英语人教版八年级下册Units 8-10 The Review of Gram.ppt

1、Present Perfect Tense (现在完成时),Units 8-10 The Review of Grammar,教师：宋艺鑫,现在完成时,现在完成时的主要用法,现在完成时的时间状语,非延续动词与延续性动词转换,现在完成时常见的六种句型,现在完成时中的常用副词,现在完成时的构成+ v. 过去分词，即,2.现在完成时态的含义:,B. 表示在过去的某个时间开始并一直持续到 现在的动作或状态。,A. 表示在过去发生并已经完成的动作对现在 造成的后果及影响.,2. 我在这儿住了两年了。,I have just had my breakfast.,Im not hungry now,I st

2、ill live here,I have lived here for two years. （同义句）,=I have lived here since 2014/two years ago.,now,past,现在完成时,1. 我刚刚吃过早餐。,had breakfast,moved here in 2014,用在现在完成时中的时间状语：,1. in the last/ past (few) years; 2. over the years; 3. so far; up to now; up till now 4. since then; 5. in recent years 6. for

3、+一段时间; 7. since + 过去某个时间点; 段时间+ago; 一般过去时的句子,句型转换 have /has + v 过去分词,助动词,否定,have not =havent has not=hasnt,疑问,Have you? Has he/she?,常与下列副词连用：,just , already, ever, never, recently（句中） yet , before（句尾）,他已经完成作业了。,He has already finished homework.(否、疑) He hasnt finished homework yet. Has he finished ho

4、mework yet?(肯/否答语) Yes, he has. / No, he hasnt. (= Not yet.),练一练,1.have /has been to,侧重指经历,后可接次数，如once，twice，three times等，表示“去过某地几次”也可和 just，never，ever等连用。,2. have/has gone to sp.,意为“某人已经去某地了”，可能在去某地的路上，也可能到达了某地。总之，说话时该人不在现场，常用第三人称代词作句子的主语。,3. have / has been in sp.,常与时间段状语连用.,意为“某人曾经去过某地”,表示“在某地呆了多

5、少时间,现在完成时常见的六种句型,1. 她去法国了。 2. 他去过法国好多次了。 3. 她以前从未去过那。 4. 他在北京呆了半个月了。,She has gone to France. He has been to France many times. She has never been there before. He has been in Beijing for half a month.,4. It is / has been+时间段+ since + 从句 It has been two years since I came to this school. 5.时间段+ has p

6、assed+ since + 从句 Two years has passed since I came to this school. 6. This is the first (second) time that + 从句 This is the second time that I have seen the movie.,译一译,注意：当与一段时间连用时，非延续性 动词要变成延续性的动词。,buy borrow begin/start come finish die join leave get married catch a cold,have keep be on be here b

7、e over be dead be in/ be a member of be away be married have a cold,你能找出错误吗？ 1. How long have you begun to study English? 2. He has caught a cold for a week. 3. The river has become very dirty since last August. 4. My father has got to Beijing since last week. 5. He has gone out for two years.,studi

8、ed,had a cold,been,been in,been,他离开10 分钟了。 2. 她借这本书一星期了。 3. 我祖母去世2 年了。 4. 我父母结婚二十年了。 5. 电影5分钟前就已经开演了。 6. 我的父亲自从1969年就入党了。,He has been away for 10 minutes. She has kept the book for a week. My grandma has been dead for 2 years. My parents have been married for 20 years. The film has been on since 5 m

9、inutes ago. My father has been in the Party since 1969.,译一译,注意: come, go , leave, arrive, buy, die, join, receive,和marry 等动词所表示的 动作是一时的, 不能延续, 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。,1. 我两个月什么都没买。 I havent bought anything for two months. 2. 我三个星期没有收到他的信了。 I havent heard from him for 3 weeks. 3. 自从他妻