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学习指南本单元围绕同学们感兴趣的事件“外星人登陆时,人们在做什么?”为话题,谈论过去的事情和讲述故事。学习以“when”和“while”引导的含有过去进行时的句子结构。掌握过去进行时的用法。重点、难点知识点拨[课文注释]1.WhatwereyoudoingwhentheUFOarrived?当飞碟出现时,你正在做什么?这句话中出现了一个新时态--过去进行时。“WhatwereyoudoingwhentheUFOarrived?”。它谓语部分的构成是由“was／were+V-ing”。表示在过去某一时刻或某一段时间内正在进行或发生的动作。如:
Study Guide This module centers around the events that students are interested in. “What are people doing when the aliens land?” is a topic, talking about past events and telling stories. Learn sentences structured with “when” and “while” that contain the past. Grasp the usage in the past. Highlights, Difficulties Knowledge Aids [Text Notes] 1.WhatwereyoudoingwhentheUFOarrived? What were you doing when the UFO appeared? There was a new tense in this sentence--in the past. “WhatwereyoudoingwhentheUFOarrived?”. Its predicate part is composed of “was/were+V-ing”. Indicates an action that was in progress or occurred at some time in the past or within a certain period of time. Such as: