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课件网) 状语从句 讲与练(1） 框架结构图 状语从句的常见连词 一、时间状语从句: when当..的时候, while 当..的时候, as 当..的时候；随着, before 在...之前, after在...之后, since自从, until直到, not...until 直到...才, every time每次, the first time第一次, by the time 到...时候, (the) next time下次, as soon as 一...就... = the moment =immediately =no sooner … than =hardly /scarcely …when 二、地点状语从句: where...的地方， wherever无论什么地方 四. 结果状语从句： so（ that）所以， so...that...，such...that...如此...以至于... 五. 目的状语从句： so (that）以便，in order that以便/为了 in case以防/以免 六. 条件状语从句： if如果= providing/provided (that)， unless(除非)= if... not so/as long as只要 in case万一 once一旦 on condition that(条件是) 三、原因状语从句： because因为=as= in that， since既然= now that（常放主句前） 八. 方式状语从句： as按照，正如，as if/though似乎,好像 九. 比较状语从句： than 比，as..as...和...一样.. not as/so...as... 不如... the＋比较级，the＋比较级 越...., 越... 七. 让步状语从句 though, although尽管/虽然, while ( 常放句首 )尽管/虽然 even if= even though 即使 as(必须要倒装) 虽然/尽管 no matter+what/which... , 疑问词+ever 无论 ... Point 1 固定句型 1. It will be +时间段+ before...(得过好久才……) It will not be+时间段+before...(过不了多久就……) 2. It was+时间段+ before...(过了多久才……) It was not +时间段+before...(过了多久就……) 3. It is/has been +时间段+since ...(自从……有多久了) ①It's three days _____ he returned home. ②It was three days_____ he returned home. ③I think it will not be long _____the epidemic is controlled. before before since 1. _____I came into the room, he was writing a letter. 2. I kept silent _____he was writing. 3.She sang _____she went along. 4. _____ time goes by, things are getting better and better. Point 2 as when while 当...的时候 When/As while as As as when while 当...的时候 1. while 后面只能跟延续性动词。 2. 主句从句动作都为持续性动作时， 用while 3. 表“一边...一边...” (两个动作同时进行)或“随着” 用as 1．—Peter，please send us postcards _____ we'll know where you have visited. —No problem. 2．He is a shy man,_____he is not afraid of anything or anyone. 3．If you don't understand something，you may research，study，and talk to other people _____you figure it out. 4. _____the average age of the population increases，there are more and more old people to care for. 5. If you miss this chance，it may be years_____you get another one. so (that) but until As before It will/may be＋一段时间＋before… 表示“得过多久才……”。 for × 6．We need to get to the root of the problem_____we can solve it. 7． _____birds use their feathers for flight, some of their feathers are for other purposes. 8. _____ online shopping has changed our life，not all of its effects have been positive. 9．My grandfather still plays tennis now and then,_____ he's in his nineties. 10. _____ scientists have learned a lot about the universe，there is much we still don' ... ...
