7B Unit 4 Grammar 学案.doc

7B Unit 4 Grammar 学案 一般过去时 1. 概念：表示发生在过去的动作或状态。 2. 构成：肯定句: 主语+was / were … 主语+动词过去式… 否定句: 主语+wasn’t / weren’t… 主语+didn’t 动词原形… 一般疑问句: Was / Were + 主语…? Did + 主语 +动词原形…？ 3. 时间状语：yerterday the day before yesterday yesterday morning last year just now last night an hour ago a moment ago once this morning in 2004 4. 动词过去式规则变化 （1） 在动词原形词尾加-ed （2） 以e结尾的动词加-d （3）重读闭音节动词，双写最后一个字母,再加-ed （4）以“辅音字母+y”结尾的动词，变“y”为“i”，再加-ed 不规则变化：参照7B120页 Have a try! walk________ cry_______ shop_________play ________ use_______ buy_________ cost ________ pay_______know________ 一、Change the following sentences into the simple past tense 1.Now he lives in London. (last year, Paris) 2.We have English and Maths today. (yesterday, music) 3.He usually gets up at seven. (this morning, eight) 4.Now he is a worker.( in 1984, a student) 5.Jim sometimes plays tennis. (last weekend, basketball) 二、改写句子： 1、Lucy did her homework at home.（改否定句） Lucy _______ _______ her homework at home. 2、He found some meat in the fridge.（变一般疑问句) ______ he _____ ______ meat in the fridge? 3、She stayed there for a week.（提问） ______ ______ _____ she _____ there? 4、There was some orange in the cup.（变一般疑问句) _____ there _____ orange in the cup? 三、一般过去时态练习 1. _____ you ____________(remember) to buy the oranges? 2. Who __________(invent) the computer. 3. We ______(go) to the cinema last night. The film ______ (be) very good. 4.What time _____you ______(get) to school this morning? 5.Jim ____(do) a lot yesterday. He______(go) shopping and________(cook) supper. 四、词汇运用。 Her mother ______ (clean) the room yesterday. John ______ (go) to the beach last summer. The boy ______ (chat)with his classmates this morning. I ______ (use) a knife to open the door, but failed. He put on his coat and ______(open) the door. The boy ______ (spend)an hour playing computer games last Sunday. Miss Li ______(buy)a kilo of tomatoes last night. His fath