状语从句 课件 2023-2024学年高一英语初高衔接课程

状语从句 状语从句 1. 状语从句位置灵活，可以位于句首，句中或句尾。 2. 置于句首，通常与主句之间有逗号；在句中，前后有逗号与主句隔开；句尾，逗号可有可无。 3. 比较，方式，结果状语从句通常位于主句之后。 4. 状从由连词引导，也可由一些起连词作用的词或短语引导。 as +时间状语从句 主句+ the moment +时间状语从句I saw him 状语从句 时间: when, while, as, whenever, before, after, till/until, since, as soon as, the instant, the minute, the moment, immediately, directly, instantly, no sooner…than…, hardly/scarcely…when…, next time, the last time, every time, each time, once（一旦） 原因: because, as , since, now that（既然）, considering that （考虑到，鉴于） 条件: if, unless, as/so long as, in case（万一）, supposing（假设）, provided/providing（假如）,provided that, on condition that（假如，如果） 让步: although, though, as, while, even if, even though, 疑问词+ever，no matter+疑问词， whether…or…，whether …or not 目的: so that, in order that 结果：so/such…that…, so that 地点: where, wherever, anywhere, everywhere 方式: as, as if, as though 比较: than, as…as…, not as/so…as… 连词when 主句：had done, was/were doing, was/were about to do（正要。。。）, was/were on the point of doing sth（正要。。。） 从句：when+一般过去时句子 1. I was driving down to London when I suddenly found that I was on the wrong road. 2. She had just finished her homework when her mother asked her to practice playing the piano. 3. The boy was on the point of jumping off the bridge when some one cried, “Stop!” 4. She was just about to say something more when she noticed that the teacher was approaching. whenever conj. 无论何时，每当，每次 Whenever she comes, she brings me a bunch of flowers. I also water the flowers in the yard and tidy up my own bedroom whenever (it is) necessary. The roof leaks whenever it rains. while 时间状从：在。。。期间，当。。。时候 让步状从：虽然，尽管（用于句首） 并列连词：然而 1. I would do some reading while I was waiting for the train. 2. While emotional intelligence is popular among the public, people have some misunderstanding about it. 3. A doctor can use it to treat patients, while a cheater may use it to find potential victims. as conj. 表时间：当。。。时，随着。。。 I love you more and more each day as time goes by. 表原因：因为，由于 She may need some he