高中英语状语从句（共27张PPT）

Adverbial Clauses 郑州外语中学 刘婕 Definition & Function 状语从句在整个复合句中起状语作用，用来修饰谓语 动词，形容词或副词，有时用来修饰整个句子。 目的 原因 让步 结果 比较 条件 地点 时间 1.Adverbial Clauses of Time:时间状语从句 when, while, as, before, after, since, until, as soon as 如果主句为将来时，从句应为一般现在时。 when / while 当……时 1) When: 主句的谓语动作正在进行，when 连接的从句的谓语动作才发生。 2) While: while 连接的从句的谓语动作正在进行，主句的谓语动作才发生。 He was doing some gardening __________ he heard the bell ring. 2. He heard the bell ring __________he was doing some gardening, when while when / while 当……时 3) While: 引导的从句，所用的谓语动词必须是可以延续的，即延续性动词或be + adj. Can you look after my pet dog __________ I’m away. 2. I fell asleep __________ I was reading. while while as 一边...一边…(主从句的谓语动词必须是同时发生的） 她边唱歌边做作业。 She sang as she worked. 我刚要出门，电话就响起来了。 The phone rang just as I was leaving the house. 她沿着路走着，心里想着她父亲。 As she walked along the road, she thought about her father. before 在…之前/ after在…之后 before/ after常与过去时、一般现在时和完成时态连用 1)It won’t be long ________ he finishes his writing. 2)Turn