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课件网) Unit 7 Section A Grammar Focus A Day to Remember Learning objectives summarize the rules of changing regular verbs into the past tense; remember the past tense of some irregular verbs; remember the time expressions for the past in the simple past tense; master the sentence structures of the simple past tense; use the simple past tense to describe what happened in the past. In this lesson, we will be able to: Sunshine middle school hold a school trip to science museum. Let’s watch a radio about this trip. In English, how to describe something that happened in the past By using the simple past tense of verbs. Underline the time expressions for the past. Did you see anything interesting at the science museum yesterday Yes, I did. There was a space exhibition. There were robots. Did Teng Fei give the tourists the right directions last weekend No, he didn't. He felt bad about that. Did you go on a school trip a week ago Yes, we did. We went to a wastewater plant. What did you do the day before yesterday I visited the zoo with my family. How was your weekend It was terrible. I got on the wrong bus. I left my book on the bus too. What can you find Did you see anything interesting at the science museum yesterday Yes, I did. There was a space exhibition. There were robots. Did Teng Fei give the tourists the right directions last weekend No, he didn't. He felt bad about that. Did you go on a school trip a week ago Yes, we did. We went to a wastewater plant. What did you do the day before yesterday I visited the zoo with my family. How was your weekend It was terrible. I got on the wrong bus. I left my book on the bus too. They are v.-ed forms（动词的过去式）. Tip: When we talk about things that happened in the past, we should change the verbs into v.-ed forms. 一般过去时的用法： 1. 表示过去某一时间发生的动作或存在的状态: 2. 表示过去的习惯或经常发生的动作： I got up at six this morning. When I was in the countryside，I fed ducks. 一般过去时的时间标志词: ago 系列： three days ago one moment ago last系列： last time last year last night yesterday系列： yesterday yesterday morning the day before yesterday 一般过去时结构：谓语动词是be(was/were)动词: 肯定句：主语+was/were+其他. 否定句：主语+ wasn't/weren't+其他. 一般疑问句: Was/Were+主语+其他？ 特殊疑问句: 特殊疑问词+was/were+主语十其他 一般过去时结构：谓语动词是实义动词: 肯定句：主语+动词过去式+其他. 否定句：主语+didn't十动词原形+其他. 一般疑问句: Did+主语+动词原形十其他 特殊疑问句:特殊疑问词+did十主语+动词原形+其他 did一现，动词 还原 过去式要牢记，一 般词尾加ed。 called learned helped 词尾若有哑音e，直接加d就可以。 lived smiled hoped 元音＋辅音重读闭音节： 元辅重闭做尾巴，双写之后加ed。 stopped planned slipped 若是辅音加上y，变y为i加ed。 cried tried buried 动词 过去式规则 变化 中间有双e,去 e 尾加 t： keep-kept sleep-slept feel-felt 结尾 d 要变 t： spend-spent build-built 遇见 i, a 来替： sing-sang swim-swam begin-began 若是买来想打仗，战甲 ought ... ...
