人教版八上Unit 8 Section A Grammar Focus (语法：现在完成时 1).pptx

1、人教新目标版 八年级下 Section A Grammar Focus (语法：现在完成时语法：现在完成时 1) Unit 8 Have you read Treasure Island yet ？ 做做完某事完某事 关于关于 长大长大 把把放下放下 在在第第25页页 至少至少 快快点点 预计预计. 两周之后两周之后 finish doing sth. be about grow up put +代词代词+ down on page 25 at least hurry up be due to in two weeks Amy and Steve are talking about their

2、 book report. Steve _ _ reading a book _ Little Women. It is a book about _ _ _ _. It was really good, so he couldnt _ it _. Amy _ Treasure Island, but she _ _ reading yet. She is only _ page 25. Steve told Amy that she should _ _, because the book report is _ soon. called hasnt finished foursisters

3、 growing up putdownchose has finished on hurry up due Consolidation Have you read Little Women yet? 翻译：翻译：_ 你已经读过小妇人了吗？ pastpresent 现在完成时态现在完成时态 have/has +done do-did-done read-read-read hear-heard-heard 助动词助动词have/has + 过去分词过去分词 Discussion Grammar Focus Have you read Little Women yet? Yes, I have./

4、No, I havent. Has Tina read Treasure Island yet? Yes, she has. She thinks its fantastic. Have you decided which book to write about yet? Yes, I have. Ive already finished reading it. It was really good. 现在完成时：助动词现在完成时：助动词have/has + done 现在完成时由现在完成时由“助动词助动词have / has + 动词的过动词的过 去分词去分词”构成。构成。 现在完成时现在完

5、成时(1) 语法专讲语法专讲 其中，动词过去分词的构成有规则构成和不规其中，动词过去分词的构成有规则构成和不规 则构成两类。规则动词过去分词的构成和其过则构成两类。规则动词过去分词的构成和其过 去式的构成相同，如：去式的构成相同，如：finishfinished； livelived; stopstopped; studystudied等。等。 不规则动词的过去分词需要大家牢记。参见课不规则动词的过去分词需要大家牢记。参见课 本本P136137。 过去分词过去分词done规则变化规则变化 (1)一般动词，在词尾直接加一般动词，在词尾直接加“ ed ”。 work-worked-worked (

6、2)以以“ e ”结尾的动词，只在词尾加结尾的动词，只在词尾加“ d ”。 live-lived-lived (3)以以“辅音字母辅音字母 + y ”结尾的动词，将结尾的动词，将“y” 变为变为 “i”，再加，再加“ ed ”。 study-studied-studied (4)重读闭音节结尾，末尾只有一个辅音字母，重读闭音节结尾，末尾只有一个辅音字母， 先先 双写该辅音字母，再加双写该辅音字母，再加“ ed ”。 drop-dropped-dropped eat- see- read- keep- have- be- leave- make- go- meet- come- write- t

7、ell- buy- find- build- built-builtfound-found told-told came-come went-gone left -left had-had read-read ate-eaten brought-bought wrote-written met-met made-made was/were-been kept-kept saw-seen 过去分词过去分词done不规则不规则变化变化,参见课本参见课本P136137 现在完成时句型结构 结 构 肯定句：主语肯定句：主语 + have/ has + 过去分词过去分词+. 否定句否定句:主语主语+ha

8、vent ( have not) +过去分词过去分词 主语主语+hasnt ( has not ) +过去分词过去分词. 疑问句疑问句:Have / Has+主语主语+过去分词过去分词.? Have you finished your homework? I havent finished my homework. I have finished my homework. 根据括号内的要求完成下列各题。根据括号内的要求完成下列各题。 1. Tom has already finished his homework. (改为否定句改为否定句) Tom hasnt finished his hom

9、ework yet. 2. They have answered my letters. (改为一改为一 般疑问句并作肯定回答般疑问句并作肯定回答) . Have they answered your letters? Yes, they have. 【运用运用】 现在完成时常见标志词 1,already / yet 2,ever / never 3,so far/just / before / up to now / in the past years / three times (次数次数) already一般用于一般用于肯定句肯定句；yet用于用于否定句和疑问句否定句和疑问句。 多用于多

10、用于否定句和疑问句否定句和疑问句中，意为中，意为“曾经曾经”；“从未从未”。 4, for+时间段时间段; since+时间点（时间点（ since +一般过去时一般过去时 态句子）态句子） 例如：例如： for 5 years; since 5 years ago; since 2016;since he left college 1,Tom has already finished his homework. Tom hasnt finished his homework yet. 2, Have you ever eaten fish? I have never eaten fish.

11、3, I have just had my lunch. She hasnt seen you before. 4, She has lived here for 5 years. Shesince 5 years ago. She since 2016 She since she left college. 例句 含有含有already的肯定句变否定句或疑问句时的肯定句变否定句或疑问句时, 要将要将already变为变为yet, 并置于句末。并置于句末。 2012 started learning English 2018 learning 6 years have learned Engl

12、ish I started learning English in 2012. I am learning English these days. I have learned English for 6 years. （一般过去时） （现在进行时） （现在完成时） 注意 现在完成时侧重于强调这一动作对现在产生的结果、现在完成时侧重于强调这一动作对现在产生的结果、 影响等。影响等。 现在完成时和一般过去式有何区别？ I _ _ (lost) my keys, I cant get into my house. have lost 总结，现在完成时强调对现在的影响和结果。一般 过去式只叙述过去发

13、生的事情，不涉及到现在。 1. I saw Spider Man last week. (只说明我上周看过这只说明我上周看过这 个电影，不涉及现在的情况。个电影，不涉及现在的情况。) 2. I have already seen Spider Man. （意思是我了解这（意思是我了解这 个电影。）个电影。） 3. He has lived here since 1992.（他（他1992年以来就住年以来就住 在这里，现在还在这里，他对这里很了解。）在这里，现在还在这里，他对这里很了解。） 4. He lived here in 1992.(1992年他在这里居住，但不年他在这里居住，但不 涉及

14、现在是否还在这里。涉及现在是否还在这里。) 一般过去时只能和过去的某一个时间连用。一般过去时只能和过去的某一个时间连用。 just now, at that time, yesterday, this morning, three years ago，in the past, in + 过去的年份过去的年份, last week, once upon a time等等 现在完成时表示现在的情况，不能和过去的某一时间现在完成时表示现在的情况，不能和过去的某一时间 连用。连用。 1, Tom _ breakfast at 7 oclock. Tom _ breakfast, he is not h

15、ungry now.(had) 2, Old Henry _ The Great Wall in 1998. Old Henry _ The Great Wall twice. He thinks its great and loves it.(visit) 3. Mr.Li _ English at this school 10 years ago. He _ English here for 10 years.(teach) 4. Alice _Chinese when she was 4 years old. 5. Alice _ Chinese since she was 4 year

16、s old .(learn) 5. I _ Japanese food last week. I _ Japanese food. I want to have a try.(eat) 6. Old Henry _ ill three days ago. Old Henry _ ill since Friday. He is still in the hospital.(be) had has had has been visited has visited taught has taught learned has learned ate had eaten was 1. Jim _(mak

17、e) many friends since he _(come) to China two years ago. 2. They _(know) each other for about ten years. 3. He _ already _(write) a letter to Dr.Li for help. 4. When _ she _(leave)? Two hours ago. 5. _ you _(see) the film before? Yes, I _. Where _ you _(see) it? At The Queens Cinema. 6. They usually

18、 _(go) fishing when they lived there. 7. They didnt start to work in the field(田田) until the rain _(stop). has made came have known has written did leave Haveseen have did see went stopped 1. They have _ since the factory opened. A. left the school B. joined the team C. become workers D. worked here

19、 2. Jim _ the Great Wall many times. A. went to B. goes to C. has gone to D. has been to 3. It _ ten years since they _ to France. A. was, moved B. was, have moved C. is, have moved D. is, moved 4. _ to the United States? No, never, but I went to Canada a few years ago. A. Have you been B. Have you

20、gone C. Did you go D. Will you go 5. I wont go to see the film tonight because I _ my ticket. A. didnt lose B. have lost C. will lose D. didnt have 6. Miss Wu has taught in this school _. A. for ten years B. ten years ago C. since ten years D. for ten years ago 7. I _ todays homework already. What a

21、bout you? A. have finished B. finish C. to finish D. finishing 8. Ann has gone to Shanghai. So _ her parents. A. has B. had C. did D. have Use the words in brackets to complete the conversations. 1. A: Would you like something to drink? B: No, thanks. _ (just / drink some tea) 2. A: I heard you lost

22、 your key. _? (find) B: No, not yet. Ive just drunk some tea. Have you found it yet 4a 3. A: Do you know when Tom is leaving? B: _. (already / leave) A: When _? (leave) B: This morning. 4. A: Is your sister going to the movies with us tonight? B: No. _. (already / see the film) 5. A: What do your pa

23、rents think about our plan? B: I _. (not / tell them / yet) He has already left did he leave She has already seen the film havent told them yet Sally _ (love) reading. In the morning she reads the newspaper and in the evening she reads books. She _ already _ (read) more than 100 different books! Her

24、 favorite kind of books is science fiction. She is interested in science and technology and loves to imagine what the world _ (be) like in 50 years. loves has read will be Fill in the blanks with the correct forms of the words in the brackets. 4b She _ (finish) reading a book about robots last week

25、and _ (write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the many books she _ (not read) yet and she cant wait to read them. finished will write hasnt read Complete the chart with information about you and a friend. 4c A: What books have you already read? B: I have already read Tom Sawyer and Harry Potter. A: What do you think of them? B: Well, I think Harry Potter was exciting, but Tom Sawyer was a bit boring. You Your friend comments Books I have already read Movies I have already seen Songs I have already heard