ought to的用法ought to和should有些像,那么should I do so?should改成ought to该怎么变.

ought to 和ought 的区别 had better,should,ought to的用法.should,和ought to 的用法是相近的吧?ought to呢, 讲讲ought to的用法 ought to 用法是什么? ought to 和be supposed to 的区别和用法 should 和 ought to 的不同点、相同点、和用法. ought to的意思及用法 ought to的用法ought to和should有些像,那么should I do so?should改成ought to该怎么变. ought to的造句? ought to ought to和should的区别 ought to和should的区别? ought to 和 should的区别? Should和 ought to区别? 高中英语小问题ought to do 中 到底是 ought to 就是一个固定短语 还是 to do 是不定式用法to do 这里是不定式吗还是to 和ought 是连着的 和不定式没关系 must,ought to 二词的区别与用法 had better/should/ought to的具体用法 ought to 的反义疑问句