现在完成时课(方案B).pptVIP

语法课堂;上一页;现在完成时; 现在完成时的构成;过去分词的构成;;;;现在完成时的主要用法;上一页;3.表示人曾有过或到目前为止从未有过的经历.;3表示人曾有过或到目前为止从未有过的经历.;现在完成时的时间状语;短暂性动词与时间段的关系; become →be, begin→ have , borrow → keep, buy → have, come (go, arrive, get) →be here/there/in…， die→ be dead, finish→ be over, join→ be in …（be a member of … ） leave→ be away ( from…), ; ●但在否定句中，短暂性动词可以与时间段连用。 如：I haven’t bought the bike for a year. 我买这辆自行车还不到一年。 She hasn’t come here for an hour. 她来这儿还没有一个小时。; ? 翻 译 练 习： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。; 3.他已经回来三天了。 4.自从六点钟他就来这儿了。 5.我离开家乡已十年了。 ;have been 与have gone 的用法比较 ; Has she ever been to Nanjing? 她曾去过南京吗？ You have never been there, have you? 你以前从未去过那儿，是吗？ I have been to Guiling ,I went there last year. 我去过桂林，我去年去的。 She has gone to Nanjing. 她已经去南京了。;?与一般过去时的用法比较;eg：He has bought an English-Chinese dictionary. 他已经买了一本英汉字典。 He bought an English-Chinese dictionary. 他曾买过一本英汉字典。;二．当有一个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: ;三．常与一般过去时连用的典型的 表示过去时间的状语:;上一页;动 词 填 空： 1._____ you ________(clean) the room? Yes, we __________(do) that already. When _______ you ______(do) it? We _______(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______(be) there? ;4. I __________ (read) the novel twice. It’s interesting. 5. She _________(go) to Pairs, hasn’t she? Yes. How ______ she _______(go) there? She _______(go) there by air. 6. So far, many countries _______________(develop) their software programs. 7.Mr Chen ______(give)up smoking last year. 8.Mr Chen __________(give) up smoking since last year. ;选用 for和 since填空: 1.We haven’t seen each other ______ a long time. 2.His father has been in the Party ______ 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 year