know和knowing有什么区别

to know 和knowing有什么区别? know和knowing有什么区别 know 和know about有什么区别 know和 know about 有什么区别? 请问know和known有什么区别`` aware和know有什么区别？ I come to know和I know有什么区别? nice knowing you.nice to have know you的区别 didn't know,had't know和haven 't know用法有什么区别 know about和known about有什么区别? Knowing what I know NO和know读音有什么区别?KNOW是读作闹?还是和NO同音