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课件网) 人教新目标Go For It九年级英语全册 Unit12 Life is full of the unexpected SectionA Grammar Focus-4c Unit 12 Section A (Grammar Focus-4c) Life is full of the unexpected. Teaching Objectives 语言知识: 准确运用正确的时态描述自己生活中发生的事情。 01 学习能力: 了解过去完成时态，复习一般过去时态。 02 文化意识: 通过观察归纳，正确理解和运用过去完成时态。 03 思维品质: 通过区别一般过去时态和过去完成时态，培养思维的批判性和逻辑性。 04 Discussion 这些句子，为什么分别使用一般过去时和过去完成时？ 在使用不同时态时，这些句子的动作有什么先后顺序？ 宾语从句，主句一般过去时，从句动作发生在主句之前，用过去完成时。 When I got to school, I realized that I had left my backpack at home. by the time/ before + 一般过去时的时间状语从句，主句动作发生在从句之前，主句用过去完成时 By the time I got back to school, the bell had rung. Before I got to the bus stop, the bus had already left. Warming Up Let’s first enjoy a video. What is the song about What tense will we use when telling a story happened long ago It tells a story about a princess asleep. Past tense. Lead-in Bob and Peter are late for school. Bob and Peter are late for school. You were late for school this morning. What happened I stayed up watching the football match last night, so I overslept this morning. I rushed to the bus stop without breakfast. But unluckily, by the time I got there, the bus had already left. By I got to the school, the class had been on 15 minutes. You shouldn’t stay up so late at night. when引导的时间状语从句用一般过去时，主句表示decided的时候马上要做的事情，发生在decided这个动作之后，用过去将来时。 I was about to go up to my office when I decided to get a coffee first. As 引导的时间状语从句用过去进行时，主句表示was waiting那个时间发生的动作，表示过去某个时间发生的动作，主句用一般过去时 As I was waiting in line with the other office workers, I heard a loud sound. 过去完成时由“助动词had (用于各种人称和数) + 过去分词”构成，表示某动作或状态在过去某一时间或动作之前已经发生或完成，它表示动作发生的时间是“过去的过去”。 过去完成时 Lead-in Bob and Peter are late for school. Bob and Peter are late for school. You should set an alarm clock . My parents had gone to Beijing to attend a meeting. Nobody woke me up today. Past Perfect Tense Grammar Focus When I got to school, I realized that I had left my backpack at home. By the time I got back to school, the bell had rung. Before I got to the bus stop, the bus had already left. I was about to go up to my office when I decided to get a coffee first. As I was waiting in line with the other office workers, I heard a loud sound. Read the sentences below, and circle the conjunctions of clauses and underline the tense. 过去的过去 过去某时 现在 将来 （先发生） （后发生） 过去完成时 从过去之前的某个时间点到过去的某个时间点为止 When I got to school, I realized that I_____my backpack at home (落下了) By the time I _____school, the bell had rung.(到达) Before I ____to the bus stop,(到达) the bus_ ... ...
