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ought to should had better must have to 的区别

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ought to should had better must have to 的区别
ought to should had better must have to 的区别
ought to ,应该,客观上的应该,The cake ought to be good—I used the best ingredients.蛋糕应该是好的——我用了最好的配料.
should 主观上的应该,we should study hard.
had better,最好,Perhaps you and I had better change over; you are more experienced.也许我们的工作还是对换一下好,你比我更有经验.
must,必须,不得不 ,也是主观上的.程度比should强多了.we must study hard.
have to ,是客观上的.不得不.Please be quiet.I have to study the book for a test tomorrow.请不要说话了,明天要考试,我得看书.
希望对你有用.