人教版八年级英语下册《Unit 9 Have you ever been to an amusement park.（通用）》课件_1

1、I have read the book already. - Are you full now？ - Yes，because I have eaten breakfast. Are you full now？ - No, because I havent eaten breakfast. 现在完成时现在完成时 表示过去发生的某一动作对现在造 成的影响或产生的结果.现在完成时 这一时态强调是过去动作与现在的 联系,也就是强调现在的影响和结果强调现在的影响和结果. . 延续非延续性动词都可用延续非延续性动词都可用 have/has + 过去分词 have /has 可以跟主语缩写可以跟主语缩写

2、：主语：主语 ve/ 主主 语语 s - Are you full now？ - Yes，because I have eaten breakfast。“吃早 餐”这个动作用完成时，强调它对现在的结果是 “饱了” before, by now (so far), once, twice, （次数）（次数） just, recently yet(否否/疑疑), already(肯肯), ever, never, 肯定式肯定式 主语主语+have/has 过去分词过去分词+其他其他 I have studied English. He has studied English. 否定式否定式 : 在

3、have/ has 后加not 主语主语+havent/hasnt 过去分词过去分词+其他其他 I have not studied English. I havent studied English. He has not studied English. He hasnt studied English. have not = havent has not = hasnt 疑问式：把疑问式：把have / has 提前提前: have/has +主语主语+过去分词过去分词+其他其他 回答：回答： Yes, sb. have/has. No, sb. havent/hasnt. Have y

4、ou studied English? Yes, I have. / No, I havent. Has he studied English? Yes, he has./ No,he hasnt. Have they studied English? Yes, they have./ No, they havent. 13 动词过去分词变化规则与过去式变化规则一致 sell _ _ have/has _ _ bring _ _Tell_ _ buy _ _ take _ _ leave_ _ write_ _ do _ _ lend _ _ come_ _ become_ _ say _ _

5、cost_ _ go _ _Feel _ _ eat _ _ read _ _ get_ _ see _ _ hear _ _think _ _ Sleep _ _ fall _ _ Can you say? 1. 她已经来了。 She has already come. 否定:She has not come yet. 疑问:Has she come yet? 肯定回答: Yes, she has. 否定回答: No, she hasnt. 5 2. 我已经把窗户打开了。我已经把窗户打开了。 I have opened the window. 否定否定: I have not (havent

6、) opened the window. 疑问疑问: Have you opened the window? Yes, I have. / No, I havent. 6 1 have breakfast already I have already had breakfast. 2 be a teacher yet I havent been a teacher before. Make sentences 1 She teach English She has taught English. /She s taught English. 2. He learn to swim He has

7、 learned to swim. 3. He never see the film He has never seen the film. 4.He not shop yet. He hasnt shopped yet. Write something you have done or your friend has done this morning. We will find out who will write the most sentences. I have already made my bed. My roommate Xiaoping hasnt swept the flo

8、or yet. 1. I _(have) lunch already 2. Has the train_ (arrive), yet? 3.Tome _ never_ (be to ) China. 4. The twin _just _(see) my father. 5. The twins _(see) my father just now. 6. We _(call) you three times. have had arrived has been to hasseen saw have called 句型转换。 1.I bought a book yesterday.(转为完成时

9、) I _ _ a book already. 2.I know your name. I _ your name just now. I _ _ your name already. 3.Have you decided yet? (否定回答/转为第三人称) _ ,_ _. _ she _ _? 4.Mary has had a pet dog already. (否定句及一般 疑问句) Mary _ _ a pet dog _. _ Mary _ a pet dog _? have bought knew have known No I have Has decided yet hasnt

10、 had yet Has had yet 用法二用法二： for+段时间段时间 since+点时间点时间 since+一般过去时句子一般过去时句子 E.g. Kate has lived here for 3 years. Kate has lived here since 3 years ago. Kate has lived here since 2013. Kate has lived here since she came to China. 表示过去某个时间开始的动作或表示过去某个时间开始的动作或 存在的状态，一直持续到现在并存在的状态，一直持续到现在并 可能还将持续下去。可能还将持

11、续下去。动词使用延动词使用延 续性动词。常与续性动词。常与forfor或或sincesince引导引导 的时间连用的时间连用 注意:有些动词是 非延续性的，在此用法中要换 成其相对应的延续性词。 die be dead become- be finish/endbe over get upbe up wake/wake up be awake begin/startbe on leavebe away(from) come/go/arrivebe in/at lose be missing/gone openbe open closebe closed joinbe a member of b

12、orrowkeep 我买这本书三年了。我买这本书三年了。 I have had this book for three years. 他已经借了这本书三个月。他已经借了这本书三个月。 He has already kept the bike for two moths. 他们已经离开很长一段时间了。他们已经离开很长一段时间了。 They have been away for a long time. 我已经做一名老师三年了。我已经做一名老师三年了。 I have been a teacher for three years. His father has died. (for 2 years)

13、 The football match has begun.(since9:00a.m) The twins have died. (since they are 18years old) My teacher has just left Nanjing. (for 3 days) His father has been dead for 2 years. The football match has been on since 9:00 a.m. The twins have been dead since they were 18years old. My teacher has been

14、 away from Nanjing for 3 days have/has gone to:已经去了或在途中，还没 有返回； have/has been to:曾今去过某地，现在已经 回来了,后面可接表示“次数”的状语; have/has been in:表示某人“已在某地停留 一段时间，现仍在那里”，其后常带表示 一段时间的状语。 一看时间状语一看时间状语。如果句中没有表示过去确切。如果句中没有表示过去确切 时间的状语，常用现在完成时；如果有，则只能时间的状语，常用现在完成时；如果有，则只能 用一般过去时。如：用一般过去时。如： I have visited the factory. I

15、visited the factory last year. 二看句首有无疑问词。二看句首有无疑问词。如果笼统地问人家做如果笼统地问人家做 过某事了吗（句首无疑问词），常用过某事了吗（句首无疑问词），常用现在完成时现在完成时； 但进一步询问何时、何地、何原因、用什么方式但进一步询问何时、何地、何原因、用什么方式 做那事时（句首有疑问词）就要用做那事时（句首有疑问词）就要用一般过去时一般过去时。 如：如： Have you had your breakfast? Yes, I have. When did you have it? At seven thirty. 三看句中谓语动词是否为延续性动

16、词三看句中谓语动词是否为延续性动词。如果表示的动。如果表示的动 作或状态一直延续到现在，最好选用延续性动词，并使用作或状态一直延续到现在，最好选用延续性动词，并使用 现在完成时；如果是瞬间动词，则用一般过去时。如：现在完成时；如果是瞬间动词，则用一般过去时。如： He has been a league member for two months. He joined the Youth League two months ago. 注意：注意： 这种用法是以连贯性问答为背景的。否则就需这种用法是以连贯性问答为背景的。否则就需 要具体情况具体分析。如：要具体情况具体分析。如： How many

17、 words have you learned by heart? How did you learn them by heart? Tom 在哪儿？ 他去书店买书了。 我在北京待了5年了。 Jack 去过上海两次了 -Where is Tom? -He has gone to the bookshop to buy some books. I have been in Beijing for 5 years. Jack has been to Shanghai twice. Correcting 1. I have borrowed the book for 3 months. 3. Jac

18、k and Tom have lived here since 5years. 3. The film has been on since I have come to the cinema. 4. When has Mr. Li caught a bad cold? have kept since 5 years ago/ for 5 years came didcatch . 6. Jim has gone to Beijing for 2 years. 8.What time have the factory opened? 9.I have gone to Chunhua Middle

19、 School twice has been in did open been to 练一练练一练 用所给词的正确形式填空用所给词的正确形式填空 1. The room is cold。Who_ （open）the window？ 2.He_（go）to the cinema。 3. _you_（put）away my dictionary? 4. We_ (not finish) the work yet. 5. I_(see) the play. I _(see) it last month with my sister. 6. I am not hungry.I _just_(have)

20、 my dinner. has opened has gone Have put havent finished have seensaw have had 注注: 现在完成时不能和表示过去的时间状语不能和表示过去的时间状语，如 yesterday, last year, in 1980, three days ago, just now, when I came in等连用连用 I am an American boy I came to China two years ago. I_(study) here for two years. My father often_(take) me_

21、(play) football on the playground. Last week I was taken to the park by him. We saw a lot of monkeys (jump) in the tree. I heard a voice from behind When I (walk ) along the river. I thought myself. “It must_ (be) Mr. Brown. He _(take) photos.” We_(enjoy) that day. We_(go) back to America next week.

22、 have studied takesto play waked jump be is taking enjoyedwill go 1.So far ,we _ 200 English words . A. have copyed B.have copied C.copyed D.copied 2. -Wheres your father ? -Hes_ Beijing. A. been to B. gone to C. gone in D. been in 3. A number of the students _ the film yesterday . A. see B. saw C.

23、seen D.have seen B B B 4. How long _ he _ in this factory ? A. has, come B. have, come C. has, been D. have,been 5. Hes never been to China, _ ? A. has he B. hasnt he C. isnt he D. is he 6. My grandma _ in this village for ten years ,she _ there in 1994. A. has lived,has moved B. has lived, moved C. lived, has moved D. lived, moved C A B 7. How long has the girls mother _? A. died B. dead C. be