Sorry , I am too busy now. If I _____time , I would certainly go for an outing with you.
问题描述：
Sorry , I am too busy now. If I _____time , I would certainly go for an outing with you.
A.have hadB.had had C.have D.had
这道题正确答案是D,但为什么不能选B, 完成时也可以表示虚拟语气啊.求大神解释!
答
Sorry ,I am too busy now.If I had time ,I would certainly go for an outing with you.不好意思,我现在很忙.如果我（现在）有时间的话,我肯定和你去郊游.很明显,题目中的虚拟是对现在事实的假设,所以条件从句用一...