初中现在完成时讲解(完整版).ppt

9. He ________ (go) to school on foot every day. 10.____ you ______ (find) your science book yet? 11. If it ____ (be) fine tomorrow, Ill go with you. 12. The students ____________ (read) English when the teacher came in. 13. Look! The monkey __________ (climb) the tree. 14. My mother __________ (come) to see me next Sunday. 15. Ive lost my pen. _________ you ________ (see) it anywhere? 1. I____ already ____ (see) the film. I ________ (see) it last week. 2. _____ he ____ (finish) his work today? Not yet. 3. My father ____ just ____ (come) back from work. He is tired now. 4. Where’s Li Ming ? He __________ (go) to the teacher’s office. 5. I __________ (work) here since I ______ (move) here in 1999. 6. So far I _______________(make) quite a few friends here. 7. How long ________ the Wangs ______________(stay) here ? For two weeks. 8. I ________ just ___________ (finish) my homework. 1. have, seen, saw 2. Has, finished 3. has, come 4. has gone 5. have worked, moved 6. have made 7. have, stayed 8. have, finished 9. goes 10. have, found 11. is 12. were reading 13. is climbing 14. is coming 15. Have, seen The Present Perfect tense present(now) future past Present Perfect Tense 现在完成时 主语 + have/ has + 过去分词（pp） 助动词,无意义 现在完成时的结构 Winter has already come， will it still be far in spring ? 主语 + have/ has + 过去分词（pp） 否定形式 haven’t ( have not ） +过去分词 hasn’t ( has not ) +过去分词 疑问句 把助动词 have / has 放在句首 现在完成时的结构 注：主语若是第三人称单数助动词用 has You have planted all the trees. I have planted all the trees. He/she has planted all the trees. They have planted all the trees. 区别have 和 has的用法 主语若是第三人称单数助动词用 has 1) 表示到现在为止已经完成或刚刚完成的动作。 Now we have planted all the trees. He has just come back. They have built many buildings in this city. 现在完成时的用法 2) 表示过去发生的动作,强调结果或对现在的影响。 Someone has broken the window. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just cleaned my