请问be concerned about 是担心的意思,如 i am concerned about his healt

请问be concerned about 是担心的意思,如 i am concerned about his healt be concerned about的concerned是形容词吗?还是被动 类似be concerned about的 be concerned about造句 关于be concerned about I am very concerned about you! be concerned about 与 be concerned with 的不同. be concerned about ,concern about 不都有担心……的意思吗?为什么省略句中不能用conc be concerned about concern about be concerned about与be concerned with 区别 感觉都有关心的意思 be concerned about 中的concerned是什么词性? be concerned about be concerned for be concerned over 的区别