concern concerns concerning concerned,每当我看到这个词这几个形式时候,就有种想吐的感觉,为此我悬赏50分.别用字典来解释,请简单易懂方式帮我讲明白.1.这个词的在句子中位置.2如何快速判断出词性

as concerns 怎么用?为什么concern要加s?concerning怎么用? concern be concerned about 和 concern about 什么区别?He is concerned about this problem.He concerns about this problem. They talked about several questions ( ) the proper deucation of the children A.concerns B.concern C.concerning D.concerned 一道高中英语选择题,简单说原因即可.They've decided to have another discussion ( ) their methods of work. A concerns B concerned C as concern D concerning )The shortage of water in the city concerns the local government.concern为什么+s,他的名词形式是concern啊.加了s只不过是复数形式,但句中的意思应该是动词形式concerned才对啊 concerns是什么意思 Nontrade concerns manufacturing concerns 英语翻译teachers use blogs to share ideas,experiences and concerns about their work with other teachers.concern在这里应该不是动词把,不然不会有s,这句话如何翻译? Still,nearly 15 million people are unemployed in the US and concerns about job security have clouded consumer confidence.这句话结构是怎么样的?为什么concern要加s? 英语翻译drafts of legislation Congress could consider as early as Wednesday circulated on Capitol Hill.circulated onLawmakers voiced their concerns as negotiations with the Bush administration continue,and drafts of legislation Congress could con 第一句话的what conerns sb is……是什么结构?concern是动词还是名词?不应是what sb concerns is……么?What concerns most climate scientists and observers is that the extreme weather event are occurring frequently,their intensity i 关于 concern的问题The letter is chiefly concerned with export commodities. 这封信主要是关于出口商品的. The news concerns your brother. 这消息与你兄弟有关.为啥上面的哪个用be concernde with而下面的用concern ,不 concern oneself concern是什么意思 grave concern Climate change concerns