1、语法精讲,状语从句,【归纳核心知识】状语从句可分为时间、原因、地点、目的、结果、条件、让步、比较及方式等类型。,(一)时间状语从句 1when, while, as的区别When we were at school, we went to the library every day.Please dont talk so aloud while others are working.I saw him as he was getting off the bus. 2一些表示时间的名词短语也可用来引导时间状语从句the minute, the second, the moment, the in
2、stant, every time, the last time, every time等。3. directly和immediately也可作为连词,引导时间状语从句,意为“一就”,如:The first time I got to the island, I was amazed by its beauty.The moment I entered the room, I smelled something unusual.我一走进房间里,就觉得不对头。,while 后跟延续性动词,as 译为“随着-,一边-一边”,后常用进行时,be doing -when - be about to d
3、o -when - had done-when-be on the point of doing-when-,(六)结果状语从句 结果状语从句由suchthat, sothat, so that等引导。 She is such a beautiful girl that we all like her. They were such beautiful flowers that we bought home. It was such delicious food that they ate it up. (七)让步状语从句让步状语从句可由although,though,as,while,eve
4、n if(though),whatever,whether.or.,no matter who (when,what.) 等引导。 Although/Though she works very hard,(yet) she makes very slow progress. 尽管她学习很努力,但还是进步不快。 Whenever Im unhappy(No matter when Im unhappy),it is my friend who cheers me up. 不管什么时候我不高兴,总是我的朋友给我鼓励。 Child as he is,he can tell right from wr
5、ong. 尽管他还是个孩子,他能明辨是非。 While I understand your viewpoint,I dont agree with you. 尽管我明白你的观点,我不赞成你。,【归纳核心知识】 状语从句可分为时间、原因、地点、目的、结果、条件、让步、比较及方式等类型。 (一)时间状语从句 1when, while, as的区别 When we were at school, we went to the library every day. 我们在求学的时候,每天都到图书馆去。 Please dont talk so aloud while others are working
6、. 别人在工作的时候,请勿大声讲话。 I saw him as he was getting off the bus.当他下公共汽车的时候,我看见了他。 2一些表示时间的名词短语也可用来引导时间状语从句 the minute, the second, the moment, the instant, every time, the last time, every time等。如: The first time I got to the island, I was amazed by its beauty. 我第一次到这座岛屿的时候,我就对它的美丽感到惊异。 The moment I ente
7、red the room, I smelled something unusual.我一走进房间里,就觉得不对头。,3directly和immediately也可作为连词,引导时间状语从句,意为“一就”,相当于the moment/the instant和as soon as。如: I knew something was wrong directly I arrived.我一到就知道出事了。 The boys did all sorts of mischief immediately my back was turned.我一转身孩子们就捣乱。 4before 和after The plan
8、e had taken off before he arrived at the airport. 他到机场前飞机早就起飞了。 They arrived at the cinema after the film began.电影开始之后他们到了影院。 5no sooner.than 和hardly (scarcely) .when 这两个连词词组都是表示主句与从句动作随即发生,意为“一就”。 No sooner had he entered the house than it began to rain. 他刚走进房间天就开始下起雨来了。 He had hardly gone to bed w
9、hen the telephone rang.他刚上床电话就响了。 6till 和until 这两个词的用法十分近似,都表示“直到”,但在句首只能用until。 They didnt go home until they finished the work. 他们直到完成工作才回家。,(二)地点状语从句 地点状语从句用where, wherever引导。 Where there is a will, there is a way. 有志者,事竟成。 Wherever they went, they received a warm welcome. 无论他们走到哪儿都受到热烈欢迎。 (三)原因状
10、语从句 原因状语从句用because(因为),since(既然), as(由于)引导。 Because of the rain, we didnt go to the park. Why didnt he come to school? Because he was ill. Since I must die, I must. 既然我一定要死,我一定这样做。 (四)目的状语从句 目的状语从句用so(常用于口语), so that, in order that等引导。 Well sit never to the front so we can hear better. He studied ha
11、rd so that he might succeed. 他努力学习,以便成功。 They hurried to the station in order that they could catch the train. 他们急忙赶往火车站,以便能赶上火车。,(五)条件状语从句 1if 和unless if 表示正面的条件,意为“如果”,unless表示反向的条件,意为“除非,如果不”。例如: If youve got exams tomorrow, why arent you studying? 如果你明天有考试,你为什么不学习? The sports meet will begin tom
12、orrow unless it rains. 运动会明天将要开始,除非下雨。 2. providing, provided (that), supposing, suppose (that), as long as, so long as, on condition that 和in case等连词(词组)意思相近,有“如果,只要,假如,假使,在条件下”等意思。例如: All living things respire as long as they live.所有的生物只要他们活着都要呼吸。 Supposing (that) you fail a second time, dont get
13、disappointed, but try again. 假如你又一次失败了,不要泄气,再试一次。 3only if和if only only if 引导的从句用陈述语气,意为“只要”; if only引导的从句要用虚拟语气,意为“但愿”,“要是就好了”。例如: Only if you have persistence, can you achieve great success. 惟有你坚持下去,你才能成功。 If only I had wings, I would be able to travel around the world easily. 如果我有翅膀,我就能够轻松地环游地球了。
14、,(六)结果状语从句 结果状语从句由suchthat, sothat, so that等引导。 She is such a beautiful girl that we all like her. They were such beautiful flowers that we bought home. It was such delicious food that they ate it up. (七)让步状语从句让步状语从句可由although,though,as,while,even if(though),whatever,whether.or.,no matter who (when,
15、what.) 等引导。 Although/Though she works very hard,(yet) she makes very slow progress. 尽管她学习很努力,但还是进步不快。 Whenever Im unhappy(No matter when Im unhappy),it is my friend who cheers me up. 不管什么时候我不高兴,总是我的朋友给我鼓励。 Child as he is,he can tell right from wrong. 尽管他还是个孩子,他能明辨是非。 While I understand your viewpoin
16、t,I dont agree with you. 尽管我明白你的观点,我不赞成你。,As引导让步状语从句倒装的用法 1)名词 + as / though + 主语 + 动词King as he was,he was unhappy.他虽是国王,但他并不幸福。位于句首的名词前习惯上不用冠词 二、形容词 + as / though + 主语 + 动词 Successful as he is,he is not proud. 他虽然成功,但不骄傲。 Patient as he was,he didnt like waiting that long. 他虽说有耐心,也不愿等这么长。,三、副词 + as
17、 / though + 主语 + 动词 Much as I like Paris,I couldnt live there. 尽管我喜欢巴黎,但我不能住在那里。 Fast as you read, you cant finish the book in two days. 尽管你读得很快,你总不能在两天之内就读完这本书。,四、动词原形 + as / though + 主语 + 动词 Try as he might,he couldnt solve the problem. 尽管他想方设法,却未解决这个问题。although 引导让步状语从句时不能倒装,as 引导让步状语从句时必须倒装,而 th
18、ough 引导让步状语从句时可以倒装也可以不倒装。如:,(八)方式状语从句 1as 和just as 二者都表示“如;犹如,正如”。just as 比as强调的语气更强。例如: In the early days, people could not count as we do now. 在早期日子中,人们不和我们现在一样能计数。 Most plants need sunlight just as they need water. 大部植物像它们需要水一样,也需要阳光。 2as if 和as though as if 或as though从句可以用陈述语气,表示可能符合事实的情况;也可以用虚拟
19、语气,表示不符合事实或与事实相反的情况,意为“好像,仿佛”。例如: It looks as though it is going to rain.天看起来要下雨。 He speaks as if he had been to the moon. 他谈起话来就好像是去过月球。(从句动作发生在主句谓语之前,从句谓语要用过去完成时) (九)比较状语从句 比较状语从句由asas, not as(so)as, than, the+比较级,the+比较级引导 He swims as well as you. (do) He got here earlier than you. (did) The busi
20、er he is, the happier he feels.,市学案37页 考点三连词和状语从句 15 BABAC 610 DADBC 1115 AACAA 1620 ABDCA 2125 BAABC,复习基础知识 1-5 ABABD 自我测评 1-5ABDDC 6-10 AADCD 11-15DBBCC 16. C 课后智能提升 1-5 ABCBA 6-10 DBAAC,【复习基础知识】 1. 本题考查介词as构成的短语用法区别。A意为“除之外(还有);和”;B意为“只要”;C意为“与一样多”(不用于肯定句);D意为“一就”。此题句意为:这个培训计划除了可以提高你的收入40%之外,还能够让
21、你在工作方面得到提升。 2. 句意:很多高楼在一年前还是废墟的地方矗立起来了。 此处应为where引导地点状语从句,表示“在地方”。,3. 句意:当玛丽为她喝醉了朋友道歉时,他礼貌地微笑着。此处是as引导这个时间状语从句,这里smile和apologize同时进行,as意为:当的时候。 4. 句意:“除非有来自欧洲联盟的更多的经济支持,否则希腊政府很难克服目前的困难”,unless“除非”。 5句意:只要你保证不开得太快,你就可以把我的车借走。 A.unless除非, B.even if即使, C.in case以防万一,D.as long as只要。,【课后知能提升】 1. 句意:假期时我带
22、上我的驾照,以防万一我想租一辆车 2. 根据句意:在你做任何决定之前,你得学会顾及到你的感觉和你做此决定的原因, 3. 此处考查ever引导的让步状语从句。通过分析从句,可知句子不缺少主干成分,故排除代词A、B、D三项,故答案选C。,4. 根据句意:如果生意没有好转,她就只得关店铺。unlessif.not(如果不), 5. 此处考查no matter.引导的让步状语从句。副词how修饰形容词或副词,横线后为形容词full,故选how。no matter how however(无论如何)。 6. 句意:Mark需要学习汉语是因为他的公司要在北京开分公司。连词since表“由于,因为”符合语境。 7. 句意:每当我得做演讲的时候,开始之前我就会变得极度的紧张。根据句意选B(每当,无论什么时候)。,8. 根据句意及主从句时态即可判断为A项,因为since从句用一般过去时,主句用现在完成时。句意:自从我从国外回来,我已经听说了关于你的许多好的事情。 9. 根据句意:他如此繁忙。他不可能抽出足够的时间来陪他的儿子即便是他想那样做 10.句意:除非我们有足够的证据,否则这个案子我们不能取胜,,