Was x Been x Studied x Have studied:

Quando usar lived e have lived?

Is it correct?
1- I have been in(to) London twice and now I am living in Rio.
2- I was in(to) London on Setember 26,2011
3- I studied in London two years ago and now I live in Rio
5- I have studied in London last year and I still live there.
Thank you in advance