英语人教版八年级下册一师一优 unit10.ppt

1、Unit10 Ive had this bike for three years.,Section B 1 1a - 2d,1、 Review language points of Unit8,Unit9,Unit10 section A 2、Some important phrases 1.be away 2.be around 出现 3.checkout（口）看个明白 3、Do some listening 4、Have a free talk about the hometown,The structure of this lesson,现在完成时,1.过去发生的动作对现在造成的影响或结

2、果。和already，never,ever,just,before,yet等状语连用。,2.过去已经开始，持续到现在的动作或状态， 常与for或since引起的一段时间状语连用。,动词构成：have/has+v过去分词,have breakfast,I have just had my breakfast.,(现在我不饿),Im not hungry now,moved here in 2004,I still live here,I have lived here for three years.,I have lived here since 2004/three years ago.,n

3、ow,past,In unit 8 现在完成时动词构成,助动词,否定,havent hasnt,疑问,Have you? Has he?,常与下列时间状语连用：just , already, yet, ever, never, before, several times,have /has + v 过去分词,eg. I have _ finished my homework. I have finished my homework _. I havent finished my homework _.,just, already, yet, before/ ever, never有此 类副词时

4、,常强调动作完成,不强调动作的持续.,just,already,yet,Ive already had dinner. 2. He has just finished his homework. 3. Mums cooked the dinner. 4. Susans learned English at school.,Have you had dinner yet ?,Has he just finished his homework?,Has mum cooked the dinner?,Has Susan learned English at school?,一 把下列句子改为一般疑问

5、句。,1.,现在完成时：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，或从过去开始一直延续到现在的动作或保存的状态，强调的是现在的情况，不能和表示过去的时间状语连用（如：in 1990，last Sunday 等）。,一般过去时：一般过去时只表示过去的动作或状态，和现在不发生关系（即动作或状态在现在已经结束），它可以和表示过去的时间状语连用。,现在完成时与一般过去时的区别：,have / has + V过去分词,动词填空： 1._ you _(clean) the room? Yes, we _(do) that already. When _ you _(do) it? We _(

6、do) it an hour ago. 2._ he _(see) this film yet? Yes. When _ he _(see) it? He _ it last week. 3. How many times _you _( come) here? Once.,Have,cleaned,have done,did,do,did,Has,seen,did,see,saw,have,come,4. I _ (read) the novel twice. Its interesting. 5. She _ (go) to Pairs, hasnt she? Yes. How _ she

7、 _(go) there? She _(go) there by air. 6. So far, many countries _(develop) their software（软件） programs（项目）. 7.Mr Chen _(give) up smoking last year. 8._ you ever _ (visit) the Great Wall? Never. 9.He _( keep) the book since two days ago.,have read,has gone,did,go,went,have developed,gave,Have,visited

8、,has kept,(1).Have (has)beenin意为“已经在某地呆了多长时间”，常与表示一段时间的状语连用。 Mr.BrownhasbeeninShanghaiforthreedays.布朗先生来上海已经有三天了。 TheyhavebeeninCanadaforfiveyears. 他们到加拿大有五年了。,In unit 9 havebeenin,havebeento与havegoneto 的用法,(2).Have (has)beento 意为“曾经去过某地”，表示现在已经不在那里了。可与 just,ever, never 等连用。 如：Ivejustbeentothepostof

9、fice. 我刚才去邮局了。 HaveyoueverbeentoHangzhou? 你曾经去过杭州吗？ MaryhasneverbeentotheGreatWall. 玛丽从未去过长城。,(3).Have (has)beento后面可接次数， 表示去过某地几次。 如：IvebeentoBeijingthreetimes. 我去过北京三次。 Theyhavebeentothatvillageseveraltimes. 他们去过那个村庄好几次了。 (4).Have (has)goneto意为“到某地去了”，表示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一、二人称代词作主语。

10、如: WhereisTom?汤姆在哪里？ Hehasgonetothebookshop. 他到书店去了。,例如： He has gone to Hong Kong. 他到香港去了。(他已前往香港, 或在途中, 或已到达。说话人暗示他现在不在现场) He has been to Hong Kong. 他曾到过香港。 (说话人认为他过去到过香港, 现在已不在该地。 言外之意他对香港有所了解),( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句,eg.I have been a teacher _ a year. He

11、has been at this school _ 1992. We have learned 1,000 English words _ we came to this school.,for,since,since,A.表示从过去一直持续到现在, 不能是具体 的过去时间。,In unit 10 现在完成时句中常见的时间状语,for其后只能接表示“一段时间”的名词性短 语，可用于多种时态，表示动作或状态持 续时间段长短。 e.g. I have lived in this city for five years. 我在这座城市居住了5年了。 He usually sleeps for twe

12、lve hours every day. 他通常每天睡12个小时。,for与since,since其后接表示“时间点”的短语或从句（过 去时），也可以接“一段时间+ago”，常用于完 成时态；还用于句型：“It is +时间段+since+ 一般过去时的句子”, 表示过去某个时间发生 并持续到说话时的动作或状态。 e.g. It is two years since I came to China. 自从我到中国以来已经两年了。 She has worked here for five years.=She has worked here since five years ago. 她在这儿工

13、作5年了。,选用for和since填空: 1.We havent seen each other _ a long time. 2.His father has been in the factory _ 10 years ago. 3.The film has been on _ 20 minutes. 4.Mr Green has worked here _ he came to China. 5.His grandparents have been dead _ several years. 6. Its five years _ we met last time,for,since,f

14、or,since,for,since,A: How long have you had the ?,B: Ive had it for since,mobilephone, 现在完成时动词可以表示开始于过去持续 到现在(也许还会继续进行下去)的动作或状态。 1) I have studied English since last year. 我从去年开始学习英语。 2) She has lived in Beijing for five years. 她住在北京已经五年了。 注意: come, go , leave, arrive, buy, lose, receive, join, die,

15、 bury 和marry 等动词所表示的动作是 一时的, 不能延续的, 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。,注意: 现在完成时不能和明确指出时间的状语 (如: yesterday, last, year, in 1976, two days ago, just now, when she came in 等)连用， 但可以和不明确指出时间的状语(如: already, yet, ever, never, sometimes, always, often, before, onc

16、e, twice, recently, lately等)连用； 也可以和表示包括现在在内的时间状语(如： today, this morning, this week, this year等)连用。,New lesson,Talk about your hometown.,Where is your hometown? Do you like your hometown? What are some of the special places in your hometown?,Warmimg up,1a Check ( ) the places or things you can find

17、in your town or city.,_ a museum _ a primary school _ a bridge _ a zoo _ a park _ a hill _ a library _ a river,Group work,Some important phrases,1.be away 2.be around 3.checkout,Listen and answer the questions.,1. Does Martin like Jennys hometown? 2. Does Jenny still live in her hometown? 3. What is

18、 behind the science museum? What do people do there on weekends?,1b,Yes, he does.,No, she doesnt.,A big park. People go there to let their kids run around and climb the hills.,Listening,Listen again and fill in the chart about the places in Jennys hometown.,1c,old,for hundreds of years,new,since last August,old,for as long as Jenny can remember,Talk about your town/city with a partner.,A: My city is lovely. B: What are some of the special places there? A: Well, theres a concert hall there. Its been around for at least 20 years.,1d,Group work,Warmimg up,How of