1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
《Grammar and usage(1)： Present perfect tense》新课标PPT课件优质课下载
1.We have already seen the film.
过去的动作: We saw the film.
对现在的影响: We know the story of the film.
二、现在完成时的用法
2.The boys are tired. They have just played
a ball game.
过去的动作 : The boys played a ball game
just now.
对现在的影响: The boys are tired.
3. Someone _________ the vase . (break)
过去的动作 : Someone broke the vase.
对现在的影响: The vase is broken.
has broken
4. Jim has had a bad car crash lately.
对现在的影响: He’s probably still in hospital now.
现在完成时表示过去发生或已完成的动作，或某一动作对现在造成的影响或结果。通常与just, already, before, yet, lately, recently 等状语连用。
Conclusion 1 ：
already: “已经”通常用于肯定句中,放在句中。I have already finished this project.
yet:“仍然，还 ”用在疑问句和否定句中，放在句末。
I haven’t read this book yet .
Have you had breakfast yet ?
1.Daniel has lived in Guilin since he came to China.
2. I havn't seen him for many days.
3. Great changes have taken place in our school in /over the past 5 years.
4. So far, she has learnt English for 4 years.