should,ought to,had,better肯定否定各造一句(汉语也写)

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should,ought to,had,better肯定否定各造一句(汉语也写)
should,ought to,had,better肯定否定各造一句(汉语也写)

should,ought to,had,better肯定否定各造一句(汉语也写)
1.At this point you all should be finished
这个时候你们都该完成了.
否:You should not go to class right away.
你不该马上去上课
2.Students ought to study hard.
学生应该努力用功.
否:You oughtn't smoke so much.
你不应该吸那么多烟
3.you'd better get yourself together.
你还不振作起来
否:You'd better not go to BJ by train
你最好不要乘火车去北京