Now, let's make some sentences
1. 我看了这部电影。2. 她把信寄出去了。3.Tom在那里？他
现在完成时(第一层含义）1.含义2.结构3.
现在完成
I lived in Wuwei ten years ago.I have lived in Wuwei for ten years.I have lived in Wuwei since ten years ago.I studied English ten years ago.I have studied English for ten years I have studied English since ten years ago.