中小学教育资源及组卷应用平台 （一）状语从句 状语从句是指由从句担任的状语，在句子中可修饰谓语（或其它动词）、形容词、副词或是整个句子，它可以用来表示时间、地点、原因、目的、结果、条件、方式、比较、让步等。状语从句是一较大的语法项目，也是近几年高考题中常见的一个重要试点。 （1）时间状语从句 表示时间的状语从句可由when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), by the time, no sooner … than, hardly (scarcely) … when, every time等引导。 e.g. When I came into the office, the teachers were having a meeting. He started as soon as he received the news. Once you see him, you will never forget him. No sooner had I gone to bed than I went to sleep. （2）地点状语从句 引导地点状语从句的连词where ,wherever 指具体地点时从句可放主句前或后，表示抽象条件含义时，从句必须放在主句前。如: Where there is a will ,there is a way. You are free to go wherever you like. （3）原因状语从句 1）引导原因状语从句的从属连词有because ,as ,since ,now that ,seeing that ,considering that ,每个连词的含义不尽相同。 2））除了状语从句外，一些介词短语同样可以表示原因， 这样的短语有:because of ,thanks to ,due to ,owing to等。 e.g. He is disappointed because he didn't get the position. As it is raining, I will not go out. Now that you mention it, I do remember. （4）目的状语从句 引导目的状语从句的从属连词有: so that ,in order that ,for fear that ,in case, lest等 1)in order that 与so that 表示 “以便….，为了……”引导的原因状语从句中需用情态动词，前者比后者正式，后者引导的从句只能置于主句之后。 I’ll speak slowly so that you can understand me. In order that we might see the sunrise, we started for the peal early. 2)for fear that , in case ,与lest 这些从属连词引导的目的状语从句中谓语动词要用(should)+动词原形，它本身带有否定意义。相当于so that …not 或in order that …not…如: The boy hid himself behind the tree in case /for fear that his father should see him. Take your raincoat in case /lest it should rain. （5）结果状语从句 引导结果状语从句的从属连词有: so that, so….that , such ….that… 注意结构: so +形容词/副词+that 从句 so +形容词+a/an+可数名词单数形式+that 从句 so +many/much/few/little+ 名词+that 从句 such +a/an+形容词+可数名词单数形式+that 从句 such +形容词+复数名词形式/不可数名词+that 从句 such +a lot of/lots of +名词+that 从句 如: Mike is such an honest worker that we all believe him.= Mike is so honest a worker that we all believe him. 比较: It is not surprising that such little worms eat so little grain. （6）条件状语从句 引导条件状语从句的从属连词有: if ,unless ,so/as long as ,incase ,on condition that, suppose /supposing that ,provided that 等。 如: You will fail the exam unless you study hard. In case there is a fire , what will you do first? （7）方式状语从句 引导方式状语从句的连词有:as, as if ,as though 等 方式状语从句应放在主句之后。其中as if/though 引导的从句一般用虚拟语气,但如果从句中所陈述的情况很可能发生,也可用陈述语气。 如: Do as you are told to ,or you will be fired. The old lady treats the boy as if he were her own son. ... ...
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