know about和known about有什么区别?

know about和known about有什么区别? be known about和be known 请问know和known有什么区别``know和known有什么区别`` already 和现在进行时连用 与alread 和现在完成时连用的区别He already knew about it.He has already known about it.He already know about it. ,I know you are worrying about her,now.I am also worring about you.I hope everything abo know about 和know的区别 know和know about的区别 know 和know about 的区别 know和know about的区别 know of 和know about 相等吗 know sth about和know about的区别 know 、know about和learn about 的区别 John as well as Tom______a lot about treesA.know B.knows C.knowing D.known I have known about Mr White but i don't know him.译成中文 known about 、known in 、know about 、know in 各自的中文意思!如没这个词组说一下The artist became well known in his thirties （就是这道题、引发出我的问题。 ____more about tomorrow's weather,call 121._Ok,Iwill.Thank you.A.Know B.knowing C.To know.D.Known. 翻译：What are known about Yangzhou by most Chinese people?翻译出known about和by在句中的意思 to know 与know 区别 ____more about tomorrow's weather,call121.--Ok,I will.Thank you.A.Know B.Known C.Knowing D.To know..