高中英语语法专题指导课件：状语从句.ppt

* 高中英语语法专题指导课件：状语从句 时间状语从句 原因状语从句 地点状语从句 目的状语从句 结果状语从句 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 when whenever as while before after until (till) since as soon as once each/every time next time the first/…time the moment the minute instantly immediately directly　(一…就…) no sooner…than hardly/scarcely…when 1)when的用法：was doing…when, be about to do… when“正在做 某事/正要做….突然发生另一件事”。 2.)几种特殊句型与强调结构的区别： It is + 时刻 + when… It is/has been + 段时 + since… It will be/was + 段时 + before (现在时/过去时).“过一段时间…才” 3).before的用法： A：表“还未来得及…就…” B：表“过一段时间才…”， 4).until的用法：在not…until结构中，谓语用短暂性动词， “直 到…才”;谓语为延续性动词，用until表“一直持续到…”。 考查重点 5) no sooner…than hardly/scarcely…when 刚……就 A. 时态：主句用过去完成时（had + pp） 从句用一般过去时 B. 倒装： no sooner/hardly/scarcely放句首，主句要 到装 She had no sooner arrived at the station than the train started to move. No sooner had she arrived at the station than …. He had hardly entered the hotel when it began to snow. Hardly had he entered the hotel when it began to snow 1.We were told that we should follow the main road____we reached the central railway station. (2004辽宁) A. whenever B. until C. while D. wherever 2.It is almost five years____we saw each other last time.(2005北京) A. before? B. since C. after? D. when 3.Simon thought his computer was broken_____his little brother pointed out that he had forgotten to turn it on. (2005北京春) A. until B. unless C. after? D. because 4.The American Civil War lasted four years____the North won in the end.(2005广东30) A. after B. before? C. when D. then 5.--Did Jack come back early last night？ (2005福建) --Yes. It was not yet eight oclock_____ he arrived home. A. before? B. when C. that? D. until 6.We wer