我从1999年起再没去过北方.用英语怎么翻译?

1.I have never been to North again since 1999.
2. He has studied English for five years.
3.I have never been to Beijing again since 1999.

1.我从1999年起再没去过北方.
I 've never been to the north from 1999
2.他已经学了五年英语了．He had learnt English for 5 years!

1. I haven't been to the north since 1999.
2. He has been learning English for five years.

I .have not been to North since 1999.
2.I started study english five years ago.

I haven't been to the North since 1999.
He has learnt English for 5 years.

I haven't been to the north since 1999.