人教版八下-Unit 10 I 've had this bike for three years.-Section A Grammar focus 4a—4c-ppt课件-(含教案+视频)-市级优课-(编号：905eb).zip

1、巧学现在完成时人民教育出版社 英语 八年级下册 复习 现在完成时现在完成时基本用法基本用法 执教老师：黄麓初中蒯刘平执教老师：黄麓初中蒯刘平 巧学现在完成时人民教育出版社 英语 八年级下册 复习 用法 1.表示过去发生的动作对现在造成的影响和结果 2.表示从过去某一时刻一直持续到现在的动作或状 态。 结构 have/has+pp (过去分词； have/has要根据主 语作人称和数的变化) 标志词 常与alreadyeverneverjustsincefor 等标 志词连用。 学 目 习 标 巧学现在完成时人民教育出版社 英语 八年级下册 复习 表示过过去发发生的 动动作对现对现 在造成 的影

2、响和结结果 表示过过去发发生的 动动作对现对现 在造成 的和。 表示从过过去某一时时 刻开始一直持续续到 现现在的动动作或状 态态。 表示从过过去某一时时 刻开始一直持续续到 现现在的或 。 挑挑战战记记忆忆 巧学现在完成时人民教育出版社 英语 八年级下册 复习 have/has动词动词 的过过去分词词 have/动词动词 的分词词 常与already, yet, just, ever, never 等 副词连词连 用。 常与already,_, just, _, never 等 副词连词连 用。 挑挑战战记记忆忆 He is full . 1.表示过去发生的动作对现在造成的影响和结果。 He

3、 has had a big breakfast. L Looook k a an nd d t th hi in nk k What has happened to him ? He has just lost his job. What has happened to her ? She has just got a good job. L Looook k a an nd d t th hi in nk k lost a job get a job We have studied in our school for three years. 2.过去某一时间点发生的动作持续到现在或还将持

4、续下去。 L Looook k a an nd d t th hi in nk k Peter has played tennis since last year. Mary has lived in Hawaii for about 7 years. L Looook k a an nd d t th hi in nk k 巧学现在完成时人民教育出版社 英语 八年级下册 复习 What are the key words for the Present Perfect Tense? A: _ your brother _ his homework yet? (finish) B: Yes,

5、he s already done it. Has finished yet already 注意： yet 用于疑问句和否定句中, already 用于肯定句。 Key words 标志 词语 A: _ you ever _ to the park? ( be ) B: No, never. Have been never 注意： ever 曾经 用于疑问句中; never 从不 带有否定意义 ever Key words 标志 词语 I _ just _ the desk, you can take it to your classroom . (repair ) have repaire

6、d just Just 刚刚 与现在完成时连用 一般置句中 Key words 标志 词语 Just now 刚才 与一般过去时连用 since Tom _ in the factory since he left school ten years ago. (work ) has worked since 后面带过去时间点或一般过去时的句 子 Key words 标志 词语 A: How long _ you _ in this school? (teach ) B: For 20 years. have taught for + 一段时间 twice I _ (be) to Qingdao

7、 twice.have been Key words 标志 词语 We _ each other since childhood .(know) We _each other when we were young .(know) have known knew 一般过过去时时现现在完成时时 V VS S I _ him just now . (see) I _ just _ my pen. (lose) saw have lost A: When_ you _ the film ? B: I _ it two weeks ago. (see) He_ several story-books s

8、ince 5 years ago. (write) has written saw seedid 一般过过去时时现现在完成时时 V VS S 一般过过去时时现现在完成时时 V VS S How long _ you _ in the United states ? (live) When _ you _ here ? (move) havelived did move He has already bought the book. He has bought the book for a week. He has had the book for a week. come tohave/has

9、 been in buyhave/has had go tohave/has been in got tohave/has been in join have/has been in leave have/has been away borrow have/has kept begin have/has been on finish have/has been over die have/has been dead She has bought the computer for two years. had 小 试试 牛 刀She has had the computer for two ye

10、ars. How long have you come to the United States ？ been in 小 试试 牛 刀 How long have you been in the United States? Ann has gone to China since three months ago. been in 小 试试 牛 刀 Ann has been in China since three months ago. 小 试试 牛 刀 I have borrowed the dictionary since 3 days ago . kept I have kept th

11、e dictionary since 3 days ago. The concert has finished for half an hour. been over 小 试试 牛 刀 The concert has been over for half an hour. His dog has died for two years . been dead 小 试试 牛 刀 His dog has been dead for two years. 1. May I speak to Mr. Smith? Sorry, he isnt in. He _Changsha. A. has been

12、to B. has gone to C. went to (2016湖南怀化) 2.Yunnan is very beautiful. I _ there last year. Yes, I _ there twice. A. went; have gone B. went; have been C. have gone; went D. have been; went (2016 四川广安) 备战中考 3. He _ the city since he graduated (毕业) from college. A. has left B .left C. has been away from

13、 (2016黑龙江齐齐哈尔 ) 4. Please look at these stamps. I _ them for five years. Wow, they are fantastic! A. have kept B. have bought C. borrowed D. kept (2016四川达州) 5. My sister _ English since she was 9 years old. She can talk to foreigners freely. A. learns B. learnt C. has learnt D. have learnt (2016 广西贺

14、州) 备战中考 过去式和过去分词的变化相同 规则变化： 1. 一般在动词词尾直接加ed。如： pick picked picked; wish wished wished; stay stayed stayed 2. 以不发音的e结尾的动词后面加d。如： like liked liked; hope hoped hoped; phone phoned phoned 奇 拾起我的希望，留住梦想的雨水拾起我的希望，留住梦想的雨水 思 希望有一部我喜希望有一部我喜欢欢的手机的手机 3. 以“辅音字母 + y”结尾的动词，变y为i，再加-ed 。如： study studied studied; hu

15、rry hurried hurried; reply replied replied 4. 词尾只有一个辅音字母的重读闭音节动词，要双 写辅音字母，再加-ed。如：stop stopped stopped; regret regretted regretted 妙 想 赶快努力学赶快努力学习习，上，上课抢课抢 答答问题问题 停止后悔哦停止后悔哦 1.温故而知新，复习课堂笔记。 2.造三个现在完成时和一般过去时的句子。 3.熟背不规则动词过去式和过去分词。 不规则变化： 5. 以不变应万变。如： let let let; put put put; read read read 6. 若中间有双写

16、e，则去掉一个e，单词 末尾再加t。如： feel felt felt; keep kept kept; sleep slept slept 7. 结尾的字母d变t。如： lend lent lent; build built built; send sent sent 8. 变为以-ought或-aught结尾。如： buy bought bought; bring brought brought; catch caught caught; teach taught taught 1 Revise the present perfect tense Teaching Aims and Dem

17、ands 1 Knowledge Objects A. Revise the present perfect tense and the key words. B. Target Language 1).He has had a big breakfast. 2). What has happened to him/her? 3). He has just lost his job. She has just got a good job. 4). We have studied in our school for two years. 5). Peter has played tennis

18、since last year. 2 Ability Objects 能把现在完成时运用到具体问题中。 3 Moral Object: Nothing is impossible if we work hard. . Teaching Key Points 重点：1. 熟练现在完成时的用法。 2. 区分一般过去时与现在完成时。 . Teaching Difficult Points 能具体分析现在完成时。 IV. Teaching Methods 1 Teaching by giving sample sentences 2 Teaching by showing pictures V. Le

19、arning strategies Using what you know, Inferring content 教学过程：教学过程： Step 1 Warm up 2 Show the teaching aims to the students before the class. Greet the class. Invite students to answer the questions on the screen. Lead to revise the present perfect tense. Step 2 Look and think Revise the function an

20、d the structure of the present perfect tense. 功能： 1. 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。 e.g. He has had a big breakfast. (现在他不饿了。) 时间状语：already, yet, just, ever, never, before 2. 表示动作或状态从过去某一时刻开始，一直延续到现在，而且可能还要继续 下去。 e.g. He has learned English for six years. already 和 yet 都可以作为现在完成时的标志词，但它们的用法不同。 already

21、 一般用于肯定句中。yet 一般用于疑问句和否定句中。 结构： 助动词 have / has+ 动词的过去分词，规则动词的过去分词构成与过去式相 同，不规则动词的过去分词则需逐个记忆。 规则变化： 不规则变化： 3 句式： 1. 肯定句：主语 + have / has + 过去分词 (+ 其他) 2. 否定句：主语 + have / has + not + 过去分词(+ 其他) 3. 一般疑问句：have/ has + 主语 + 过去分词(+ 其他) 4. 特殊疑问句：疑问词+ have/has + Step 3 Find out the key words. What are the key

22、 words for the Present Perfect Tense? Give students examples and ask them to point out the key words. Explain the use of each key word. Step 4 Compare the past tense with the present perfect tense. Have students fill in the blanks with the correct forms of verbs. According to the key words, help stu

23、dents find out the differences. Step 5 Revise the usage of “for” or “since”. Give students two minutes to be ready, then show them questions. Have them correct each sentence and give the reason. 4 Step 6 Preparing for the entrance exam Have students finish the Mid-term exam, try to give the correct answers. Step 7 Unusual but wonderful thinking Help students to remember the rules of the past participle. Step 8 Summary Step 9 Homework: Step 10 Teaching reflection: