he sat there without saying anything.这里为什么要用动名词saying,用say可以

he sat there without saying anything.这里为什么要用动名词saying,用say可以 He sat there without saying anything? he sat there without saying anything是什么结构 为什么without 后面动词要用动名词形式?He left without saying a 1 he left ___ without saying anything he left without saying a word. 可以这样说吗 he left without say a he without saying anything and went away还是he without saying He l____without saying anything. She___ (sit) there for a long time without saying anything __________, she stood there without saying anything. A．Tears He left the room______(sad)without saying anything. he went away without saying anything,leaving us standing……为什