is it a current account or a deposit account you wanted?

问题描述:

is it a current account or a deposit account you wanted?
请问为什么want要加ed呢?

简单化一下问题.
变成It is sth you want/wanted.
比如说,我指着一本书说,It is the book you____.
你需要书肯定发生在我指着书之前,所以填wanted.
这句话中用了定语从句,而定语从句和主句的时态可以不一致.
我想你应该明白一点了吧.