Unit12单元知识梳理2022-2023学年人教版九年级全一册

人教版九年级全一册单元知识梳理 Unit 12 Life is full of the unexpected. 第一部分 单元重点词句一览 重点词汇 Section A: unexpected; backpack; oversleep; miss; block; worker; stare; above; burn; alive; airport; till; west; cream; bean; market Section B: fool; embarrassed; announce; discovery; lady; cancel; officer; believable; disappear 重点词组 Section A: by the time; go off; give sb. a lift; be about to do sth.; wait in line; turn into; show up; by the end of Section B: costume party; sell out; lose weight; hundreds of; thousands of 重点句型 1. By the time I got up, my brother had already gotten in the shower. 2. When I got to school, I realized that I had left my backpack at home. 3. But before I got to the bus stop, the bus had already left. 4. As I was waiting in line with other office workers, I heard a loud sound. 5. Before I could join the others outside to see what was going on, the first plane had already hit my office building. 6. Many people ran to their local supermarkets to buy as much spaghetti as they could. 7. Welles made it sound so real that hundreds of people believed the story, and fear spread across the whole country. 第二部分 教材知识梳理 知识点一 过去进行时 教材原文 As I was waiting in line with other office workers, I heard a loud sound. 当我正在和其他办公室职员排队等候的时候,我听到一声巨响。 本句中的was waiting是过去进行时。过去进行时用来描述过去某个时间正在发生的动作或存在的状态。该时态的基本结构为“was/were+现在分词”。 I was watching TV at eight o’clock yesterday evening. 昨天晚上八点我正在看电视。 易错提醒 过去进行时可以和when、while搭配，when引导的从句通常用一般过去时，主句用过去进行时; while引导的从句通常用过去进行时。 When I arrived home, my mother was cooking in the kitchen. 当我到家的时候,我妈妈正在厨房做饭。 While Mary was watching TV, the children were playing computer games. 玛丽看电视时,孩子们都在玩电脑游戏。 例1 -Why didn’t Alice come to the party last night? -Because she_______ online classes at that time A.takes B.took C.was taking D.has taken 知识点二 常见的 turn 短语 教材原文 My