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

题目

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 ?

答案

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...