英语问题,求解释present perfect 和 present perfect continuous.

问题描述:

英语问题,求解释present perfect 和 present perfect continuous.
例;
he has been crying in the bathroom.
he has been cry because he looks unhappy.
这里例子对吗,求解释为什么一个用crying 一个用 cry.
像这题she has been (stand) outside for 2 hous.是要用stand 还是 standing ?

1.He has been cry because he looks unhappy.他(过去)哭过因为他看起来不高兴have been+动词过去分词 为现在完成时,表示过去(曾经)做过某事2.He has been crying in the bathroom.他在浴室哭到现在.have been+d...