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1、,Module 2 Unit 3,现在完成时态的用法,语法：现在完成时态,用法一：表示过去或已经完成的动作对现在造成的影响或结果。,构成：have（has)+动词的过去分词,I have finished my homework,He has returned the book,His father has died,Her mother has bought a new dress for her,（不必再做）,（书不在这儿）,（不在人世）,（有一件新衣服）,我完成了我的家庭作业,我归还了那本书,他父亲死了,她母亲给她买了一件衣服,比较：现在完成时和一般过去时区别,现在完成时：强调过去的动作
2、对现在影响一般过去时：强调过去发生的事情,我吃过早饭,I have had breakfast,我一小时前吃过早饭,I had breakfast an hour ago,他离开家乡了,He has left his hometown,他去年离开家乡了,He left his hometown last year,总结：,过去时常和时间状语连用完成时不和过去时间连用,翻译下面的句子1）David写了一封信给 他的朋友2）他参观过那个工厂3）她看过这部电影4）他们打扫过教室5）他去年来过这儿6）我们昨天和2班举行一场篮球赛,1）David has written a letter to his
3、friend,2)He has visited the factory,3)She has seen the movie,4)They have cleaned the classroom,5)He came here last year,6)We had a basketball game with Class2 yesterday,怎样把上面的句子变一般疑问句？,1）Has David written a letter to his friend?,2)Has he visited the factory?,3)Has she seen the movie?,5)Did he come h
4、ere last year?,Yes he has/No he hasnt,4)Have they cleaned the classroom?,Yes they have/No they havent,你看过这部电影吗？,Have you seen the film?,翻译：,他看过这本书吗？,Has he read the book?,你曾经吃过饺子吗？,Have you ever eaten dumplings?,你曾经做过饭吗？,Have you made a meal?,总结：,完成时可以和ever already（已经）yet（已经，还）连用。,We have already fi
5、nished our homework.,We havent finished our homework yet.,Have you finished your homework yet?,肯定句,否定句,一般疑问句,have(has)been to Have(has)gone to,曾经去过某地,已经到某地去了（现在人不在这儿）,I have been to Beijing.I have gone to Beijing.,我曾经去过北京。,我已经到北京去了。,He has been to the school library.He has gone to the school library.,They have been there.They have gone there.,there是副词 前面的to 省去,Good bye!,
