初中條件狀語從句(附答案)教學(xué)提綱

1、條件狀語從句講解及練習(xí)一、考點(diǎn)歸納4由連接詞if或unless引導(dǎo)的狀語從句叫做條件狀語從句。(注意：在含有條件狀語從句的復(fù)合句中，如果主句是一般將來時(shí)態(tài)，從句要用一般現(xiàn)在是“主將從現(xiàn)原則”。通常譯作假如，如果，除非引導(dǎo)詞：L常用引導(dǎo)詞：if,unlessif引導(dǎo)詞用法if引導(dǎo)的條件狀語從句的用法，現(xiàn)在總結(jié)一下：if條件句不一般，幾個(gè)要點(diǎn)記心間;條件句，放在前，逗號要放句中間。條件句表可能，主句多用將來時(shí)；條件句表事實(shí)，主句常用現(xiàn)在時(shí)。if引導(dǎo)的條件句有：真實(shí)條件句和非真實(shí)條件句兩種：真實(shí)條件句：表示在某種條件下某事很可能發(fā)生。Eg：Ifyouaskhim,hewillhelpyou.如果你請

2、他幫忙，他會(huì)幫你的。Ifyoufailintheexam,youwilllethimdown.如果你考試不及格，你會(huì)讓他失望的。Ifitrainstomorrow,wewongoonapicnic.如果明天下雨，我們就不去里予餐。注意：切記緊跟著if的那句話是從句。(2)非真實(shí)條件句是虛擬語氣的一種，表示與事實(shí)相反，不可實(shí)現(xiàn)的條件或根本不可能存在的條件，也就是一種虛擬的條件或假設(shè)，從句多用一般過去時(shí)或過去完成時(shí)。Eg:IfIwereyou,Iwouldinvitehimtotheparty.如果我是你，我會(huì)邀請他參加聚會(huì)。IwouldhavearrivedmuchearlierifIhadno

3、tbeencaughtinthetraffic.如果沒有堵車,我會(huì)到的早一點(diǎn)兒。IfIwereyou,Iwouldgowithhim.如果我是你，我會(huì)和他一起去的。unless弓I導(dǎo)詞用法固定搭配：unless=if.not除非，若不，除非在，的時(shí)候。Eg:Youwillfailtoarrivethereintimeunlessyoustartearlier.=Ifyoudonstartearlier,youwillfailtoarrivethereintime.如果你不早點(diǎn)動(dòng)身，你就不能及時(shí)趕到那兒。Unlessitrains,thegamewillbeplayed.=Ifitdosentr

4、ain,thegamewillbeplayed.除非下雨，比賽將照常進(jìn)行。Letsgooutforawalkunlessyouaretootired.d)=Ifyouarenottootired,letsgooutforawalk經(jīng)典語句：Ifitdosentraintomorrow,wewillgotothezoo.條件狀語從句就是用以表示在某種條件下，會(huì)”二、課堂練習(xí)I用所給詞的適當(dāng)形式填空1.Ifyou(feel)tired,you(have)tohavearest.Wherehe(see)thefilmifhe(have)time?Ifthere(be)fewertrees,there

5、(be)morepollution.He(dress)morecasuallyifhe(notwork)onweekends.IfMarcia(live)alone,she(keep)apetparrot.Lana(buy)anewdressiftheoldone(be)outofstyle.Thetwins(fight)ifthey(argue).I(have)abakesaleifI(need)moneyforeducation.Peter(send)meabeautifulsouvenirifhe(tour)Spain.IfMrGreen(say)Iamhard-working,mypa

6、rents(feel)glad.I(go)tothebeachifit(notrain)thisweek.they(have)amatchiftheP.E.teacher(be)busy?He(write)alettertohisgrandparentsifhe(get)hisreportcardthisweek.Ifshe(get)uplate,she(notcatch)theearlybus.Peter(major)inEnglishifhe(pass)theexamsinPekingUniversity.如果他到的晚了會(huì)發(fā)生什么事情？Whatifhelate?如果努力學(xué)習(xí)，你就會(huì)取得好成

7、績。 TOC o 1-5 h z Ifyou,yougood.他如果看電視太久了，他的父母會(huì)不高興。IfheTVtoomuch,hisparentsunhappy.如果我們?yōu)樗M織生日聚會(huì)，大家都會(huì)來的。Everyoneifweabirthdaypartyhim.如果明天不下雨，我會(huì)和你一起去公園的。Ifittomorrow,Igototheparkyou.如果她睡過頭了，就會(huì)旅游遲到的。She;thetripifshe.如果他有空，他會(huì)幫助你的。Ifhe,heyou.如果Tom考試不及格，他就沒有機(jī)會(huì)上高中了。Tomhavethetogotothehighschoolifhetheexams

8、.你如果抄同學(xué)的作業(yè)就不能學(xué)好各門功課。Yougoodatallthesubjectsifyoutheotherstudentshomework.II.單項(xiàng)選擇1.Ifyoutotheparty,youllhaveagreattime.A.willgoB.wentC.goD.goingItwillbealongtimePeterhiswork.A.since,hasfinishedB.after,finishesC.when,willfinishD.before,finishes.WhatwillfatherusfromJapan?A.takeB.bringC.carryD.makeWeifa

9、ngisfamouskites.A.forB.toC.onD.withIhertheanswerifsheme.A.cantell,willaskB.willtell,willaskC.wouldtell,askD.willtell,asks-Whatareyougoingtodotomorrow?-Wellgotothelibrarytomorrowifit_.A.isntraBin.rainC.wontrainD.doesntrainDoyouknowwhenhewillcomebacktomorrow?-Sorry,Idontknow.Whenheback,Illtellyou.A.co

10、mesB.willcomeC.comeD.maycomeWhatwillyoudoifyoutotheoldfolkshomevisit?A.goB.wentC.goingD.willgoIfIeatfood,Illbeveryfat.A.toomanyB.manytooC.toomuchD.muchtooIllgivethebooktohimifhe_herenextSunday.A.willcomeB.comesC.iscomingD.cameThereanEnglishfilminourschooltomorrow.A.isgoingtohaveB.willhaveC.isgoingtobeD.hasCouldyoutelluswhere？willthenextOlympicGamesheldthenextOlympicGameswillbeheldwouldthenextOlympicGamesbeheldthenextOlympicGameswouldbeheldWhenmymotherreturnedlastnight,Iabook.A.readB.amreadingC.wasr