1、 状语从句状语从句 一状语从句的定义与分类定义：句子用作状语时，起副词作用的句子。状语从句中的从句可以修饰谓语、非谓语动词、定语、状语或整个句子。分类：时间、地点、原因、目的、结果、比较、让步、条件、方式 状语从句的分类时间状语从句时间状语从句01、条件状语从句条件状语从句02、原因状语从句原因状语从句03、结果状语从句结果状语从句04、05、目的状语从句目的状语从句06、07、08、09、地点状语从句地点状语从句方式状语从句方式状语从句让步状语从句让步状语从句比较状语从句比较状语从句when/while/as当当.时时 before/after前前/后后 since自从自从 till（unt
2、il）直到直到 as soon as 一就 whenever 无论何时无论何时 时间状语从句引导词时间状语从句引导词01时间状语从句时间状语从句结构：结构：主句引导词从句；引导词从句主句高频考点：高频考点：主将从现（主祈从现；主情从现）在时间状语从句中，主句用将来时，从句用一般现在时。e.g.I will call you when I arrive.When you finish the work,you may go out to play with Sam.I wont leave until Mum comes back.【例】Henry will give us a report a
3、s soon as he_.A.arrives B.arrived C.is arrivingD.will arrive引导词辨析引导词辨析1）.untiltill 直到直到当主句谓语动词是延续性动词时，主句用肯定形式。如：Ill stay here until you come back.我会待在这里，直到你回来.当主句谓语动词是非延续性动词时，主句常用否定形式。“直到才”：not.until.如：I wont go to bed until I finish my homework.直到昨完作业我才上床睡觉。2）.since 自从自从主句常用现在完成时，从句常用一般过去时。主句常用现在完成
4、时，从句常用一般过去时。如：We havent seen each other since the end of class.我们自从结课以后一直没有见过面。常用句型：常用句型：It has been时间段时间段since从句从句如：It has been six years since she graduated from the university.自从她大学毕业已经有六年的时间了。【例】Our teachers have been with us for nearly three years_ we came to junior high school.We should thank
5、them for what they have done for us.A.untilB.beforeC.since3）.aswhenwhile 区别区别as表示表示“随着随着.”常指一个行为是另一个行为的结果。常指一个行为是另一个行为的结果。如：如：As she grew older，she became more beautiful.随着年龄的增长，她变得越来越漂亮。随着年龄的增长，她变得越来越漂亮。As the sun rose,the fog disappeared.太阳一升起，雾就消失了。太阳一升起，雾就消失了。while后延续性动词（经常用进行时）。后延续性动词（经常用进行时）。如
6、：如：I hurt my shoulder while I was doing gym.我在做体操时弄伤了肩膀。我在做体操时弄伤了肩膀。when 可以跟延续性动词，也可以跟瞬间动词。可以跟延续性动词，也可以跟瞬间动词。如：如：When he was a child，he was always trying out new ideas.他小时候就常常试验一些新的设想。他小时候就常常试验一些新的设想。I was just reading a book when she came into my room.她走进我房间时，我正在看书。她走进我房间时，我正在看书。【例】【例】_ I got home,
7、my sister was doing her homework.A.When B.Because C.IfD.Though 02条件状语从句条件状语从句引导词：if，unless，as long as（只要）结构：主句引导词从句；引导词从句主句高频考点：主将从现（主祈从现；主情从现）在条件状语从句中，主句用将来时，从句用一般现在时。如：You will certainly fail in the coming final exams unless you work much harder.即将来到的期末考试你肯定考不及格，除非你更用功。If it doesnt rain tomorrow,w
8、e shall go hiking.如果明天不下雨，我们就要去徒步旅行。【例】Betty will keep on learning French_ she has enough time for it.A.butB.though C.unless D.if【例】-If it_ tomorrow,Ill go fishing.-May I go along with you?A.didnt rainB.wont rainC.doesnt rain03地点状语从句地点状语从句引导词：where，wherevere.g.Go back where you came from!从哪儿来回哪去！I w
9、ill never forget to catch the thief who stole my jewel wherever he may be.不管偷我项链的小偷跑到哪里，我都不会忘记要逮到他。04地点状语从句地点状语从句引导词：because，since，as等如：He went abroad because his aunt had found a good university for him.他去国外留学了英文他姑姑为他找了一所好大学。05目的目的状语从句状语从句 引导词：so that.，so.that.，in order that.（往往放在句尾）从句中通常含有cancould
10、maymight等情态动词。如：He got up earlier so that he could catch the first train.【例】Write down my phone number here_ you wont forget it.A.as long asB.as soon asC.so that06结果状语从句结果状语从句引导词：so that.，so.that.等（放在句尾）注意：结果状语从句一般表示已经发生的事情，故多为过去时态。如：He lost so many bikes that he decided never to buy a new one.他丢了那么
11、多辆自行车，他决定再也不买新车了。07比较状语从句比较状语从句引导词：as，than，as（so）.as 等，一般省略从句的谓语部分，只剩下名词或代词（用主格或宾格均可）。如：She is much taller than Ime.她比我高多了。I dont have as many books as you（do）.我书没有你多。08让步状语从句让步状语从句引导词：though（although），as，even if（even though），however，whatever如：Even if you pay the debt（债务）for me，I will not thank you，
12、because it has nothing to do with me.He wears a T-shirt though it is very cold.【例】_ she couldnt see his face,she could tell by his voice that he was young.A.Unless B.If C.BecauseD.Though注意：because与so；（al）though与but；if与so不可以同在一个句子中成对出现。（al）though与yet，already可以连用。时间、条件、原因，让步状语从句放在句首时需要用逗号与主句隔开。【例】判断一下
13、句子是否正确：Although he is rich,but he is not happy.()Although he is rich,yet he is not happy.()Although we have grown up,our parents still treat us as children.()09方式状语从句方式状语从句引导词：as，just，as if如：We must do as the Party tells us.我们必须按照党告诉我们的去做。Leave the things as they are.让东西保持原样。Most plants need sunligh
14、t just as they need water.大多数植物需要阳光，就像它们需要水一样。It sounds as if it is raining.听起来好像在下雨。1.Friends are like books,You dont need a lot of them_ they are good.A.or B.and C.as long as D.as soon as2._ its a public holiday today,some firefighters in our city are still on duty.A.Although B.Once C.If3.-Can stu
15、dents go online during lessons?-They can_ it is for that lesson.A.if B.or C.so D.but4.I sleep with the window open_ its really cold.A.unless B.till C.or5.My grandparents wrote letters to keep in touch with others_ they were young.A.whenB.sinceC.afterD.before 语法大练兵 语法大练兵6.-Excuse me,can you tell me t
16、he way to the nearest underground station?-Walk straight on_ you see white building.Its right there.A.though B.since C.untilD.if7.Bob,dinner is ready.Please wash your hands_ you eat.A.untilB.afterC.whileD.before8.Mr.Black walked around and offered help_ we were doing an experiment.A.whileB.although
17、C.untilD.unless9.Well stay at home_ it rains tomorrow.A.andB.if C.butD.so10.The two companies decided to work together_ they had common interest.A.because B.unlessC.butD.or 语法大练兵11.They didnt go home_ hey finished their work.A.because B.when C.until12.Cathy is afraid of the dog.She will run away_ sh
18、e sees it.A.ever sinceB.although C.as soon asD.so that13.-Is your WeChat account（账户）safe？-Yes,even my father cant use it_ I tell him the password.A.whenB.unlessC.whileD.if14.We didnt cut the cake_ Amy made a wish.A.because B.until C.if15.The story is_ interesting_ everybody likes it very much.A.very
19、;that B.so;thatC.such;that D.such;because 语法大练兵16.-Did you call Michael back?-I didnt need to,_ Ill see him tomorrow.A.unless B.because C.when D.though7.He could find the way home_ he was only three years old.A.though B.because C.where D.if18.-The students of Grade 9 have to take part in the P.E.test.-Yes,_ you want to pass it and be stronger,practice more.A.unlessB.untilC.if19.Love your parents_ they are alive.Dont wait until it is too late.A.whileB.thoughC.becauseD.unless20.We should take care of the earth_ we can make a better world to live in.A.so thatB.untilC,even ifD.whileTHANKYOU
