关于高中英语造句子的问题.

题目

关于高中英语造句子的问题.
1.could have done
2.might have done
3.should/ought to have done
4.needn't have done
5.would rather have done
句子要求简单 易懂 写上中文 谢谢

答案

1 he could have passed the exam,but he was too careless.
他本来可以通过考试,但他太粗心了
2 he might have given you more help,even though he was busy.
虽然他很忙,但他可能给你更多的帮助.
3 Tom,you are too lazy.The work should have been finished yesterday.
汤姆,你太懒了.这工作昨天就应该做完.
I ought have gone home last Sunday.
我本来上星期天应该回家的
4 I needn't have bought so much wine,for only 5 people came.
我本不需买这么多酒,因为只来了五个人
5 I would rather have done than delayed.
我宁愿完成也不愿意拖着.