be concerned about的concerned是形容词吗?还是被动

be concerned about的concerned是形容词吗?还是被动 be concerned about造句 be concerned about 中文 be concerned about concern aboutbe concerned about 和 concern about 的区别! be concerned about和concern about的区别 类似be concerned about的be+ved+介词 be concerned about与be concerned with 区别 感觉都有关心的意思 英语翻译用(be concerned about) 用be concerned about造句 用 be concerned about 造句 用户be concerned about 造句 be concerned about 中的concerned是什么词性?形容词还是动词的过去分词? be concerned about与be concerned with 区别如题 关于concerned的短语be concerned withbe concerned forbe concerned about各是什么意思?后面各加什么(物还是人还是其他)? be concerned about ,concern about 不都有担心……的意思吗?为什么省略句中不能用concerned?be concerned about ,concern about 不都有担心……的意思吗?为什么省略句中不能用concerned?例 concerning（为什么不能 关于be concerned abouthe is always concerned about.is always concerned about his family. 英语翻译必须用：be concerned about concerned about与worry about的区别