一、感官动词后的补语
[观察例句]
①When I was on my way to school this morning，I saw two women arguing.
②When we saw the road blocked with snow，we decided to spend the holiday at home.
③Listen! Do you hear someone calling for help?
④To learn English well，we should find opportunities to hear English spoken as much as possible.
⑤He was just about to sit down when he felt something moving near his feet.
[归纳用法]
(1)感官动词(短语)see，watch，observe，look at，notice，find，discover，catch(当场发现)，hear，listen to，feel，sense(意识到)等后的复合宾语中，若作补语的动词与其前的宾语之间为主动关系，则用动词ing形式作补语；若为被动关系，则用动词ed形式作补语。
