Module 1 Unit 1 Grammar 现在完成时 课件 2022-2023学年牛津译林版英语八年级下册

现在完成时 Unit1 Grammar 现在完 成时 2.定义:1&2&3 1.基本构成 5.时间标志词:区分for&since 7.现完PK一过 4.过去分词的构成:规则&不规则 3.句型:肯定句&否定句&疑问句 6.have/has been to/in have/have gone to I _ (see) the film last year. I _ (see) the film ten times. I don’t want _ (see) the film now. saw have seen to see 一. 构成 : have / has + 动词过去分词 二.意义 1)过去开始一直延续到现在的动作或状态。 She has lived here since she was born. I have taught English for 18 years. You have studied in this school since 2014. 注意: 动词必须为延续性动词。 2)发生在过去,对现在有影响的动作。 I have lost my key, so I can’t get into my house. Who has cleaned the window? It’s really clean. The bus has left, you must wait for the next one. I have seen the film. I won’t see it tonight. 3)到目前为止,事情发生的次数。 I have already read this book many times. My uncle has been to France twice. How many times have you been to Beijing? 肯定句句型 主语 (I/They/We/You) +have (第三人称复数) +have + 动词过去分词 (He/She/It) +has We have finished our homework. I have finished my homework. He has finished his homework. I / They/ We / You have +not+过去分词 He / She / It has 缩写形式 has not = hasn’t have not = haven’t 否定句句型 主语+have/has+not+动词过去分词+…… I have not seen the movie yet. He hasn’t been to Beijing since then e.g. Mr Chen _ to any other city yet. ( not move) The snow _ yet. ( not melt融化) hasn’t moved hasn’t melted (3)一般疑问句及回答 -Have+I/you/we/they+p.p(过去分词)+其它? -Yes, I/you/we/they have. -No, I/you/we/they haven’t. -Has +she/he/it+p.p(过去分词) +其它? -Yes, she/he/it has. -No, she/he/it hasn’t. e.g. 1. -_ you ever_ Xiao Caiqi before? (meet) 2.-_ she _very popular recently?(become) Have met -No, I haven’t. Has become -Yes, She has. 三、现完句式总结 I have seen the film ten times. 陈述句 肯定句 否定句 I haven’t seen the film ten times. 疑问句 一般疑问句 特殊疑问句 Have you seen the film ten times? Yes, I have./No, I haven’t. Who have seen the film ten times? 对主语进行提问:who+照抄 What have you seen ten times? 对非主语进行提问:特殊疑问词+一疑 Ⅱ. 根据各题后括号内的要求完成下列各题。 1. Linda has washed her car. (改为否定句) _ 2. They have bought that kind of book in the store. (改为一般疑问句并作简略回答) _ _ _ Linda hasn’t washed her c