I have been busy yesterday afternoon为什么要用have been busy而不用have busy
问题描述:
I have been busy yesterday afternoon为什么要用have been busy而不用have busy
主要想问的是什么时候现在完成时里动词前要用been,也就是have been ...
例如还有 :She has been sick since last month.
答
busy是形容词,你想想i am busy .那been 对应的am ,好好琢磨下