中学英语八大时态教学.pptVIP

1.表示过去某一时刻或某一段时间内发生的动作或存在的状态. We were discussing the plan the whole morning yesterday. 2.表示过去反复发生的动作。 过去进行时与always frequently continually 等词连用，表示过去反复发生的行为动作，带有表示赞美 厌烦等感情色彩。 He was continually asking her questions. 3.表示一个动作发生时，另一个动作正在进行。 I was writing a letter when he came in 4. come, go, plan, leave , look forward to 等动词的过去进行时表示过去将要发生的动作。 He told me he was leaving for Shanghai tomorrow. 过去进行时中的when 和while的区别： 1.当表示“当…时候时” 是一样的 2.when 和动作持续较短的动词连用也可以和动作持续较长的动词连用，while和动作持续较长的动词连用。 I was walking on the street ,when I met him. While I was walking on the street ,I met him. 3.当表示两个动作同时发生时 用while I was watching TV while my brother was reading English book. 过去完成时态 过去完成时 定义：表示在过去的某一时间或某一动作之前已经完成的动作或由过去某一时间开始，延续到过去的另一时间的动作。 结构：主语+had+过去分词(done) 否定式结构：主语+had+ not+过去分词+其他 疑问式结构: Had+主语+过去分词+其他 肯定回答：Yes, 主语+had 否定回答：No, 主语+hadnt 被动式结构 ：主语+had +been +done +其它 He had finished his homework before he watched TV. His homework had been finished before he watched TV. 过去完成时的用法： 1.用于含有 by ,before ,when, after ,until 等引导的时间状语从句中。 He had learned English before Tom went to England. 2. 用于含有 for, since 等时间状语从句中。 He had been ill for a week when he was sent to hospital. 3.若过去的两个动作发生的先后顺序由上下文能判断出来，则先发生的动作用过去完成时。 She was tired because she had worked a whole day . 4.在 hardly … when … no sooner…than… scarcely …when…句式中主句用过去完成时且常进行半倒装。意为 “一...就…” Hardly had I come when the phone rang. No sooner had he finished his homework than he watched TV. 5.Mean ,hope ,intend ,want ,think , promise等的过去完成时可用来表示 “本来打算做而没有做某事” I had hoped to see her again. 过去将来时： 定义：表示从过去的某一时刻来看将要发生的动作或存在的状态。 结构：主语+would /should +v(原形) +其它 主语+was/were going to +v(原形) +其它 否定式结构： 主语+ would/should +not +v (原形) +其它 疑问式结构： would /should+主语+v(原形) +其它？ 被动式结构： 主语 +would/should +be +done +其它 1.was /were going to +v(原形) 表示过去将来时，表示过去打算或计划将要做某事。 She told me that she was going to learn another foreign language. 2.was/were +to +v(原形) 表示过去将来，这种结构表示过去计划或安排将要做的事情。(注定要发生的) He said that he was to finish the work in a we