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课件网) Unit one Past and present 牛津译林版 八年级下册 Grammar Revision Answer some questions about the conversation between Mr Chen and Millie. Model 1: Has Sunshine Town changed a lot Yes, it has. Model 2: Have Mr Chen and his wife moved out of the town No, they haven’t. Questions: 1. Has the government built a new park 2. Have most of Mr Chen’s old friends moved away 3. Has it become impossible for them to see each other as often as before Yes, it has. Yes, they have. Yes, it has. Free talk 1.When did you have breakfast this morning 2. When did you live here 3. How many times have you been to Hong Kong I had breakfast at 6 o’clock. I have had breakfast. I lived here two years ago. I have lived here for two years. I have been to Hong Kong once. She has had breakfast. 她吃过早饭了。 They have been to Hong Kong once. He has lived here for two years. 他们去过香港一次。 他已经住这两年了。 用法1：现在完成时表动作发生在过去并对现在造成影响。 （她现在不饿） 用法2：现在完成时表动作发生在过去并一直持续到现在，有可能继续持续下去。 用法3：现在完成时表到现在为止某动作发生了多少次。 现在完成时的用法 Lead in 结论：现在完成时的肯定句结构为 _____ I have just eaten it. You have cleaned up the window. She/He/ has visited Beijing three times. It has slept three hours. 1 主语 + have/ has + 过去分词+... 结论：现在完成时的否定句结构为 _____ I have not just eaten it. You have not cleaned up the window. She/He/ has not visited Beijing three times. It has not slept three hours. 2 主语 + have not/ has not+ 过去分词+... —Have you eaten it —No, I haven’t./Yes, I have. —Has she/he visited Beijing three times —No, she/he hasn’t./Yes, she/he has. —Has it slept three hours —Yes, it has./No, it hasn’t 3 结论：现在完成时的一般疑问句结构为 _____ _____ _____ Have/Has+ 主语+过去分词+...？ 肯定回答：Yes, 主语+has/have. 否定回答：No, 主语+hasn’t/haven’t. How long have you lived What has she/he eaten for breakfast What has the government done to part of the town centre Where has she travelled recently 4 结论：现在完成时的特殊疑问句结构为 _____ 特殊疑问词+have/has+主语+过去分词+... already 已经，常用于肯定句中。 since 自……以来，1)since+时间点；2)since+ 时间段+ ago；3)since+ 从句。 yet 已经，常用于否定句，疑问句尾。 for 长达……，for+ 时间段。 recently 最近，常用于肯定句，否定句或疑问句中。 ever 曾经，常用于疑问句。 just 刚刚，用于肯定句中。 5 现在完成时常见状语的用法 1. _____ you _____ (hear) from Sandy recently, Jim 2. Li Ping’s father _____(go) to Paris already. 3. They _____(move) to Beijing since you left here. 4. —_____you _____(finish) your homework yet —No. But I _____(finish) it soon. 5. _____ you _____ (have) your breakfast —Yes. I have. I _____ (have) it at 6: 00. 一、用所给单词的适当形式填空。 Have heard has gone have moved Have finished will finished Have had had 二、句型转换。 1. She has already cleaned the kitchen. (改为否定句) She _____ cleaned the kitchen _____. 2. They have visited some inte ... ...
