Unit 9---Unit10复习课件2022-2023学年人教版英语八年级下册

Unit 9 Have you ever been to a museum? 1 目录 CONTENTS Grammar 01 Key structures and usages 03 Words and Phrases 02 Sentences 04 05 Writing 06 Exercises 2 01 Grammar 现在完成时二 3 现在完成时 现在完成时的用法： 1) 表示过去发生的或已经完成的某一动作对现在造成的影 响或结果。 2) 表示动作或状态在过去已经开始，持续到现在，也许还要持续下去，常和for+时间段，since+时间点连用，表示持续的动作或状态，多为延续性动词。 e.g. We have lived here since 2000. 自从2000年我们一直住在这里。 （说明一直住在这里，也许还会住下去。） buy have leave be away 一段时间的表达方法: (1) for: +一段时间 e.g. for a year; for two weeks 1. since+时间点 e.g. since 9 o’clock 2. since+ 时间段+ago e.g. since two years ago 3. since+ 从句 (从句一般用 一般过去) e.g. since you came; since you got home. I have been in Beijing for two years. She has been a teacher since two years ago. (2) since 7 考一考！ since since for 　　1) We have learned five lessons __________ the beginning of this term. 　　2) Mrs. Liao has been in hospital ______last week. 　　3) I have stayed at my aunt’s _____two weeks. 用 since或 for 1. 表示短暂意义的动词，如：come, go, start, begin, leave, buy, die等， 其现在完成时的肯定式不能和表示一段时间的状语连 用，需要时要用相应的表示延续状态的动词替换。 I have had this coat for one year. 试比较： I have bought this coat for one year. × √ 重点（一） I’ve left this school for eight years. × I’ve been away from this school for eight years. √ 请判断下列句子正误。 I have already bought the book. I have bought the book yesterday. I have bought the book for two days. I have had the book since two years ago. I haven’t bought the book for three days. I have bought the book three days ago. I have had the book for three days. √ √ √ √ I haven’t gone to see him for several months. 我已经好几个月没去看他了。 2 . 非延续性动词转化为延续性动词的方法： 1）直接转化成延续性动词 重点（一） 在否定句中非延续性动词可与一段时间连用。 buy catch (get) a cold borrow come/go /become have keep have a cold be 2) 转换成be+名词 join the army join the Party go to school be a sol