状语从句课件高三复习使用讲解.ppt

状语从句;一.时间状语从句;1.时间状语从句;2)while, when, as辨析 ;1._______he returned , his wife was cooking. 2._______he was reading, his wife was cooking. 3.We talked happily_____we walked along. 4.__ time goes,it’s getting colder.;当主句是非持续性动词，从句的谓语动词时持续性 动词时，when,while,as可互相替换 _________________we were still;另外, when/while还作并列连词,连接并列分句, while表示 “而,可是”如: I like reading ______my wife enjoys watching TV. when表示 突然性“就在这时” 在下列结构中，表示某件事正在发生或刚刚发生，另一动作同时发生。 1.be about to do… when… 2.be doing… when… 3.had done… when… 4.be on the point of doing…when…;. ________________________(我们正要开始就在这时start)it began to rain. 2.____________________________ mom came in. 3.I had just got home ____________________(就开始下雨）;3)until/till(不用于句首);4)表示“一…就…”的句型 (1) as soon as (2) the moment/ minute/ second (3) immediately/ directly/ instantly 1. ____________________(我一看见他soon), I’ll tell him. 2.____________________(我一看见他moment), I recognized him. 3.I left_________________________(钟一敲五点struck).;(4) on / upon doing / on (upon) one’s +n 1.On _________________, the thief was arrested. (一到达车站arrive) 2. On___________________(他一到达巴黎arrival), he was recognized as a famous person. ;(5) no sooner… than hardly/scarcely/rarely… when 1.No sooner ______________________it started to rain(他刚一到家reach）. 2.Hardly ________________________the telephone rang（她刚一进入房间enter). ;5)Every time, each time,next time,the first /last time,any time, by the time 等也可以引导时间状语从句;(6)immediately/directly/instantly;before “ 还未…就…”, “不到…就…”， “趁……就……”;;1. It will be two years______________ (我才回来before） 2.__________________(要不了多久) the problem is solved. ;since/ever since; 比较：before，that，when，since 1.-What was the party like? -Wonderful. It’ years ______I enjoyed myself so much. 2.It was half past eleven ______he finished the task. 3.It was at half past eleven ______he finished the job. 4.It was a long time _____I went to sleep again.;2. 让步状语从句 引导词有： although, though, even if/though, as , while（尽管）whether…or…( 无论…还是…