用一般現(xiàn)在時(shí)。

Ifitrains（從句），Iwillstayathome.I’llgowithyouifyoudon’twanttogoalone（從句）.2.如果主句含有must,may,can等情態(tài)動詞，從句也要用一般現(xiàn)在時(shí)。

Ifyoudrivetoofast,youmayhaveanaccident.Youmuststopifthetrafficisred.Ifyoufinishthehomework，youcangohome．如果你作業(yè)做完了就可以回家了。

Ifyouwanttoloseweightyoumust/shouldeatlessbread.

如果你想減肥，你必須少吃面包。2020/12/12123.如果主句是祈使句，從句同樣要用一般現(xiàn)在時(shí)。Don’tgoandplayfootballifyoudon’tfinishyourhomework.PleasecallmeifhecomesnextSunday.2020/12/12131.

如果主句是一般將來時(shí)，從句則用一般現(xiàn)在時(shí)。

Ifitrains（從句），Iwillstayathome.I’llgowithyouifyoudon’twanttogoalone（從句）.2.如果主句含有must,may,can等情態(tài)動詞，從句也要用一般現(xiàn)在時(shí)。

Ifyoudrivetoofast,youmayhaveanaccident.Youmuststopifthetrafficisred.3.如果主句是祈使句，從句同樣要用一般現(xiàn)在時(shí)。

Don’tgoandplayfootballifyoudon’tfinishyourhomework.

PleasecallmeifhecomesnextSunday.if條件狀語從句結(jié)構(gòu)及時(shí)態(tài)Revision2020/12/1214練一練：1。如果她早點(diǎn)兒起床，就有時(shí)間在家里吃早餐Ifshe________alittleearlier,she’llhavetimetoeatbreakfastathome.2。如果你參加聚會，你將會過得很開心。Ifyou____theparty,you_________agreattime.3。如果明天下雨，我們將不去野餐Ifit____tomorrow,we_______forapicnic.4。如果你經(jīng)常聽英文歌，你將會喜歡英語Ifyouoften_______Englishsongs,you______English.getsupjoin

willhaverains

won’tgolistento

willlike2020/12/12151.Ifhe____________(not,doit),I___________(do)it.2.Ifyou____(be)lateforschool,myteacher________(be)angry.arewillbe3Ifshe________(win)theprize,we_______(be)happy.winswillbe4.IfI_________(not,eat)somuch,I_________(get)thinner.5.Ifyou______(tell)them,they_____________(not,believe)you.don’teatwillgettellwon’tbelieve6I_________(stay)athome,Ifit__________(rain).7.Ifit____________(not,rain),I_________(go)out.8.we__________(play)football,Ifitis_________(sun).9.Ifshe__________(become)astar,herparents____________(not,send)heraway

10.He_________(watch)TV,ifhe______(be)free.willstayrainsdoesn’trainwillgowillplaysunnybecomeswon’tsendwillwatchisdoesn’tdowilldo2020/12/1216

2.You

may______(pass)

the

exam

if

you

___(study)

hard.

rainswillstaypassstudy

3.Ifyouwanttorecord,________(press)theredlight.press1.IfIt______(rain)tomorrow,I______(stay)athome.Fillintheblanketswiththeproperform

2020/12/12171.I’msureifhe_____(go)totheparty,he________(have)agreattime.2.Iftherain_______(stop)tonight,wewillgotothecinema.3.I’llbuyacomputerifI______(have)enoughmoney.4.You_________(notget)nervousifyou_____(do)enoughexercise.6.Iwanttoknowifhe_________(come)tomorrow,ifhe_______(come),I__________(give)themassagetohim.goeswillhavestopshavewon’tgetdocomeswillcomewillgive2020/12/1218IfI’mill,__________________.

IwillseeadoctorLookandsayIfI’mlate,_________________.Iwillsaysorry2020/12/1219IfI’mhungry,Iwill______________.IfI’m

tired,Iwill_____________.Lookandsayeatsomefoodhavearest2020/12/1220

Ifitrainstomorrow,I_____________________.willwatchTVathomeIfit_____________tomorrow,________________.I’llplaybasketballdoesn’trainIwon’t________________.playbasketball2020/12/1221Ifyouarefreethisweekend,whatwillyoudo?IfIamfree,…sleepwatchTVplaycomputergamespractice2020/12/1222Ifyouwanttogetgoodmarks,

dowhat?Don’tdowhat?Ifyouwanttogetgoodmarks,__________.Ifyouwanttogetgoodmarks,don’t__________.studyhardlistentoteacherscarefully.dohomeworkbyyourself.

copyyourhomework.talkintheclasscheatintheexams2020/12/1223Ifyouhaveenoughpocketmoney,whatwillyoubuy?IfIhaveenoughpocketmoney,I____________________.2020/12/1224IfyouinviteforeignerstoChina,wherewillyougo?Iwillgoto_________,ifIinviteforeignerstoChina.MountTaiWestlakeHainan2020/12/1225GameRulesTopic1:IfIamhappy,……A:IfIamhappy,Iwillgoshopping.B:IfIgoshopping,Icanbuysomeclothes.C:IfIcanbuysomeclothes,Iwillspendmuchmoney.D:IfIspendmuchmoney,……E:…..【比一比】：一分鐘內(nèi)，根據(jù)所給話題，看同學(xué)們能接出多少條件狀語從句。【注意】在句子接龍時(shí)，主句與從句變換時(shí)，要注意從句時(shí)態(tài)的變換，從句用一般現(xiàn)在時(shí)。2020/12/1226If條件句的替代形式：

（1）祈使句+and/or+陳述句（謂語動詞通常用將來時(shí)態(tài)）。其中，and表示句意順承；or表示轉(zhuǎn)折，意為“否則”。e.g.Ifyouworkhard,you’llpasstheexameasily.=Workhard,andyou’llpasstheexameasily.Ifyoudon’tworkhard,you’llfallbehindothers.=Workhard,oryou’llfallbehindothers.verygood2020/12/1227（2）用介詞with,without的替代形式：

e.g.Ifthereisnowater,thefishmaydie.

=Fishmaydiewithoutwater.Ifyouhelpme,I’llfinishmytaskontime.

=Withyourhelp,I’llfinishmytaskontime.2020/12/1228Activity1Rewritethesentenceswithif:Listeninclass,oryouwon’tunderstandwhattodo.Ifyoudon’t

listeninclass,youwon’tunderstandwhattodo.1)Eatbreakfast,oryou’llgethungryatschool.2)Hurryup!We’llbelate!Ifyoudon’teatbreakfast,you’llgethungryatschool.Ifyoudon’thurryup,we’llbelate.2020/12/1229Activity2.Completethesentences—Iwanttogethighscores.—If__________________________(workhard/dowell)youworkhard,youwilldowell.1.-howcanIremembermyfriends’birthdays?-If_______________________________________(keepanoteinyourdiary/notforget).2.-It’slate,butIdon’twanttogotosleep.-If_______________________________________(notgetenoughsleep/feeltiredatschool).youkeepanoteinyourdiary,youwon’tforget.youdon’tgetenoughsleep,you’llfeeltiredatschool.2020/12/1230If在賓語從句中翻譯為“是否”If在條件狀語從句中翻譯為“如果”I’llgotoseeyouifIamfreenextweek.Iwanttoknowifheisateacher.whether1.if在句中的含義不同2020/12/12312.if在從句中的位置不同If引導(dǎo)的賓語從句放在主句之后；而if引導(dǎo)的狀語從句可放在主句之前也可放在主句之后=Ifitdoesn’train,Iwillgoouttomorrow.Iwillgoouttomorrowifitdoesn’train.Idon’tknowifthetrainhasarrived.

If引導(dǎo)的條件狀語從句放于句首時(shí)多用逗號隔開；而if引導(dǎo)的賓語從句則不能。2020/12/12323.時(shí)態(tài)要求上有區(qū)別If引導(dǎo)條件狀語從句的時(shí)態(tài)為一般現(xiàn)在時(shí)記住“主將從現(xiàn)”

1.Iwanttoknowifthere

asportsmeetingnextmonth.doesn’trainwillbe2.Ifit

doesn’train,we’llgooutIf引導(dǎo)的賓語從句的時(shí)態(tài)由主句及本身時(shí)態(tài)決定；2020/12/12331.Canyoutellmeifshecancometothemeeting?2.Shewillnotgothereifitisrainytomorrow.3.Ican’tguessifshewillbeangry.4.Ifwehelpeachother,wewillgetgoodresults.2020/12/12341

IfI_______________(notunderstand）,Iwillaskmyteacherforhelp.IfI__________(copy)yourhomework,Iwillcheatmyself.3Ifshe_______________(notget)upearly,she’llmisstheearlybus.4Ifyourmother_______(buy)thebookforyou,itwillbegoodforyourstudy.

don’tunderstand

copy

doesn’tget

buys2020/12/12355.Ifyou____________(notwork)hard,you_________(notpass)theexam.6.Ifyourbrother____________(break)thewindow,hewillfeelverysorryforthat.7.Ifthecomputer

(notwork),menditplease.don’tworkwon’tpassbreaksdoesn’twork2020/12/12368.Ifshe_______(notbe)interestedinmath,shewillfinditveryboring.9.Ifyou_________(get)highscores,yourparentswillbeproudofyou.10.Ifyou_________(be)happy,wewillbehappy.isn’tgetare

2020/12/1237.Iwanttoknowifhe_______(come)tomorrow,ifhe_______(come),I__________(give)themessagetohim.

comeswillcomewillgive2020/12/1238summaryif的用法2.引導(dǎo)條件狀語從句：譯為“如果，假如”(1)if從句+祈使句(2)if從句+主句（一般將來時(shí)）(3)if從句+主句（含有情態(tài)動詞）

1.引導(dǎo)賓語從句：譯為“是否”，表示不確定的概念。Idon’tknowifyourfathercancometogether.Canyoutellmeifmissyourparents?2020/12/1239HomeworkWriting：任選一個(gè)話題，寫一篇小文章。要求：不少于字?jǐn)?shù)60詞；盡可能多地用條件狀語從句來表達(dá)。2020/12/1240IfyouarehappyIfyouarehappyandyouknowitclapyourhands

IfyouarehappyandyouknowitclapyourhandsIfyouarehappyandyouknowitneverbeafraidtoshowitIfyouarehappyandyouknowitclapyourhandsIfyouarehappyandyouknowitstompyourfeet.Ifyouarehappyandyouknowitstompyourfeet.IfyouarehappyandyouknowitneverbeafraidtoshowitIfyouarehappyandyouknowitstompyourfeetIfyouarehappyandyouknowitwinkyoureyeIfyouarehappyandyouknowitwin