初中英语人教版八年级下册现在完成时复习.ppt

1、,Welcome !,A Self - Introduction My name is Jianping Yang. Jenny is my English name. I was born in 1962 in Jianshui. I am an English teacher. I am an ordinary-looking woman of medium height. In my opinion, I am hard-working.,(basic information),A Self - Introduction My name is Li Yinju . I am an Eng

2、lish teacher. I work in No.3 Middle School. I like teaching. I began to work in 2000. I will teach more students in the future. Now I am very glad to have a class with you. Are you ready?,What is a tense?,Questions Answers,The Present Perfect Tense,现在完成时,1.表示过去发生或已完成的动作对现在造成的影响或结果,功能：,Mother: John,

3、clean your teeth， please. John: Mum, I have already(已经) cleaned them.,Role Play,His teeth are clean now.,2.表示过去已经开始并一直持续到现在的 动作或状态。,How long have you studied English?,I have studied English for two years.,When did you start studying English?,In 2012.,1.现在完成时的概念,1）表示过去发生或已完成的动作对现在造成的影响或结果； 2） 表示过去已经开

4、始并一直持续到现在的动作或状态。 E.g. He has learned English since 2001.,past,now,future,现在完成时,一般过去式,一般现在时,一般将来时,2.现在完成时的结构,现在完成时的构成： Have/has + done,助动词,过去分词,have:第一、二/ 复数 has: 第三人称单数,规则动词：直，只，变，双 不规则动词：AAA,AAB,ABB，ABA，ABC,规则动词,(1)一般动词，在词尾直接加“ ed ”。 work-worked-worked ,visit-visited-visited,(2)以“ e ”结尾的动词，只在词尾加“ d

5、 ”。 live-lived-lived，move-moved-moved,(3)以“辅音字母 + y ”结尾的动词，将 “y” 变为 “i” ， 再加“ ed ”。 study-studied-studied ,cry-cried-cried,(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ ed ”。 stop-stopped-stopped , drop-dropped-dropped,不规则动词,AAA型 cost cost cost ；cut cut cut AAB型 beat beat beaten ABA型 run ran run； come came com

6、e become became become ABB型 buy bought bought； build built built ABC型 write wrote written； see saw seen,现在完成时的句式,eg. He has cleaned the room .,They have cleaned the room.,1.肯定句 现在完成时的肯定句式是“have（has）过去分词”。,现在完成时的句式,eg. He hasnt cleaned the room .,They havent cleaned the room.,2.否定句： 现在完成时的否定句式是“haven

7、t/hasnt过去分词”。,现在完成时的句式,eg. Has he cleaned the room ?,Have they cleaned the room?,3.疑问句 现在完成时的一般疑问句式是把助动词have或has提到主语之前。 (回答用“Yes，-have/has“No，-havent/hasnt” ）,Exercises,1. Jim has done his homework.,否定句： 一般疑问句： 回答：,He hasnt done his homework.,Has he done his homework?,Yes, he has.,No, he hasnt.,Thin

8、king,?,What are the key words for the Present Perfect Tense?,A: _ your brother _his homework yet? (finish) B: Yes, he s already done it.,Key words,Has,yet,already,注意：already 用于肯定句， yet 用于疑问句和否定句中,finished,A: _ you ever _ to the park? ( be ) B: No, never.,Key words,Have,yet,ever,never,注意： ever 曾经 用于疑

9、问句中 never 从不 带有否定意义,already,been,I _ just _ the desk, you can take it to your classroom . (mend ),Key words,have mended,yet,ever,never,just,already,Just 刚刚 与现在完成时连用 一般置句中 Just now 刚才 与一般过去时连用,We _ only _ 100 trees so far. (plant),Key words,have,yet,ever,never,just,already,so far,到目前为止,planted,Key wo

10、rds,yet,ever,never,just,already,so far,twice,两次，也可以是其他表示次数的词,My parents (visit) that city twice.,have visited,Tom _ in the factory since he left school ten years ago. (work ),Key words,has worked,yet,ever,never,since,already,since,just,1. 后接过去的时间。since 1994, since last year,2. 后接从句（一般过去时）,3.后和ago搭配，

11、since 2 years ago,twice,so far,A: How long _ you _ in this school? (teach ) B: For 6 years.,Key words,have taught,yet,ever,never,since,for,already,+ 一段时间,just,twice,so far,一、用for和since填空。,_three hours _three oclock _two days _yesterday afternoon _I came here _last Sunday,_a week _a long time _1997 _

12、two weeks _three years ago _ last month,for,since,for,since,since,since,for,for,since,for,since,since,Exercises,I (see) him just now. 2.I (not see) him for a long time. 3. He (live) here since he was ten years old. 4. He (live) here in 1998. 5. - you your breakfast? -Yes,I have. -When you it? -Thirt

13、y minutes ago. (eat),saw,havent seen,has lived,lived,Have eaten,did eat,6 . Do you know the movie Lost in Thailand? Yes. I _ it twice. Its funny. A. saw B. see C. have seen D. will see,7. Lunch? No, thanks. I_. A. will eat B. am eating C. have eaten,8. Where is Tom? We cant find him anywhere. Perhap

14、s he _ home. A. has gone B. is going C. went D. was going,9. Sanya is a beautiful city. I there twice. A. have gone B. have been C. have gone to D. have been to,Can you distinguish?,去过某地已经回来 常与ever, never, once, twice,连用,一直留在某地 与for / since连用 用how long 提问,去了某地 还没回来,Her sister _ Australia, She left t

15、his morning.,has gone to,Can you distinguish?,去过某地已经回来 常与ever, never, once, twice,连用,一直留在某地 与for / since连用 用how long 提问,去了某地 还没回来,A: How long _ you _ China? B: I _ here for 3 years.,have been,have been in,Can you distinguish?,去过某地，已经回来 常与ever, never, once, twice,连用,一直留在某地 与for / since连用 用how long 提问

16、,去了某地 还没回来,A: _ you ever _ the city ? B: No , never .,Have been to,1.His dog has died for 2 years. 2.He has left Beijing for 3 days. 3.I have bought the bike since 2 years ago.,True OR False?,( F ),( F ),( F ),His dog has been dead for 2 years.,He has been away for 3 days .,I have had the bike since

17、 2 years ago .,实义动词分为: 1) 瞬间动词 (强调动作) 2)延续动词 (强调状态),瞬间动词,注意: 瞬间动词不能和时间段连用.,初中阶段常见的瞬间动词转换为延续性动词,borrow keep buy havecome to be in（at） come back be backbegin/start be on join be in/be a member ofdie be dead become beleave be away get to know know finish be over fall asleep be asleep,Prize for the winn

18、ers!,Please point out any mistakes and correct,She has bought the computer for two years.,had,Please point out any mistakes and correct,How long have you come to the United States？,been in,Please point out any mistakes and correct,Ann has gone to China since three months ago.,been in,Please point ou

19、t any mistakes and correct,My brother has joined the army for five years.,been in,been a soldier,Please point out any mistakes and correct,I have left Shanghai for 3 days.,been away for 3 days.,Please point out any mistakes and correct,I have borrowed the dictionary since 3 days ago .,kept,Please point out any mistakes and correct,The film has begun for 10 minutes.,been on,Pl