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
Presentation
学习目标：
1.复习现在完成时的用法。
2.掌握already,just和yet的用法。
3.掌握have/has been to和have/has gone to 的用法
1. I’ve just made a model spaceship.
2. Has it arrived yet?
3. Astronauts have already been to the moon.
4. We have not found life on any other planets yet.
构成
用法三要素
常用状语
have + 动词过去分词
has +动词过去分词
1.动作发生在过去
2.持续到现在
3.对现在的影响
现在完成时
Grammar
ever, never,already, yet
since , for , so far, still,
before, just, recently,
once,twice,many times,
in the past few years,
up to now 等
现在完成时的结构：
has/have +动词过去分词
肯定句
I have worked.
He/She has worked.