状语从句课件（24张）

课件24张PPT。状语从句Adverbial ClauseAlice Mingguang Middle school状语从句定义及分类状语从句就是用不同的连接词将几个分句连接起来，以表达分句之间特定的逻辑关系。 时间状语从句 地点状语从句 原因状语从句 结果状语从句 目的状语从句 条件状语从句 让步状语从句 比较状语从句 方式状语从句引导词的意义一 时间状语从句常用引导词： when, while, as, as soon as, before, since, till / until, after, no sooner…..than等 1 when as while 1）as和when从句中既可用持续性动词也可用短暂性动词作谓语。 while从句中用持续性动词作谓语。当从句中的谓语动词为持续性动词时，这三者可以通用 Mother was worried because little Tom was ill, especially as / when / while father was away in France. The telephone rang while I was taking a bath2) as可译为“一边......，一边......”或“随着” He looked behind from time to time as he went. As time goes by,…….. 3) 当主从句之间表示转折或对比关系时，多用while。 She thought I was talking about her daughter, while in fact, I was talking about my daughter. When : at that time 常用句型 be doing sth when be about to do when be at the point of doing when had done sth when did 2 一… 就…as soon as the minute, the moment, the instant, immediately, directly, instantly hardly/scarcely…when… no sooner…than… On / upon+ n / doing No sooner had I arrived home than it began to rain. Hardly had I arrived home when it began to rain.他刚到达那里就生起病来。 He had no sooner arrived there than he fell ill. =No sooner had he arrived there than he fell ill. 他还没全说完，就有人起来反驳他的论点。 He had hardly finished when someone rose to oppose his points. =Hardly had he finished when someone rose to oppose his points. 时间短语引导的时间状语从句next time, by the time, every time, each time, the day etc. Next time you come, remember to bring along your sister. In the classic children’s tale, the puppet Pinocchio’s nose grows longer every time he tells a lie. 关注： 1.by the time强调“一个动作在另一个动作之前完成”， 因此主句主要用完成时态。 By the time they arrived, we had already left. By the time they arrives, we will have already left. 2. the first time for the first time it is was the first time that……..3 since beforeSince Great changes have taken place since you left. He has written to me since frequently since he was ill. It has been a year since I worked here. 注意此时从句的翻译 重点句型： It is / has been + …..+ since + did 2) Before a.重点句型：It will be / was + …..+ before+ It will be some time before we know the full results. b. 可译为“ 还没来得及，还没” The thief escaped before the police came. Before I could get in a word, he went away. 4. till / until四个重要句型： 肯定式：延续性动词 + till / until 否定式：非延续性动词+ till / until 强调句式：It is / was + not until +……+that+…… 倒装句式：Not until + 从句 + 部分倒装 He waited for us till / until ten o’ clock. I can’t go home until / till Saturday. Until Saturday I can’t go home. ( till不放句首 ) It was not until he finished his work that he went to bed. Not until he finished his work did ... ...