现在完成时（Present perfect）过去发生并且已经完成的动作对现在造成影响或后果，过去某一时间开始并一直持续到现在的动作或状态。 基本结构：主语+have/has+动词的过去分词(done) ①肯定句：主语+have/has+动词的过去分词+宾语. ...

时间:2025-02-19 10:05栏目:行业资料

一、 重点语法解析 Past now Yesterday , we Now , the classroom cleaned the classroom. is clean because we have cleaned it. 1. My father bought many books for me yesterday . Now , I have a lot to read because ________________________________ 2. I saw this film last week. Now, I know this film ...

时间:2025-01-23 09:49栏目:行业资料

学习好资料欢迎下载现在完成时（ Present perfect）过去发生并且已经完成的动作对现在造成影响或后果，过去某一时间开始并一直持续到现在的动作或状态。基本结构：主语+have/has+动词的过去分词(done) ①肯定句：主语+have/has+动...

时间:2025-01-04 03:24栏目:行业资料