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Present Perfect Tense
Have you ever read Little Woman?
I haven’t read it yet.
But I have had the book for ten years.
And I have kept it on my bookshelf(书架） since ten years ago.
Have you ever read Little Woman?
I haven’t read it yet.
But I have had the book for ten years.
And I have kept it on my bookshelf(书架） since ten years ago.
3.现在完成时的用法
2.一般疑问句及否定句的结构
1.现在完成时的构成
4. 时间状语
2.一般疑问句及否定句的结构
3.现在完成时的用法
1.现在完成时的构成
4. 时间状语
主语+have﹨has+动词过去分词
助动词：
talk ---
like ---
study ---
stop ---
have﹨has
动词过去分词变化规则：
talked
liked
studied