Unit 12 Festivals Grammar 状语从句 课件-2022-2023学年高一上学期中职英语语文版基础模块上册

Unit 12 状语从句 Adverbial Clauses 1 定义 在复合句中，用作状语的从句叫做状语从句。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式等从句。 状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。 2 分类 时间状语从句 1 2 3 4 5 地点状语从句 目的状语从句 原因状语从句 条件状语从句 结果状语从句 6 7 8 让步状语从句 方式状语从句 时间状语从句 Adverbial clause of time 1. 时间状语从句 时间状语从句的常见连词 连词 用法 例句 when “当…时” When I came into the room, he was writing a letter. while 1. “当...时”，主从句两个动作同时相伴随而发生。 while引导的动作必须是持续性的 2. 意为“然而” While it was raining, they went out. All of us are working hard while he is sleeping. as 1. 意为“一边...一边”，强调主句和从句的动作同时发生 2. 意为“随着” As he walked along the lake, he sang happily. As time goes by, I like China better. 5 1. 时间状语从句 before 意为“在…之前”，才，“就” I finished my task before I went home. Before we got to the bus stop, the bus had gone. after 意为“在…之后” He arrived after the game started. I went to school after I finished my breakfast． till / until 1.“直到…为止” 2. not…until表示“直…才” We waited till (until) he came back. She didn’t stop working until eleven o