be worried about中worried为什么是过去分词的?为什么不是过去式也要加ed?

be worried about造句 be worried about sth. Don't *** your lessons.***中填be worried about.为何worried about不行,worry 也可做动词 be worried about 的意思 be worried about中worried为什么是过去分词的?为什么不是过去式也要加ed? care about 与 be worried about区别 be worried doing sth 还是be worried about doing sth be worried about 和 be worried of区别 worry about ,be worried about ,be concened about的区别 be worried about是什么短语啊? Don't be worried about it.对吗? 区分be worried about和be worrying about be worried about和be excited about有什么区别 It made me _______ when i thought of my schoolwork 中为什么填worried中为什么填worried 而不是 worried about和be worried,不是有make sb do sth 什么时候用worry about 什么时候用be worried about worry about与be worried about的区别是什么? worry about sb/sth等于be worried about be worrying和be worried的区别 后面加about