Question

How i wish I ---------with you when you were here last week. A.can be B.wereC.could be D.could have

Answer 1

楼主少打一个单词吧？
对“过去”的希望，应该用过去完成时,could have been.

虚拟语气．
wish这个词加宾语从句，通常用虚拟语气．有三种情况．
1．现在的愿望，从句用过去时，如你的例子．
2．过去的愿望，从句用过去完成时，通常是与过去相反的假设．比如
i wish i had seen you yesterday.实际上你没看见
3．将来的愿望，从句用would/could/should/might加动词原形．

Answer 2

c
虚拟语气
以前高中有个课本写贝多芬盲后，说过一句话
how i wish i could see you .....

Answer 3

B，表示对过去的推测，而且是肯定的推测，所以是B。

Answer 4

D 对过去的虚拟则用过去完成时