状语从句讲解及练习.doc

初中英语状语从句讲解及专项练习状语从句指由句子来作状语。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由“主句+连词+从句”或者“连词+从句，主句”。 一、时间状语从句：由when，before，after，as soon as，since，until，notuntil引导。1. Mozart started writing music when he was four years old.当莫扎特4岁的时候，就开始写音乐作品。2. He went home after he finished his homework yesterday.他昨天做完作业之后就回家了。3. Mr. brown had worked in a bank for a year before he came here.布朗先生来这之前在一家银行里工作了一年。4. we began to work as soon as we got there.我们一到那就开始工作。Mr green has taught in that school since he came to china three years ago.自从格林先生三年前来到中国就一直在这所学校教书。5. They walked until it was dark.他们一直走到天黑。6. Xiao ming didnt leave home until his father came back.小明直到他爸爸回来才离开家。二、条件状语从句：由连词if, unless (=if not) 引导。1.If it doesnt rain tomorrow, we will go fishing.如果明天不下雨, 我们就去钓鱼.2.You will get good grades if you study hard.如果你努力学习,就会取得好成绩.3.I will go to the party unless he goes there too.我不会去参加聚会的, 除非他也去.(如果他不去,我也不去.)4.You will be late unless you leave at once.如果你不马上走,你将会迟到的.(=If you dont leave at once, you will be late.)(主将从现)：在条件状语从句中, 当主句是将来时的时候,从句要用一般现在时. 三、原因状语从句：由连词because（因为）, since, as（既然，由于）引导1.I didnt go to school yesterday because i was ill.我昨天没去上学，因为我生病了。2. Since everybody is here, lets begin our meeting.既然大家都来了, 让我们开始开会吧.3. As its December, it is so sold.既然是12月份了，那就该冷了。.难点在语气上，because 最重, 表示的是直接理由,回答why 时只能用它；其次是since, as ,一般不表示原因, 而是表明理由, 进一步说明.(译为：由于，既然).四、地点状语从句：由连词where引导.1.where there is a will , there is a way.有志者事竟成。(谚语)2. Please put your shoes where they should be.请把你的鞋放在应该放的地方。五、目的状语从句：由连词so that, in order that 引导。1. I opened the window so that fresh air can come in. 我把窗户打开以使新鲜空气能进来。(目的)2. I got up very early this morning in order that I could catch the early bus.今天早上我起得很早是为了能赶上早班车。(目的)六、结果状语从句：由连词sothat, suchthat引导。1. My sister is such a lovely girl that everyone likes her very much. 我的妹妹如此可爱以至于每个人都喜欢她。2.He always studied so hard that he got good grades/.他总是那么努力，结果他取得了好成绩。七、让步状语从句：由连词 though, although（尽管、虽然）引导。不能和but同时使用1.Though he is rich, he is not happy.虽然他很富有, 然而他并不快乐.2.Although I didnt understand a word, I kept smiling all the time.尽管我一个字也不懂，我还是一直微笑着。八、比较状语从句：要点：比较状语从句主要运用于形容词和副词的比较级和最高级的句子之中。 1. He is taller than I. 他比我高。练习（一）一、填入适当的引导词1. I havent heard from him _ he went to America.2. He wont be here _ we asked him.3. He will not go to the cinema _ he is very busy.4. We worked all the time _ we are very tired.5. He is _ strong _ he can carry the box easily.6. I will go _ you go.7. He speaks English _ he is an Englishman.8. He is speaking slowly _ they can understand him.9. Do not leave the room _ you finish cleaning the room.10. She runs faster _ I.状语从句专项练习（二）A: _( ) 1. The meeting didnt start_ everyone was there.A. because B. until C. why D. if( ) 2. The boy _ to bed _ his mother came in. A. went not; until B. didnt go; after C. went; until D. didnt go; until( ) 3. I wont believe you_ I have seen it with my own eyes. A. before B. until C. after D. when( ) 4. He _ home _ she was satisfied（满意）with his answer yesterday. A. didnt go; until B. wasnt go; after C. doesnt go; before D. went; until ( ) 5. They went on working _ their teacher came back. A. until B. while C. as soon as D. ifB: _( ) 1. I will go _ she is going to see a film. A. if B. thoughC. unlessD. since( ) 2. You are sure to pass the exam _ you study hard. A. if B. thoughC. that D. since( ) 3. Ill go to see the film with you_I have time this evening. A. why B. so C. if D. when( ) 4. _ you study harder, youll never pass the final exam. A. If B. Until C. Unless D. ExceptC: _( ) 1. Please answer the question in a loud enough voice _ all the class may hear. A. so, that B. or C. in order that D. and( ) 2. Lift it up_I may see it. A. though B. so that C. as D. than( ) 3. I run fast_I wont be late for class. A. so B. so that C. if D. unless( ) 4. We should go by bus _ we can get there earlier. A. as soon as B. where C. in order that D. asD: _( ) 1. The dictionary is so expensive _ I cant buy it. A. because B. when C. that D. if( ) 2. I got there _ late _ I didnt see him. A. too; to B. such; that C. so; that D. so; as( ) 3. It is _ hot in the room _ we have to go out for a walk. A. such; that B. so; that C. as; as D. such; as( ) 4. He has_ an interesting book that we want to read it. A. so B. such C. the same D. asE: _( ) 1. Although it was raining, _ still worked in the fields. A. but they B. and they C. they D. and yet they( ) 2. _ there were only five soldiers in the front, _ they went on fighting. A. Because; so B. If; and C. Though; but D. Though; /( ) 3. _ she is very old, _ she can still work eight hours a day. A. Because; so B. Though; but C. Because; / D. Though; /F: _( ) 1. Tom will call me as soon as he _ Shanghai. A. arrives B. will reach C. arrives in D. get to( ) 2. Im sure hell come to see me before he _ Beijing. A. will leave B. is leaving C. leave D. leaves( ) 3. I will tell him the news as soon as he_ back. A. come B. comes C. will come D. came( ) 4. He _ back until he_ the work. A. isnt; will finish B. isnt; finishes C. wont be; will finish D. wont be; finishesG: _( ) 1. I _ you for a long time. Where _ you _? A. didnt see; did; go B. didnt see; have; gone C. havent seen; have; been D. havent seen; have; gone( ) 2. Tom_ China for 3 years since he came here. A. has been B. has been in C. has been to D. has been at( ) 3. I wont go to see the film tonight, because I _ my ticket. A. lost B. have lost C. will lose D. didnt lose( ) 4. -Hello! May I speak to Bob? -Sorry, but he _ for a month. A. has left B. was left C. left D. has been away( ) 5. Zhao Lan _ already _ in this school for two years. A. wa