1、初中英语语法状语从句语法概述语法精讲过关检测CONTENTS核心语法概述 初中初中阶段学过的状语从句主要有时间、条件、原因、结果、比较、目的和让阶段学过的状语从句主要有时间、条件、原因、结果、比较、目的和让步状语从句。步状语从句。语法知识导览知识知识点点 1 时间时间状语从句状语从句 1.引导引导时间状语从句的连词有时间状语从句的连词有 when，while，after，before，as soon as，till，until，since 等等。2.在在时间状语从句中，若主句用一般将来时、过去将来时，则从句需要分别用一般时间状语从句中，若主句用一般将来时、过去将来时，则从句需要分别用一般现在时
2、、一般过去时现在时、一般过去时。3.在由在由 when 和和 while 引导引导的时间状语从句中，如果从句动词是延续性的，的时间状语从句中，如果从句动词是延续性的，when 与与while 可可通用，但如果动词是非延续性的，则只能通用，但如果动词是非延续性的，则只能用用 when。语法精讲精练知识知识点点 2 条件条件状语从句状语从句 1.条件条件状语从句状语从句由由 if，unless 等等引导。引导。2.在在条件状语从句中，若主句用一般将来时，则从句用一般现在时。条件状语从句中，若主句用一般将来时，则从句用一般现在时。知识知识点点 3 原因原因状语从句状语从句 1.原因原因状语从句主要状
3、语从句主要由由 because，as 等等引导。引导。2.because 表表原因时，语气最强，表明最直接、最重要的非推理的原因，用来回答原因时，语气最强，表明最直接、最重要的非推理的原因，用来回答以以 why 引导引导的问句的问句。as 表表原因时，它所引导的从句常放在主句之前。原因时，它所引导的从句常放在主句之前。知识知识点点 4 结果结果状语从句状语从句 结果结果状语从句主要状语从句主要由由 so that，such that 等等引导。引导。知识知识点点 5 比较比较状语从句状语从句 1.asas，soas，than 等等引导比较状语从句。引导比较状语从句。2.asas 和和 soas
4、 后面后面都用形容词或副词的原级。常见结构为都用形容词或副词的原级。常见结构为“as/so+形容形容词或副词原级词或副词原级+as”，意为意为“和和一样一样”。3.asas 既既可用于肯定句又可用于否定句，可用于肯定句又可用于否定句，但但 soas 只用只用于否定句于否定句。4.由由 than 引导引导的状语从句，的状语从句，than 之前之前要用比较级。要用比较级。知识知识点点 6 目的目的状语从句状语从句 目的目的状语从句的引导词有状语从句的引导词有so that，in order that等。等。知识知识点点 7 让步让步状语从句状语从句 让步让步状语从句状语从句由由 although，
5、though，even if，even though，whatever，no matter what 等等引导。引导。一、单项选择一、单项选择1._ she is very young,she can take good care of herself.A.If B.Unless C.Since D.Although2.The clever boy called 120 _ his mother fell down in the kitchen.A.although B.as soon as C.as long as D.until3.I dont like Sun Cinema _ it h
6、as bad service.A.because B.although C.unless D.untilDBA4.Im afraid we cant work out the maths problem _ the teacher helps us.Thats true.Its too difficult.A.if B.unless C.because D.as soon as5.Cathy is afraid of the dog.She will run away _ she sees it.A.ever since B.although C.as soon as D.so that6.I
7、s your WeChat account(账户账户)safe?Yes，even my father cant use it _ I tell him the password.A.when B.unless C.while D.if7.Lingling,youll feel sleepy tomorrow _ you dont go to bed early.OK,Mum.Ill go to bed at once.A.if B.unless C.though D.becauseBCBA8.It is known to all that the day becomes shorter and
8、 shorter _ winter comes.A.before B.when C.until D.since9.More and more couples would rather _ a second baby _ their first child can feel less lonely.A.have;in order B.to have;in order that C.have;so that D.to have;so that10.My mother exercises every day _ she can keep in good health.A.in order not t
9、o get B.in order that C.such that D.as soon asBCB11.Could you give me some advice on travelling?Take a map with you _ you have a guide or you know the city well.A.if B.unless C.although D.because12.Excuse me,could you please tell me if the meeting _ on time?If it _ tomorrow,well have to put it off.A
10、.will hold;snows B.will be held;snows C.will be held;snow D.holds;will snow13.The teacher raised his voice _ all the students could hear him.A.for B.so that C.because D.in order BBB14._ everyone is here,lets start.A.Although B.When C.Since D.While15.You should finish your lessons _ you go out to pla
11、y.A.before B.after C.when D.while16.In the exam,the _ you are,the _ mistakes you will make.A.careful;little B.more careful;fewest C.more careful;fewer D.more careful;less17.Ill go swimming with you if I _ free tomorrow.A.will be B.shall be C.am D.was CACC18.I was late for class yesterday _ there was
12、 something wrong with my bike.A.when B.that C.until D.because 19.We will stay at home if my aunt _ to visit us tomorrow.A.comes B.come C.will come D.is coming 20.The police asked the children _ cross the street _ the traffic lights turned green.A.not;before B.dont;when C.not to;until D.not;after 21.
13、I hope youll enjoy your trip,Dear!Thank you,Mum.Ill give you a call _ I get there.A.until B.as soon as C.since D.till DACB22.None of us knew what had happened _ they told us about it.A.when B.until C.after D.though23.Shall we go on working?Yes,_ I prefer to have a rest.A.when B.if C.because D.though
14、 24.You will stay healthy _ you do more exercise.such as running and walking.A.if B.how C.before D.where 25.Xiao Lin,this desk is _ heavy _ I cant move it.Dont worry.Ill help you.A.so;that B.too;to C.such;that D.as;soBDAA例题例题 1The football fans cheered _ they heard the exciting news.A.even though B.
15、in order thatC.as soon as D.as long asC分析与分析与解答解答 此此题考查时间状语从句。句意为题考查时间状语从句。句意为“足球迷们一听到这个令人足球迷们一听到这个令人兴奋的消息就欢呼起来兴奋的消息就欢呼起来”。even though意为意为“尽管尽管”；in order that意为意为“为了为了”；as soon as意为意为“一一就就”；as long as意为意为“只要只要”。由句意可知，空格处应填由句意可知，空格处应填as soon as。知识点知识点 1 时间时间状语从句状语从句小试牛刀小试牛刀1._ I got back,I found my m
16、other cooking for me.A.When B.Before C.Since D.Although2.We didnt go home _ we finished the work.A.since B.until C.because D.thoughAB例题例题 2Kitty,youll fail the English exam _ you study hard.A.because B.when C.if D.unlessD分析与分析与解答解答 此此题考查条件状语从句。句意为题考查条件状语从句。句意为“Kitty，除非你努力学习，除非你努力学习，否则你的英语考试会不及格否则你的英
17、语考试会不及格”。because意为意为“因为因为”；when意为意为“当当的时候的时候”；if意为意为“如果如果”；unless意为意为“除非除非”。由句意可知，。由句意可知，空格处应填空格处应填unless。知识点知识点 2 条件状语从句条件状语从句小试牛刀小试牛刀1.Im not going to tomorrows party _ Im invited.A.if B.unless C.when D.while2.We will go for a picnic _ it is sunny tomorrow.A.when B.whether C.if D.whileBC例题例题 3Did
18、you call Michael back?I didnt need to,_ Ill see him tomorrow.A.unless B.because C.when D.thoughB分析与分析与解答解答 对话对话意思为意思为“你给你给Michael回电话了吗？回电话了吗？没有必要，没有必要，因为我明天会见到他。因为我明天会见到他。”unless意为意为“除非除非”，because意为意为“因为因为”，when“当当的时候的时候”，though意为意为“虽然虽然”，根据对话意思结合选项，根据对话意思结合选项，可知答案选可知答案选B。知识点知识点 3 原因状语从句原因状语从句小试牛刀小试
19、牛刀1._ Wang Lei trained hard,he finally won first prize in the running competition.A.Though B.Before C.Till D.Since2.He failed the exam _ he was too careless.A.because B.so C.even if D.thoughDA例题例题 4What do you think of the movie The Wandering Earth(流浪地球流浪地球)?Its _ wonderful _ I really like it.A.so;t
20、hat B.such;that C.too;to D.enough;toA分析与分析与解答解答 此此题考查结果状语从句。句意为题考查结果状语从句。句意为“你觉得电影你觉得电影流浪地流浪地球球怎么样？怎么样？它是如此精彩以至于我很喜欢它它是如此精彩以至于我很喜欢它”。sothat 和和suchthat都是固定句式，意为都是固定句式，意为“如此如此以至于以至于”，so修饰形容修饰形容词或副词，词或副词，such修饰名词。修饰名词。知识点知识点 4 结果状语从句结果状语从句小试牛刀小试牛刀1.The story is _ interesting _ everybody likes it very m
21、uch.A.very;that B.so;that C.such;that D.such;because2.Amazing China is _ an exciting movie _ I would like to see it again.A.as;as B.too;to C.such;that D.so;thatBC例题例题 5Sam didnt jump so _ as Jim in yesterdays sports meetingA.high B.higher C.highly D.highestA分析与分析与解答解答 本题本题考查考查soas引导的比较状语从句。引导的比较状语从句
22、。high意为意为“高的高的”，higher意为意为“更高的更高的”，highly意为意为“高地高地”，highest意为意为“最高地最高地”。as/soas意为意为“和和一样一样”，用形容词或副词的原级。而，用形容词或副词的原级。而highly表达的是具体上的高，表达的是具体上的高，high表达的是抽象意义上的高。此处修饰表达的是抽象意义上的高。此处修饰jump，是，是实际的高度。实际的高度。知识点知识点 5 比较状语从句比较状语从句小试牛刀小试牛刀1.Does the dish taste as _ as it looks?Yes.I cant wait to eat it.A.well
23、B.good C.better D.best2.My daughter Anna is _ than my son Jack.A.outgoing B.more outgoing C.outgoinger D.the most outgoingBB例题例题 6We should take care of the earth _ we can make a better world to live in.A.so that B.until C.even if D.whileA分析分析与与解答解答 本题本题考查目的状语从句。考查目的状语从句。so that 意为意为“为了为了”，until意为意为
24、“直到直到”，even if意为意为“尽管尽管”，while意为意为“当当时候时候”。根据句意。根据句意“我们应该保护地球，为了我们可以创造一个更好的世界来居住我们应该保护地球，为了我们可以创造一个更好的世界来居住”可知，可知，空格处应用空格处应用so that表示表示“为了为了”，引导目的状语从句。，引导目的状语从句。知识点知识点 6 目的状语从句目的状语从句小试牛刀小试牛刀1.I read the newspaper every day _ I can learn whats happening in the world.A.in order to B.although C.in orde
25、r that D.unless2.Mulan dressed like a man _ she could join the army.A.so that B.such that C.in order to D.because ofCA例题例题 7He could find the ways home _ he was only three years old.A.though B.because C.where D.ifA分析分析与与解答解答 本题本题考查让步状语从句。考查让步状语从句。though意为意为“虽然虽然”，because意为意为“因为因为”，where意为意为“哪里哪里”，if
26、意为意为“如果如果”，再结合句意，再结合句意“他能找到他能找到回家的路回家的路”“”“他只有三岁他只有三岁”可知答案选可知答案选A。知识点知识点 6 让步状语从句让步状语从句小试牛刀小试牛刀1._ you may not like to do chores,you should help your parents around the house.A.If B.After C.Because D.Although2._ my grandpa is over 80 years old,he still looks strong and healthy.A.Although B.Because C.Unless D.IfDA
