八年級下冊英語unit9 section a 4a-4c課件

1、section agrammar focus 4c1. 我去過北京兩次。我去過北京兩次。 i _ _ _ beijing twice.2. 旅客已經(jīng)上船了嗎？旅客已經(jīng)上船了嗎？ _ the passengers _ on board yet?3. 這個故事如何結(jié)束？這個故事如何結(jié)束？ how did the story _ _?have been tohavecomplete the sentences. end upgone4. 昨天他沒有去那兒，我也沒去。昨天他沒有去那兒，我也沒去。 he didnt go there yesterday. _ _. 5. 你聽說過太空站嗎？你聽說過太空站

2、嗎？ have you ever _ _ the space station? me neitherheard of/about have you ever been to a science museum? yes, ive been to a science museum./ no, ive never been to a science museum. have you ever visited the space museum? yes, i have. i went there last year./ no, i havent.ive been to the art museum m

3、any times. me, too. and ive also visited the nature museum. ive never been to a water park. me neither.肯定式肯定式否定式否定式i/you/we/they have finished the work.he/she/it has finished the work.i/you/we/they have not finished the work.he/she/it has not finished the work.構(gòu)成：構(gòu)成：have(助動詞助動詞) + p.p has(第三人稱單數(shù)助動詞第

4、三人稱單數(shù)助動詞) + p.p 疑問式疑問式回答回答have i/you finished the work?has he/she finished the work?yes, you/i have.no, you/i havent.yes, he/she has.no, he/she hasnt.have not ?？s略為?？s略為 havent。has not ?？s略為?？s略為 hasnt。have you had your lunch yet?yes, i have. i have just had it. (現(xiàn)在我現(xiàn)在我不餓了不餓了)表示過去發(fā)生或已表示過去發(fā)生或已經(jīng)完成的動作對現(xiàn)經(jīng)完成

5、的動作對現(xiàn)在造成的影響或結(jié)在造成的影響或結(jié)果。果。i have already taught him some english.john has never been to the space museum.my boy has just started junior high school.現(xiàn)在完成時現(xiàn)在完成時常常與時間副詞與時間副詞already, never, ever, just, before, yet等連等連用。用。ever 意為意為“曾經(jīng)曾經(jīng)”，用于疑問句或否，用于疑問句或否定句中，放在助動詞與過去分詞之間。定句中，放在助動詞與過去分詞之間。e.g. have you ever

6、been to hong kong?你曾去過香港嗎？你曾去過香港嗎？ i havent ever spoken to her. 我未曾和她說過話。我未曾和她說過話。 never意為意為“從來沒有從來沒有”常與常與before連連用，多放在助動詞與過去分詞之間。用，多放在助動詞與過去分詞之間。 e.g. i have never travelled by plane before. 我以前從來沒有乘飛機旅行過。我以前從來沒有乘飛機旅行過。 比較：比較：he has been to beijing. 他曾去過北京。他曾去過北京。 （人已回來，可能在這兒）（人已回來，可能在這兒） he has go

7、ne to beijing. 他已經(jīng)去北京了。他已經(jīng)去北京了。 （人已走，不在這兒）（人已走，不在這兒）have / has been (to) 表示表示“曾經(jīng)到過曾經(jīng)到過某地某地”，說話時此人不在那里，已經(jīng)，說話時此人不在那里，已經(jīng)回來。側(cè)重指經(jīng)歷?；貋?。側(cè)重指經(jīng)歷。have / has gone (to) 表示某人表示某人“已經(jīng)已經(jīng)去某地了去某地了”，說話時此人可能在路上，說話時此人可能在路上或已到那里，反正不在這里。或已到那里，反正不在這里。 比較：比較：i have seen the film. 我看過這部電影。我看過這部電影。 (我了解這部電影的內(nèi)容我了解這部電影的內(nèi)容) i saw

8、 the film last month. 我上個月看了這部電影。我上個月看了這部電影。 (只說明上星期看了這部電影，不只說明上星期看了這部電影，不 涉及現(xiàn)在的情況涉及現(xiàn)在的情況) 一般過去時只強調(diào)過去的動作；現(xiàn)在一般過去時只強調(diào)過去的動作；現(xiàn)在完成時強調(diào)過去的事情對現(xiàn)在的影響。完成時強調(diào)過去的事情對現(xiàn)在的影響。 一般過去時通常與表示過去的時間狀一般過去時通常與表示過去的時間狀語連用；現(xiàn)在完成時則不能與表示過去語連用；現(xiàn)在完成時則不能與表示過去的時間狀語連用。的時間狀語連用。 一般過去時單純表示過去的經(jīng)歷；現(xiàn)一般過去時單純表示過去的經(jīng)歷；現(xiàn)在完成時表示過去的動作或狀態(tài)延續(xù)到在完成時表示過去的動

9、作或狀態(tài)延續(xù)到現(xiàn)在并可能持續(xù)下去。現(xiàn)在并可能持續(xù)下去。 一般過去時的時間狀語有：一般過去時的時間狀語有：yesterday, last week, ago, in1980, in october, just now 共同的時間狀語有：共同的時間狀語有：this morning, tonight, this summer, before, already, 現(xiàn)在完成時的時間狀語有：現(xiàn)在完成時的時間狀語有：for, since, ever, never, just, already, yet, in past years i. 根據(jù)括號內(nèi)的要求完成下列各句，每根據(jù)括號內(nèi)的要求完成下列各句，每空一詞

10、空一詞(含縮寫含縮寫)。1. my parents have come back already. (改為否定句改為否定句) my parents _ _ back _. 2. the boys have been to japan lots of times. (改為一般疑問句改為一般疑問句)_ the boys _ to japan lots of times? have been havent comeyet3. has your sister gone to the bookstore? (作肯定回答作肯定回答)_, she _.4. i have been to the theme

11、park three times. (對劃線部分提問對劃線部分提問)_ _ times have you been to the theme park?5. the movie has been on for half an hour. (對劃線部分提問對劃線部分提問)_ _ has the movie been on? how many yes hashow long. 根據(jù)括號中所給動詞的提示完成下列根據(jù)括號中所給動詞的提示完成下列句子或?qū)υ?。句子或?qū)υ挕?. i _ (work) in this city for 7 years. 2. how long _ she _ (live) h

12、ere? since she _ (get) a new job here. has livedhave worked / workedgot 3. how many words _ you _ (learn) since two years ago?4. my mother _ never _ (hear) of this man. 5. tom _(be) to china twice.havelearned / learnthasheardhas been4aput the correct forms of the verbs in the blanks.1. a: do you wan

13、t _ (come) to the space museum? b: no, ive already _ (be) there three times.2. a: have you _ (see) the robots at the science museum? b: yes, i _ (go) there last weekend.to comebeenseenwent3. a: lets _ (spend) the day at the zoo. b: well, ive already _ (be) there a couple of times, but im happy _ (go

14、) again. 4. a: how about _ (go) to the art museum? there are some special german paintings there right now. b: sure. when do you want _ (go)?spendbeento gogoingto go5. a: have you ever _ (visit) the history museum? b: no, ive never _ (be) there.visitedbeen4bfill in the blanks with the correct forms

15、of the verbs in brackets.most of us _ (see) mickey mouse, donald duck and other famous disney characters in cartoons before. but have you ever _ (be) to disneyland? disneyland _ (be) an amusement park with a special theme disney characters and movies. have seenbeenisthere _ (be) many exciting rides,

16、 lovely restaurants and fantastic gift shops there. you can also _ (see) the disney characters walking around the park. and have you ever _ (hear) of a disney cruise? this _ (be) a boat ride with a disney theme. you can _ (take) a ride on the boat for several days and eat and sleep on it. areseeheardistakeo