八下u2Grammarfocus.ppt

《八下u2Grammarfocus.ppt》由会员分享，可在线阅读，更多相关《八下u2Grammarfocus.ppt（23页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 9Grammar Focus现在完成时：现在完成时： 表示过去发生或已经完成的某一动作对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。续到现在的动作或保存的状态。结构：结构： 主语主语+ have / has + 过去分词过去分词She has taught in the school for ten years. I havent eaten anything since breakfast.I have been to Fun Time Amusement Park.以以already

2、， yet，just， ever，never，recently, so far等为标志等为标志 He has already got her help. 他已得到她的帮助。他已得到她的帮助。 He has just seen the film. 他刚刚看过这场电影。他刚刚看过这场电影。 He hasnt come back yet. 他还没有回来。他还没有回来。 This is the best film I have ever seen. 这是我曾经看过的最好的一部电影。这是我曾经看过的最好的一部电影。 He has never been to Beijing. 他从没有到过北京。他从没有到

3、过北京。区分区分 have been to / have gone to 现在完成时态中现在完成时态中:have been to 和和 have gone to 都是指已经去都是指已经去了某个地方，但是了某个地方，但是 have been to 强调的是强调的是曾经去了某个地方并曾经去了某个地方并回来回来了；了； have gone to强调的是去了某个地方还强调的是去了某个地方还没有回来没有回来。e. g. Have you ever been to Anqing? 你去过安庆吗？你去过安庆吗？ Yes, several times. 是的，去过几次。是的，去过几次。 Where is Mr

4、 Wang? 王先生在那里？王先生在那里？ He has gone to Anqing. 他去了安庆。他去了安庆。1.I like Guilin. I _ there twice. A. go B. went C. have gone D. have been 2. Wheres Li Lei? He _ Beijing. A. goes to B. went to C. has gone to D. has been to 3. He went to Toronto two years ago, so he _ Toronto for two tears. A. has been to B.

5、 has gone to C. has been in D. has gone 4. Both his parents look sad. Maybe they _ whats happened to him . . knew . have known . must know . will know 5. Have you met Mr. Li _？ . just . ago . before . a moment ago 1. They have been here since 2000. (对划对划线部分提问线部分提问) _ have they been here? 2. The old

6、man _ last year. He _ for a year. (die) （动词填空）（动词填空） 3. This factory opened twenty years ago. (同义句转换同义句转换) This factory _ for twenty years. How long diedhas been dead has been open 现在完成时与一般过去时的区别现在完成时与一般过去时的区别 一般过去时表示的动作或状态，可以是一次一般过去时表示的动作或状态，可以是一次性的，也可以是经常性的，所表示的动作或性的，也可以是经常性的，所表示的动作或状态与现在无关。现在完成时表

7、示的动作或状态与现在无关。现在完成时表示的动作或状态与现在情况有联系，侧重这一动作对现状态与现在情况有联系，侧重这一动作对现在所造成的影响。如：在所造成的影响。如： I had supper an hour ago 我一小时前吃的晚饭。（表示过去的动作）我一小时前吃的晚饭。（表示过去的动作） I have just had supper 我刚刚吃过晚饭。（强调对现在的影响我刚刚吃过晚饭。（强调对现在的影响-我我不饿）不饿）l 现在完成时有否定结构，现在完成进行时没现在完成时有否定结构，现在完成进行时没有否定结构。有否定结构。l 现在完成时可表示做完的时期以及已有的经现在完成时可表示做完的时期以

8、及已有的经验，但现在完成进行时不可以。验，但现在完成进行时不可以。l 现在完成时强调对现在的影响。现在完成进现在完成时强调对现在的影响。现在完成进行时强调过去那一段过程（对现在的影响）。行时强调过去那一段过程（对现在的影响）。区分现在完成时区分现在完成时（has/have done）与现与现在完成进行时在完成进行时（has/have been doing） I have done it. 我已经做了。我已经做了。(强调你做过的事情的本身，强调你做过的事情的本身，现在是否做不是关键。现在是否做不是关键。) I have been doing it for years.我已经做了几年了。我已经做了

9、几年了。(说明这个行动没有断说明这个行动没有断过，现在还在做。过，现在还在做。)1. Im sure Andrew will win the first prize in the final. I think so. He _ for it for months. A. is preparing B. was preparing C. had been preparing D. has been preparing2. By the time he realizes he _ into a trap, itll be too late for him to do anything about

10、it. A. walks B. walked C. has walked D. had walked3. So far this year we _ a fall in house prices by between 5 and 10 percent. A. saw B. see C. had seen D. have seen4. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she _ English for a year. A. studies B. studied C.

11、 is studying D. has been studying 5. The unemployment rate in this district _ from 6% to 5% in the past two years. A. has fallen B. had fallen C. is falling D. was falling6. Now that she is out of job, Lucy _ going back to school, but she hasnt decided yet. A. had considered B. has been considering

12、C. considered D. is going to consider 7. _ you _ him around the museum yet? Yes. We had a great time there. A. Have ; shown B. Do ; show C. Had; shown D. Did; show8. Hi, Tracy, you look pale. I am tired. I _ the living room all day. A. painted B. had painted C. have been painting D. have painted 【20

13、12贵州贵阳贵州贵阳】 “Have you ever been to Tokyo?” “Yes, I _ there twice. Its a modern city.” A. have gone B. have been C. had gone【答案【答案】B考查动词时态及动词的用法。问句用的是现考查动词时态及动词的用法。问句用的是现在完成时，答句也应该用现在完成时，前后在完成时，答句也应该用现在完成时，前后时态一致。时态一致。have gone意为意为“去过，但还没回去过，但还没回来来”；have been意为意为“去了，回来了去了，回来了”。根。根据句意：你去过东京吗？我去过两次，它是据

14、句意：你去过东京吗？我去过两次，它是一个现代城市。故选一个现代城市。故选B.【2012黔西南黔西南】He _his hometown for twenty years. He really misses it!A. has been away from B. left C. has left D. is away from【解析【解析】A 考查动词的时态。从考查动词的时态。从“for+一段时间一段时间”时时间状语可知用现在完成时，因此，只能选间状语可知用现在完成时，因此，只能选择择A或或C选项；而选项；而leave是瞬间性动词，不能是瞬间性动词，不能持续一段时间，所以要将持续一段时间，所以要将leave变成变成be away from，故选，故选A答案。答案。