smell listen hear see等表感觉的动词后面只接动词原形和动名词,

smell listen hear see 等表感觉的动词属于系动词类,所以如果后面需要加修饰词的话,要加形容词而非副词.
smell listen hear see 等动词因为是表感觉,所以后面如果加动词是这样的 比如 see sb do sth & see sb doing sth,这两者的区别是 see sb do sth 指看到了事情的过程发生,而 see sb doing sth 只是看到了事情正在发生.
1.I saw him stealing 我看到他正在偷人东西
2.I saw him steal,and afterwards he was caught by the police.我看到他偷窃,但没过一会就被警察给逮住了.