1 he could have passed the exam,but he was too careless.
他本來可以通過考試,但他太粗心了
2 he might have given you more help,even though he was busy.
雖然他很忙,但他可能給你更多的幫助.
3 Tom,you are too lazy.The work should have been finished yesterday.
湯姆,你太懶了.這工作昨天就應(yīng)該做完.
I ought have gone home last Sunday.
我本來上星期天應(yīng)該回家的
4 I needn't have bought so much wine,for only 5 people came.
我本不需買這么多酒,因為只來了五個人
5 I would rather have done than delayed.
我寧愿完成也不愿意拖著.