文档介绍：状语从句主讲人:贺瑞梅 What are “ Adverbial Clauses ”? 在主从复合句中修饰主语中的动词、形容词、副词等的从句叫做“状语从句”。分类如下: 状语从句 1. 时间状语从句 2. 地点状语从句 3. 原因状语从句 4. 条件状语从句 5. 让步状语从句 6. 目的状语从句 7. 结果状语从句 8. 方式状语从句 9. 比较状语从句 1) 常用连词如下: as, when, while, till / until, not … till / until, before, since, after 等。 1. 时间状语从句 . I wo . I wo n n’’t t know where he is know where he is until until I I get a letter from him. Till get a letter from him. Till 只能用只能用于肯定句中, 于肯定句中, until until 既可以用于肯定既可以用于肯定句,也可以用于否定句。句,也可以用于否定句。?? It It’’ s/will be + s/will be + 一段时间一段时间 before before + +一一般现在时般现在时表示过了多久表示过了多久才才?? It It’’ s/will s/will ( ( not) be + not) be + 一段时间一段时间 before before + +一般现在时一般现在时表示没过多久表示没过多久就就?? it it ’’ s been+ s been+ 一段时间一段时间 since + since + 一般过一般过去时去时?? It will be a long time before we It will be a long time before we meet again. meet again. ?? It has been 20 years since we first It has been 20 years since we first saw each other. saw each other. 2) 2)一些表示时间的一些表示时间的名词词组名词词组也可引也可引导时间状语从句。如: 导时间状语从句。如: the moment, the moment, the minute, the minute, (一(一……就) 就) next time next time (下次) (下次) , every/each time , every/each time (每(每次)。次)。?? . The moment es, I will . The moment es, I will tell him. tell him. ?? 3). 3). 介词也可以引导状语从句。如介词也可以引导状语从句。如 since, before, after since, before, after 。。?? I would like to invite you to do I would like to invite you to do several exercise ing to several exercise ing to our key points. our key points. 4) as soon as, immediately, directly, instantly 等副词也可引导状语从句。表示“一……就……”。 As soon as I reach home, I will tell him the news.