现在完成时课件.ppt

六、与一般过去时的用法比较 1、二者都是说过去的事情，一般过去时单纯叙述过去的动作或事情，强调动作，与现在无关；现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调的是现在的情况（如现在的结果，影响,一直延续到现在等） 。 I saw this film yesterday. （强调看的动作发生过了。） I have seen this film.（强调对现在的影响，电影的内容已经知道了。） 现在完成时(完整版)全文共47页，当前为第32页。 2.当句中有表示过去某一特定时间的状语时，不用现在完成时，而用一般过去时: 现在完成时(完整版)全文共47页，当前为第33页。 注：常与一般过去时连用表示过去时间的状语: 上一页 下一页 yesterday(昨天), the day before yesterday(前天), just now(刚才)， 时间+ ago（….前） last +时间 In 1980 eg: We have finished our homework last night (错) 　 We finished our homework last night . (对) 主菜单 现在完成时(完整版)全文共47页，当前为第34页。 3.现在完成时可表示持续到现在的动作或状态，动词一般是延续性的，如：live, teach, learn, work, study, know. 一般过去时常用非持续性动词, 如：come, go, leave, start, die, finish, become, get married等。 现在完成时(完整版)全文共47页，当前为第35页。 练习： The foreigher came to JiNan ten days ago.(变成现在完成时) The film has been on for 20 minutes. (变成一般过去时) 用所给单词的正确形式填空 1.She’s _______ (live) here ever since she was ten. 2.Both of them _____ (be) in Hongkong for ten days. 3.Both of them _____ (come) to Hongkong ten days ago. 4. Mary_____(lose) her pen. 现在完成时(完整版)全文共47页，当前为第36页。 七、have /has been to、 have / has gone to 、 have / has been in 的用法区别 ★have / has been (to) 表示“曾经到过某地”，说话时此人不在那里，已经回来。侧重指经历。 ★have / has gone (to) 表示某人“已经去某地了”，说话时此人可能在路上或已到那里，反正不在这里。 ★ have been in 意思是“呆在某处一段时间了” 现在完成时(完整版)全文共47页，当前为第37页。 练习： 用have/has been to, have/has been in或have/has gone to填空 1.--- Where is your brother? --- He ________ the shop. He’ll be back soon. 2.--- ____ you ever _______ America? --- Yes, I ________ New York twice. 3. We _______ this class since last week. 4. --- How long _______ you _______ China? --- Two years. 现在完成时(完整版)全文共47页，当前为第38页。 用have been to, have gone to, have been in 填空 Mike and his parents __________ the north for half a year. Mum is not at home now. she _________ the shop. ______ you ever _____ to kunming ? Never. Where _____ you ______ these days? Has Jim arrived yet? Yes, he _______ here for several days. Where is