Unit 8 Have you read Treasure Island yet Section A-2 课件.ppt
- 【下载声明】
1. 本站全部试题类文档,若标题没写含答案,则无答案;标题注明含答案的文档,主观题也可能无答案。请谨慎下单,一旦售出,不予退换。
2. 本站全部PPT文档均不含视频和音频,PPT中出现的音频或视频标识(或文字)仅表示流程,实际无音频或视频文件。请谨慎下单,一旦售出,不予退换。
3. 本页资料《Unit 8 Have you read Treasure Island yet Section A-2 课件.ppt》由用户(alice)主动上传,其收益全归该用户。163文库仅提供信息存储空间,仅对该用户上传内容的表现方式做保护处理,对上传内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知163文库(点击联系客服),我们立即给予删除!
4. 请根据预览情况,自愿下载本文。本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
5. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007及以上版本和PDF阅读器,压缩文件请下载最新的WinRAR软件解压。
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Unit8HaveyoureadTreasureIslandyetSectionA 课件 下载 _八年级下册_人教版(2024)_英语_初中
- 资源描述:
-
1、Unit 8Have you read Treasure Island yet?,Section A Grammar Focus,现在完成时态present perfect,Grammar Focus,现在完成时: 表示过去发生或已经完成的某一动作对现在造成的影响或结果,或从过去开始一直延续到现在的动作或保存的状态。,结构: 主语+ have / has + 动词的过去分词,一般疑问句: have / has ? Yes, I have. No, I havent. Yes, she has. No, she hasnt.,1. 现在完成时动词构成have /has + v 过去分词,助动词,
2、否定,haventhasnt,疑问,Have you?Has he?,常与下列时间状语连用:just , already, yet,ever, never, before, several times,现在完成时,1.过去发生的动作对现在造成的影响或结果。和already,never,ever,just,before,yet等状语连用。,2.过去已经开始,持续到现在的动作或状态,常与for或since引起的一段时间状语连用。,动词构成:have/has+v过去分词,have breakfast,I have just had my breakfast.,(现在我不饿),Im not hungr
3、y now,moved herein 2004,I still live here,I have lived here for three years.,I have lived here since 2004/three years ago.,now,past,2. 现在完成时动词可以表示开始于过去持续 到现在(也许还会继续进行下去)的动作或状态。1) I have studied English since last year. 我从去年开始学习英语。2) She has lived in Beijing for five years. 她住在北京已经五年了。注意: come, go ,
4、leave, arrive, buy, lose, receive, join, die, bury 和marry 等动词所表示的动作是一时的, 不能延续的, 故不能与for , since 等开头的表示一段时间的状语连用。不过, 这些词用于否定句则可以与表示持续的时间状语连用,即动作的不发生是可以持续的。,不能说: *He has come to Beijing for two years. *He has bought that book for three weeks. *He has joined the Army for one and a half years.*His grand
5、ma has died for nine months.* I have received his letter for a month.可以说:He has been in Beijing for two years. He has had that book for three weeks. He has been in the army for one and a half years. His grandma has been dead for nine months.I havent received his letter for almost a month.0,或者说:It is
6、 two years since he came to Beijing. It is three weeks since he bought that book.It is one and a half years since he joined the Army. It is nine months since his grandma died.,3. 现在完成时把过去的动作和现在的结果联系起来, 一般过去时只限于表示过去的动作本身, 与现在 的结果无关。现在完成时与一般过去时在意义上 的区别举例如下: I have cleaned my room. (My room is clean no
7、w.) 我已经打扫过我的房间了。 I cleaned my room last week. (I did it in the past.) 我上周打扫了我的房间。 Father has gone to Amoy. (He went to Amoy and he is not here now.) 爸爸已经去厦门了。 They have bought a dictionary. (They bought a dictionary and they have it now.) 他们买了一本字典。,注意: 现在完成时不能和明确指出时间的状语(如: yesterday, last, year, in
8、1976, two days ago, just now, when she came in 等)连用,但可以和不明确指出时间的状语(如: already, yet, ever, never, sometimes, always, often, before, once, twice, recently, lately等)连用;也可以和表示包括现在在内的时间状语(如:today, this morning, this week, this year等)连用。,( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句,eg
9、.I have been a teacher _ a year. He has been at this school _ 1992. We have learned 1,000 English words _ we came to this school.,for,since,since,现在完成时句中常见的时间状语A.表示从过去一直持续到现在, 不能是具体 的过去时间。,ever,just,already,yet,e.g. Have you _been to Japan? I have _ finished my homework. I have finished my homework
10、_. I havent finished my homework _.,B. just, already, yet, before/ ever, never有此类副词时,常强调动作完成,不强调动作的持续.,already “已经” ; yet “仍然, 还” 这两个副词常常用于完成时态, 其中already 常用于肯定句, yet常用于否定句和疑问句中。如: Jim has already finished his work. Jim已经把他的工作做完了。Mother hasnt come home yet. 妈妈还没回来。Havent you read The Call of the Wil
展开阅读全文
链接地址:https://www.163wenku.com/p-1489.html