could you please ______ watch TV now?为什么填not to 不填don’t?

问题描述:

could you please ______ watch TV now?为什么填not to 不填don’t?

这句话的肯定形式就是you could watch TV now,所以否定就是 You couldn't watch tv now,就是加了个not,could提前提问时,就变成了not to