I haven't seen (not ,see)him since i came here时态转换是否正确？

I haven't seen (not ,see)him since i came here时态转换是否正确？
I haven't seen (not ,see)him since i came here
时态转换是否正确？

I haven't seen (not ,see)him since i came here时态转换是否正确？
我来这儿就没见过他.

我来这里后就一直没见过他了。
I haven't seen him since I came here

自从我来这里就没见过他.

现在完成时,正确