He has been worried all week.为什么用has been worried,而不是has wor

原因如下：1、本句话中的worry是表示状态的形容词（过去分词转化来的）worried,是表示“焦虑”的状态的,而不是来表示动作的。2、正因为be worried 表示状态,才能跟表示时间段的状语all week连用。类似例子：I have been prepared for the coming examination since September 1st。They have been excited all through the party。