did you understand what i meant还是mean?

问题描述:

did you understand what i meant还是mean?
因为前面有did,后面要用原型么?did you understand what i mean 还是meant?

不要这样想,容易记混.用同样的句形来看:1.Did you understand what I did(过去式)?而不能说what I do(原形)2.Did you understand what I said(过去式)?而不能说what I say(原形)所以是用Did you understand what I m...