do did does怎么用?你听说过吗?Do you heard that?还是Did you heard that?还是does...that

do did does怎么用?
你听说过吗?Do you heard that?还是Did you heard that?还是does...that

要看时态
如果是过去式用did
一般现在时用do
does是在一般现在时并且主语是单数如he she it之类的情况下用
你这句话在不确定时态时就是一般现在时
就是Do you hear that?
有助动词帮忙动词用原形应该是hear,heard是他的过去式