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1、牛津版牛津版八年級(jí)八年級(jí)(8B)Unit 1Grammar現(xiàn)在完成時(shí)的時(shí)間副詞和時(shí)間短語現(xiàn)在完成時(shí)的時(shí)間副詞和時(shí)間短語1. 副詞副詞already和和yet。already一般用于肯一般用于肯定句中定句中, yet一般用于否定句和疑問句中。一般用于否定句和疑問句中。 如如: We have already finished our homework. 我們已完成作業(yè)了。我們已完成作業(yè)了。They havent finished their homework yet. 他們還沒有完成作業(yè)。他們還沒有完成作業(yè)。 - I have never been to the Great Wall. 我從未去

2、過長(zhǎng)城。我從未去過長(zhǎng)城。2. 副詞副詞ever 和和never。多用于否定或疑問。多用于否定或疑問 句中句中, 表示表示“曾經(jīng)曾經(jīng)”或或“從未從未”等。等。 如如: - Have you ever been to the Great Wall? 你曾經(jīng)去過長(zhǎng)城嗎你曾經(jīng)去過長(zhǎng)城嗎?He has been there twice the last few days. 近幾年他去過那里兩次了。近幾年他去過那里兩次了。3. 用表示到說話時(shí)為止的時(shí)間狀語用表示到說話時(shí)為止的時(shí)間狀語, 如如: just, before, up to now, the past few years等。等。如如: I hav

3、e seen her before, but I can not remember where. 我以前見過她我以前見過她, 但記不起在哪里見過。但記不起在哪里見過。如如: I havent seen him for two years.4. 表示動(dòng)作或狀態(tài)從某一時(shí)刻開始表示動(dòng)作或狀態(tài)從某一時(shí)刻開始, 一直一直 持續(xù)到現(xiàn)在的時(shí)間狀語持續(xù)到現(xiàn)在的時(shí)間狀語: so far, for + 一一 段時(shí)間段時(shí)間, since + 過去時(shí)間或一般過去時(shí)過去時(shí)間或一般過去時(shí) 的句子。的句子。 Mrs Li has taught in our school since she left normal univ

4、ersity. 李老師從師范大學(xué)畢業(yè)以后就在我們李老師從師范大學(xué)畢業(yè)以后就在我們 學(xué)校教書了。學(xué)校教書了。Complete the conversation using the present perfect tense of the verbs in brackets with the correct time expressions.Simon: Have you (1)_ (travel) by plane?Daniel: No, I (2)_ (travel) by plane _, but Ill fly to Sanyaever travelledhavent travelledy

5、et this summer. My parents and I will stay there for a whole week to enjoy the sun and the beach.Simon: Im sure youll enjoy the trip. By the way, did you know that my family (3)_ (own) a boat _ 1920?Daniel: I cant believe your family (4)_ _ (own) a boat _has ownedsince have ownedfor over 80 years!Si

6、mon: In fact, you (5)_ (see) it in the sitting room.Daniel: Oh, yes, but thats not real boat. Its only a model!Simon: I know, but it looks like a real one. Its just smaller.Daniel: I must say that its the best modelhave already seen I (6)_(see).Simon: Thank you, Daniel.have ever seen( )1. I have fin

7、ished my homework _. Have you finished your homework _? A. yet, yet B. yet, already C. already, yet D. already, already( )2. I havent seen Kate _ 4 months. A. Already B. since C. for D. yet( )3. He has _ seen the film Harry Potter. So he knows nothing about it. A. already B. ever C. never D. yet ( )

8、 4. She has been ill in bed _ two days ago. A. since B. in C. during D. for( )5. Have you seen him _? No, I havent. A. already B. never C. ever D. recently( )6. I have _ watched a wonderful film. Its really interesting. A. yet B. just C. just now D. never( )7. Mike _ the bookshop. I have to wait for

9、 him. A. went to B. was in C. has been to D. has gone to( )8. Oh, Mrs King, your dress looks very nice. Is it new? No, I _ it since two years ago. A. had B. bought C. have had D. have bought( )9. _ you _ a ticket for the football match? Not yet. A. Is, bought B. Are, bought C. Has, bought D. Have, b

10、ought( )10. What a nice dog! How long have you had it? _ two years. A. For B. Since C. In D. Before( )11. Great changes _ in China since 1978. A. was happened B. have happened C. have been happened D. happened( )12. Tom _ a lot of friends since he came to China last year. A. made B. makes C. is maki

11、ng D. has made( )13. “The World Without Thieves” is a very moving film. I _ it twice already. A. will see B. saw C. see D. have seen( )14. They _ since the factory opened. A. have worked there B. have worked here C. worked there D. worked here( )15. Lucy, _ you _ your ticket? Not yet. A. did, find B. have, found C. has, found D. do, find( )16. What are you going to do this Saturday? I _ yet. A. havent decided B. wont decide C. am not decided D. didnt decide Remember the use of present perfect tense.