2022年高中英语状语从句讲解及练习4 .pdf
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1、状语从句状语从句在句中作状语,可分为:时间、条件、让步、原因、目的、结果、比较、地点、方式状语从句。一、 时间状语从句引导时间状语从句的连词有:when, as, while, until, notuntil, before, after, since, the minute, the moment, each( every, next, the first) time等。时间状语从句中一般用一般现在时或一般过去时。1When , while, as 都可解释为“当的时候”但侧重点有所不同。1)When Eg: When I arrived home , I had a little rest
2、. 注意点:when 从句的主语与主句主语相同,谓语动词是be 动词时,从句主语和be可以省略。Eg: When (she was) walking along the street, she met her class teacher. 2)As As 除了表示“当的时候”,还可表示为“一面 一面” , “随着”Eg: He sang as he danced.(一面 一面 ) You will grow wiser as you grow older.(随着 ) 3)While 表示“当 的时候” 强调主句的动作和从句的动作同时发生,从句一般用进行时,从句动词必须是延续性动词。Eg: Wh
3、ile we were working, they were having a rest. While (they were) having a discussion, they got very confused. 注意点:while 有对比的含义,解释为“然而”。eg: I prefer black tee, while he likes coffee. 2until, not until表示“直到 才” ,在肯定句中主句常用延续性动词;在否定句中主句常用短暂性动词。肯定句: I waited until midnight. 否定句: I did not leave until midni
4、ght. 注意点:1)not until在句首,主句用倒装eg: Not until you had explained how did I manage to do it. 2) It is not until that 引导的强调句It was not until it was dark that he came back. 3. the minute, the moment, each time 都可表示“一 就”eg: The worker recognized the type of the machine the moment he saw it. 注意点:the minute,
5、the moment, each ( every, next, the first) time作连词不和when 连用。4Hardly/scarcely when, no sooner than, as soon as表示为“一 就 ”eg: I had hardly/scarcely got home when it began to rain. I had no sooner got home than it began to rain. It began to rain as soon as I got home. 注意点: Hardly/scarcelywhen, no sooner
6、than位于句首,主句用倒装eg: Had I hardly/scarcely got home when it began to rain. No sooner had I got home than it began to rain. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页,共 6 页二 条件状语从句条件状语从句分为两大类:真实条件句和虚拟条件句。引导条件状语从句的连词有:if, even if/though, unless/ if not, as long as/ so long as, as far as/so far as
7、, provided/providing (that), on condition that 等。条件状语从句中如果主句是将来时,条件状语从句用一般现在时。1. unless 和 if notunless 相当于 if noteg: You will fail unless you study hard. You will not fail if you study hard. 注意点:在虚拟条件句中可用if not ,但不能用unless eg: If she were not too silly,she would understand. 2 引导条件状语从句的其它连词:Eg: You m
8、ay go there ,as long as you keep quite. Eg: I shall give you the book on condition that you return it tomorrow. Eg: I will go provided that you go too. 三 让步状语从句引导让步状语从句的连词有:though, although, even if/ though, however, no matter how, no matter what, no matter who 等。1though, although 不可与 but 连用,但可以和yet
9、 , still 连用 . Eg: Though/Although it is raining ,they are still running outside. 注意点:1) though 可引导倒装 (although 不引导倒装 ),结构为:强调对象 +as/though+主语 +其它成分,强调对象可为表语(名词、形容词)或状语(副词),表语为名词时,前面不用冠词。Child as/ though he was, he knew what was the right thing to do. Tired as he is, he goes on with his work. 2) desp
10、ite 和 in spite of 也有让步意义,后接名词或动词,而though, although 是连词,后接从句。Eg: Despite /In spite of wanting to see him again, she refused to reply to his letter. Though/although she wanted to see him again, she refused to reply to his letter. 2. “no matter+疑问词”或“疑问词+后缀 ever ”eg: No matter what happened, he would n
11、ot mind. Whatever happened, he would not mind. 注意点: no matter+疑问词不能引导名词性从句3.even if/ though 表示“即使”eg: He doesn t want to marry her even if/ though he loves her very much.四 原因状语从句引导原因状语从句的连词有:because, since, as , now that ,considering that, for the reason that , due to the fact that,owing to the fact
12、 that 等1because because语气最强,通常用于回答why 提出的问题注意点:在 it wasthat 的强调结构中,强调原因状语从句可用because引导,不用since,as, for 引导。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页,共 6 页Eg: It is because she is too inexperienced that she does not know how to deal with the situation. 2. since 和 as since 的语气比because 弱,比 as强,
13、表示间接的,已知的原因,自然的结果,表示“既然,由于” 。Eg: As/ Since you are not very well, you had better have a rest. 3for 当 for 表示原因关系时,for 分句是对第一分句内容的推断或猜测。Eg: It must have rained last night, for the ground is wet now. 五 目的状语从句引导目的状语从句的连词有:so that, in order that, lest, in case, for fear that 等。Eg: You must speak louder s
14、o that/in order that you can be heard by all. He wrote the name down for fear that he should forget it. Better take more clothes in case the weather is cold. 注意点:lest, in case, for fear that 所引导的状语从句中,动词可以用虚拟语气,形式为 should+动词原形,也可不用虚拟语气,用动词的一般现在时或一般过去时。Eg: You had better leave the key at home in case
15、 one of us should think of/thinks of coming back. 六 结果状语从句引导结果状语从句的连词有:so that, sothat, suchthat等eg: He is so young that he can not go to school. He is such a young boy that he can not go to school. 1常用句型:so+形容词 /副词 +that 从句so+形容词 +a/an+单数可数名词 +that 从句such +a/an+形容词 +单数可数名词 +that 从句such +形容词 +复数可数名词
16、/不可数名词 +that 从句2so 和 such 的搭配规律such 修饰名词或名词词组,so 修饰形容词或副词,so还可接 many, few, much, little 等。Eg: so foolish such a fool so nice a flower such a nice flower so many/few flowers such nice flowers so much/little money such rapid progress so many people such a lot of people 七 比较状语从句引导比较状语从句的连词有:asas, than,
17、 not soas, the morethe more等如:He speaks English as fluently as his brother (does) I can t jump so /as high as he (does)There are more workers in this factory than in the one next to it . The more you read, the more interesting , you will find the novel is . 连接词 than 可作为关系代词用。如:精选学习资料 - - - - - - - -
18、 - 名师归纳总结 - - - - - - -第 3 页,共 6 页He wrote more than was necessary Don t carry more mo ney than is needed 八地点状语从句引导地点状语从句的连词有:where, wherever 以及where 构成的复合词等eg: She found her calculator where she lost it. Wherever I am, I will miss you. 注意点:eg: I happened to see your dictionary lie where I used it l
19、ast time. (地点状语从句)I happened to see your dictionary lie in the lab where I used it last time.(定语从句)九 方式状语从句引导方式状语从句的连接词有as, just as, as if / though (一般用虚拟语气,也有用直陈语气的)等。EG:Just do as you are told. The workers went on working as if nothing had happened. He talked to the girl as though he had fallen in
20、 love with her. 在 just as -, so - 结构中,as 带有比喻含义。意为“正如” ,多用于正式文体。EG:Just as some people like sports, so some people like music. the way 也可引导方式状语从句。EG:you should operate the machine the way I do . 基础题1. Wed better hurry _ it is getting dark. A. and B. but C. as D. unless 2. I didn t manage to do it _
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