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第讲预习九上时间、条件和原因状语从句07学习目标掌握并正确使用时间状语从句、条件状语从句和原因状语从句基础知识在复合句中，做状语成分的从句叫状语从句常见的状语从句可分为时间、条件、地点、原因、方式、让步、比较、结果、目的等从句，由不同的引导词引导考点一时间状语从句引导词用法例句when Theywere talkinghappily whenI walkedpast thedoor.引导的时间状语从句中既可接延续when当我从门前走过，他们正在开心地聊天性动词，也可接非延续性动词，多用一般过去时while强调主句和从句动作同时发生，所whileMy motherwas cookingwhile Iwas doingmy homework.引导的时间状语从句只能用延续性动当妈妈在做饭的时候，我在做作业词，多用进行时态not...untilThe buswont startuntil everybodygets on.主句的谓语动词为非延续性动词，主句公共汽车直到每个人都上车才会发动要用否定式，从句用肯定式sinceFive yeashas passedsince wesaw eachother lasttime.主句谓语动词一般用现在完成时，从句距离我们上次见面已经五年过去了谓语动词一般用一般过去时beforeWe turnedoff thelight beforewe left.引导的从句表示主句的动作发生before我们在离开前关了灯在从句动作之前afterHe went to bedafter hefinished hiswork.引导的从句表示主句的动作发生在after他做完工作后就去睡觉了从句动作之后as soonasT willtell himthe newsas soonas Isee him.若主句为一般将来时，从句常用一般现我一看见他，就会告诉他这个消息在时表将来考点二条件状语从句条件状语从句的引导词主要有和两者可转换if unless,在条件状语从句中，从句常用一般现在时表将来，即主将从现如You willfail theexam ifyou dontwork hard.=You willfail theexam unlessyou workhard.如果不努力学习，你考试会不及格的考点三原因状语从句原因状语从句的引导词有等because,since,as注意because和so不能同时使用
1.如He didn9t come to schoolyesterday becausehe wasill.他昨天没来上学，因为他生病了引导原因状语从句表示显然的或已为人知的理由，表示“因为，既然”
2.since如既然大家都到期了，我们就开始吧since everyoneis here,let,s start.I C考点剖析_________X---------------------HiiiiiHiiiiiniiiiiiiiiiiiiiiiiiiniiii考点一时间状语从句
1.（2022秋・辽宁沈阳•九年级沈阳市第一二六中学校联考期末）Mr.Brown hasworked inthis schoolhe was22yearsold.A.for B.since C.until D.when（秋•辽宁沈-九年级统考期末）
2.2022RH Georgedecided tochange hisjob.He willlive ahard lifehefinds anotherjob.A.while B.until C.when D.after
3.（2022秋・辽宁沈阳•九年级沈阳市杏坛中学校考期末）I waitedfor Timhe wasdoing hishomework.A.so thatB.unless C.while D.although（秋•湖北武汉•九年级校考期末）一
4.2022Whats wrongwith you,madam一Ive lostmy valuablewatch.But aweek hadgone byI knewit wasmissingA.since B.before C.while D.until
5.（2022秋•安徽合月巴・）L年级统考期末）Wc werenot goodfriends wcsaw eachother,but dayby day,we gotalong betterand better.A.until B.when C.if D.so（秋•天津滨海新•九年级统考期末）
6.2022The cleverboy called120his motherfell downin thekitchen.A.although B.as soonas C.until D.so that
7.（2022秋・天津河北•九年级统考期末）The doctordidnt have a restthe operationwas over.A.because B.until C.if D.so that考点二条件状语从句（秋•辽宁沈阳•九年级统考期末）
8.2022Tom willnot getthe specialgift unlesshe all the tasks.A.finish B.will finishC.finished D.finishes
9.（2023秋・湖北武汉•九年级武汉一初慧泉中学校考期末）一Mom,shall weput themeat in the fridgenow一Yes,sweetie,it wontkeep weput itinthefridge onsuch hotdays.A.although B.whether C.unless D.since（秋•上海浦东新•九年级上海市实验学校校考期末）
10.2022all ofus canlearn tolove,everything aroundus will bea wonder.A.Because B.If C.Before D.Although（秋,河北石家庄•九年级统考期末）
11.2021Ifl togo abroad,Til goto Britain.A.allow B.am allowedC.was allowedD.will allow（秋•江苏盐城•九年级校考期末）
12.2022The air pollution worseunless weaction toprotectthe environment.A.is；will takeB.will be；will takeC.will be；take D.wont be；take考点三原因状语从句（秋•江苏宿迁•九年级校考期末）一
13.2022What aheavy snow!How canwe goto worktoday-it issnowing heavily,lefs walkinstead ofdriving.A.Because B.Since C.As D.Though（秋•辽宁沈阳•九年级统考期末）
14.2022Anna doesnot wantfried foodand softdrinks theyareunhealthy.A.unless B.because C.though D.before（秋•广西玉林•九年级统考期末）
15.2021He didntcome to the partyhe hada lotof workto do.A.because B.although C.so D.unless真题演练；
16.（2023・甘肃白银•统考中考真题）Lets waitthe rainstops.A.so B.while C.since D.until（•青海•统考中考真题）
17.2022Chinese peoplewere soexcited theShenzhou-13was successfullylaunchedinto space.A.when B.why C.how（•吉林长春•统考中考真题）
18.2022I didntunderstand mymoms lovewe hada longtalk.A.until B.if C.since D.because（•辽宁•统考中考真题）
19.2022Teenagers shoulddo somehousework theyfinish theirhomework.A.until B.but C.after D.unless
20.（2022•黑龙江・统考中考真题）一I dontknow whenSusan.—Dont worry.When she,I willtell you.A.comes;will comeB.will come;comes C.come;comes（•湖北十堰,统考中考真题）（病毒）,
21.2022To avoidthe viruswe shouldwash handsmore carefullywe havemeals.A.so B.before C.because D.although
22.（2022・天津•统考中考真题）Before youget offthe bus,you shouldwait ithas stopped.A.until B.but C.because D.so（•湖南岳阳•统考中考真题）
23.2022I willreturn itto thelibrary I finish readingLittle Women.A.no longerB.as soonas C.so that（•江苏扬州•统考中考真题）
24.2022astronauts goon spacewalks,they wearspacesuits tokeepthemselves safe.A.Though B.Till C.When D.Unless（•重庆•统考中考真题）
25.2022They havebeen friendsthey firstmet.A.since B.while C.before D.after（•湖南岳阳•统考中考真题）
26.2023You wontpass thePE examsuccessfully youexercise everyday.A.if B.unless C.as longas（•安徽•统考中考真题）
27.2023Our countrywill bemuch betterfor everyonein futurewe alldosomething tohelp now.
28.（2023•四川成都・统考中考真题）you treatothers withyour heart,you willget friendshipin return.A.If B.UntilC.Unless（•内蒙古•中考真题）一
29.2022Too muchwork hasmade metired thesedays,Mrs.Gao.——Thats true.But asmall treewont growinto abig oneit experienceslots ofwinds andrains.A.if B.because C.when D.unless（•广西桂林•统考中考真题）
30.2022If youalong thisroad,you willfind apark.A.go B.went C.goes（•山东东营•统考中考真题）
31.2022You wontbe allowedto enterthe schoolyour temperatureishigher thannormal.A.if B.until C.though D.unless（•上海•统考中考真题）
32.2022You wonthave abetter viewof thevillage youreach thetop ofthehill.A.because B.unless C.when D.if（•江苏淮安•统考中考真题）
33.2022We wouldlike tobuy electriccars theyproduce lessairpollution.A.because B.so C.though D.but（•辽宁沈阳•统考中考真题）
34.2022I lovegoing toschool everyonein myclass isfriendly.A.before B.although C.because D.unless（•内蒙古包头•统考中考真题）
35.2022Many wildanimals donthaveasafe placeto live,villages andfarms aregrowingbigger andtaking awaytheir land.A.because B.until C.although D.before（圉过关检测口“lllllllllllllllllllllllllllllllllllllllll.（•四）泸州•统考一模）
36.202311Wang Yaping,the firstChinese femaleastronaut,gave thestar toher daughtershewent backto theearth.A.as soonas B.until C.unless D.so that
37.（2023・四川广元•校联考模拟预测）一Time togo home,Peter.—Wait aminute.I cantgo homeIfinishcleaning thehallway.A.since B.until C.after D.before（•天津南开•统考二模）
38.2023Lucy hasntcalled herparents shewenttoLondon.（•辽宁沈阳•统考三模）
39.2023The boywas soquiet thatoften noone wouldnotice hecame intheroom.A.because B.unless C.while D.when
40.（2023•福建南平・统考二模）ChatGPT hasinfluenced peopleslife alot sinceit.A.is developedB.was developedC.will bedeveloped（•福建漳州•统考二模）（太极）
41.2023It issaid thatZhang Sanfengcreated taichi hehad watcheda fightbetweensnake anda bird.A.until B.after C.when（•北京东城•统考二模）
42.2023While Ihome yesterdayafternoon,it beganto rain.A.walk B.will walkC.was walkingD.am walking（•北京朝阳•统考二模）
43.2023I youan emailas soonas Ireceive thephotos.A.send B.sent C.will sendD.have sent（•河北保定•统考二模）
44.2023Dont talkwith eachother youstudy inclass.A.when B.until C.although D.unless（•四达，,卜|•统考一模）一
45.2023JI|I wontcometothe partyunless Sue,too.一You meanif Suecomes,you willcomeA.will inviteB.willbeinvited C.is invited（•安徽合肥•统考三模）一
46.2023Do youthink wecan gettotheairport ontime一Yes,the cardoesnt breakdown.A.though B.unless C.if D.until
47.（2023•安徽1除州・统考二模）一It seemsthat youkeep takingsome exerciseallthetime.一Yeah.I wontfeel wellI playsports everyday.A.as soonas B.unless C.if D.though（•安徽合肥•统考二模）一
48.2023you haveyour health,nothing elsematters.一I cantagree withyou more.A.As longas B.Although C.Until D.As soonas（•安徽亳州•统考二模）
49.2023Its hardto saygoodbye toour middleschool weall havemany happydaysto remember.A.because B.before C.until D.unless（•江苏无锡•统考一模）
50.2023The courseof lifenever runssmoothly itis fullof upsand downs.。
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