初中条件状语从句(附答案).doc
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初中条件状语从句(附答案).doc
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条件状语从句讲解及练习
一、考点归纳
l由连接词if或unless引导的状语从句叫做条件状语从句。
(注意:
在含有条件状语从句的复合句中,如果主句是一般将来时态,从句要用一般现在是“主将从现原则”。
通常译作“假如,如果,除非”。
引导词:
l常用引导词:
if , unless
1.if 引导词用法
学习"if"引导的条件状语从句的用法,现在总结一下:
if条件句不一般,几个要点记心间;
条件句,放在前,逗号要放句中间。
条件句表可能,主句多用将来时;
条件句表事实,主句常用现在时。
if 引导的条件句有:
真实条件句和非真实条件句两种:
(1)真实条件句:
表示在某种条件下某事很可能发生。
Eg:
a)If you ask him, he will help you. 如果你请他帮忙,他会帮你的。
b)If you fail in the exam, you will let him down. 如果你考试不及格,你会让他失望的。
c)If it rains tomorrow, we won’t go on a picnic. 如果明天下雨,我们就不去野餐。
注意:
切记紧跟着if的那句话是从句。
(2)非真实条件句是虚拟语气的一种,表示与事实相反 ,不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设,从句多用一般过去时或过去完成时。
Eg:
a)If I were you, I would invite him to the party. 如果我是你,我会邀请他参加聚会。
b)I would have arrived much earlier if I had not been caught in the traffic. 如果没有堵车,我会到的早一点儿。
c)If I were you, I would go with him. 如果我是你,我会和他一起去的。
2.unless引导词用法
(1)固定搭配:
unless = if...not 除非,若不,除非在„„的时候。
Eg:
a)You will fail to arrive there in time unless you start earlier.
=If you don’t start earlier,you will fail to arrive there in time. 如果你不早点动身,你就不能及时赶到那儿。
b)Unless it rains, the game will be played.
=If it dosen't rain,the game will be played. 除非下雨,比赛将照常进行。
c)Let's go out for a walk unless you are too tired.
d)= If you are not too tired, let's go out for a walk
经典语句:
If it dosen't rain tomorrow,we will go to the zoo. 条件状语从句就是用以表示“在某种条件下,会…”
二、课堂练习
I用所给词的适当形式填空
1.Ifyou________(feel)tired,you_______________(have)tohavearest.
2.Where_______he_________(see)thefilmifhe________________(have)time?
3.Ifthere__________(be)fewertrees,there_______________(be)morepollution.
4.He_____________(dress) morecasuallyifhe________________(notwork)onweekends.
5.IfMarcia_____________(live)alone,she___________________(keep)apetparrot.
6.Lana________________(buy)anewdressiftheoldone____________(be)outofstyle.
7.Thetwins______________(fight)ifthey_______________(argue).
8.I____________(have)abakesaleifI_____________(need)moneyforeducation.
9.Peter_____________(send)meabeautifulsouvenirifhe________________(tour)Spain.
10.IfMrGreen___________(say)Iamhard-working,myparents_________(feel)glad.
11.I____________(go)tothebeachifit________________(notrain)thisweek.
12.__________they__________(have)amatchiftheP.E.teacher_____________(be)busy?
13.He____(write)alettertohisgrandparentsifhe____(get)hisreportcardthisweek.
14.Ifshe____________(get)uplate,she_____________(notcatch)theearlybus.
15.Peter________(major)inEnglishifhe____(pass)theexamsinPeking University.
15.如果他到的晚了会发生什么事情?
What_______________ifhe_____________late?
16.如果努力学习,你就会取得好成绩。
Ifyou___________________,you___________good_____________.
17.他如果看电视太久了,他的父母会不高兴。
Ifhe_________TVtoomuch,hisparents____________________unhappy.
18.如果我们为他组织生日聚会,大家都会来的。
Everyone________________ifwe_____________abirthdayparty__________him.
19.如果明天不下雨,我会和你一起去公园的。
Ifit__________ __________tomorrow,I______________gotothepark_________you.
20.如果她睡过头了,就会旅游迟到的。
She;__________________________thetripifshe___________________.
21.如果他有空,他会帮助你的。
Ifhe_________________,he_________________ you.
22.如果Tom考试不及格,他就没有机会上高中了。
Tom_________havethe________togotothe________highschoolifhe________theexams.
23.你如果抄同学的作业就不能学好各门功课。
You____________goodatallthesubjectsifyou______theotherstudents’homework.
II.单项选择
1.Ifyou_____totheparty,you’llhaveagreattime.
A.willgo B.went C.go D.going
2.Itwillbealongtime____Peter_____hiswork.
A.since,hasfinished B.after,finishes C.when,willfinish D.before,finishes.
3.Whatwillfather_____usfromJapan?
A.take B.bring C.carry D.make
4.Weifangisfamous______kites.
A.for B.to C.on D.with
5.I____hertheanswerifshe____me.
A.cantell,willask B.willtell,willask C.wouldtell,ask D.willtell,asks
6.–Whatareyougoingtodotomorrow?
--We’llgotothelibrarytomorrowifit___.
A.isn’train B.rain C.won’train D.doesn’train
7.—Doyouknowwhenhewillcomebacktomorrow?
--Sorry,Idon’tknow.Whenhe____back,I’lltellyou.
A.comes B.willcome C.come D.maycome
8.Whatwillyoudoifyou_____totheoldfolk’shomevisit?
A.go B.went C.going D.willgo
9.IfIeat____food,I’llbeveryfat.
A.toomany B.manytoo C.toomuch D.muchtoo
10.I’llgivethebooktohimifhe___herenextSunday.
A.willcome B.comes C.iscoming D.came
11.There____anEnglishfilminourschooltomorrow.
A.isgoingtohave B.willhave C.isgoingtobe D.has
12.Couldyoutelluswhere____?
A.willthenextOlympicGamesheld
B.thenextOlympicGameswillbeheld
C.wouldthenextOlympicGamesbeheld
D.thenextOlympicGameswouldbeheld
13.Whenmymotherreturnedlastnight,I____ abook.
A.read B.amreading C.wasreading D.amgoingtoread
14.What____you____whenitbegantorain?
A.do,do B.were,doing C.are,doing D.did,do
15.I’llwakeyouupwhenhe____back.
A.will B.isgoingtocome C.comes D.come
1---5CDBAD 6---10DAACB 11---15CBCBC
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