Question

英语问题,请说明原因，谢谢 (选择题)

1.Sorry, I am too busy now.If I __have/had__ time, I would certainly go for an outing with you.
2.Food supplies in the flood-stricken area _______. We must act immediately before there ' s none left.
A.have run out B.are running out C.have been run out D.are being run out

Answer 1

Had A
1.状从，主将从现，would是Will过去式，所以从句里的have用had

Answer 2

had 虚拟语气知识点
run out 不及物 不能由被动 CD排除，更具时态选A

追问

为什么不能是B

追答

这是完成概念 食物供应以终断 如果是B 进行概念 你翻译一下就不对了

Answer 3

1.had
2.a

追问

原因

追答

1.虚拟 主句用would从句也用过去式
2.现在完成时 表示过去的动作对现在造成的影响