时间状语从句说课一等奖.pptx

初二下 时间状语从句复习资料;引导时间状语从句的连词有：;When --- 当……的时候，通常主句是进行时，从句用短暂性动词when 从句的动词大多是瞬时动词 。;When 当从句是进行时，主句是一般时。;While ---表示两个动作同时进行，并用进行时，谓语常用延续性动词。;;While ---在……期间，往往指一段时间。;As --- 一边……一边, 随着;As --- 当……时，指一个动作紧接着一个动作发生，从句通常用进行时。;when, while, as 的互换　如果从句动作和主句动作同时发生，并且从句动作为延续性动词时，when，while，as 可以互换使用。 When /While /As we were dancing, a stranger came in. 当我们跳舞时，一位陌生人走了进来。 [dance 为延续性动词]　　;五、比较while, when, as1）as, when 引导短暂性动作的动 例如： As / When I stopped my car, a man came up to me. 我刹车后，有一个人向我走来。 　　　　 2）从句表示“随时间推移”连词能用as，不用when 或while。 例如： As the day went on, the weather got worse.　 日子一天天过去，天气越变越坏。 ;Not… until --- 直到……才; 肯定句：I slept until midnight. 我一直睡到半夜时醒了。 　　 　Wait till I call you. 等着我叫你。 否定句： She didn't arrive until 6 o'clock. 她直到6点才到。 区别：1）until可用于句首， 而till通常不用于句首;Before --- 在……之前;After --- 在…… 之后;I’ll tell her when she comes tomorrow.;1．_________ he comes tomorrow, I will ask where he has been. 2．_________ he was speaking, everybody listened carefully. 3．The students sing ____they dance. 4．Have a good look at that man _________ you pass him. 5．It was already eight o'clock _________ we got there. ;6. I was playing _________ the teacher came in. 7．______ the time goes by , I become interested in English 8. He learned to speak German _________ he was in Berlin. 9. Henry is watching TV ________ Mr. Smith is reading newspaper. ;10. He had learned Chinese _________ he came to China. 11. _________ the work was done, we sat down to sum up experience. 　　 12. I didn’t go to bed _________ I finished my homework. 13. I waited ________ he came back. ;20. __________ I get to the airport, I will phone you to pick me up. 22. Tim will call me as soon as he ________ my letter. A.receive B. will receive C. received D. receives ; 1我们正忙于做作业。 2 制定一个学习计划怎么样? 3昨晚八点当我正在看电视时，我妈妈正在洗澡。 4当我进来的时候，我弟弟正在玩游戏。 5直到妈妈回来我才睡觉。 6 我经常吃饭后和妈妈去散步 7为什么不骑自行车探险西藏 ___ ___ ____our bicycle to ____ tibet? ;1我们正忙于做作业。 2 制定一个学习计划怎么样? 3昨晚八点当我正