He didnt live in london two years ago/
who didnt live in london?
when did he live in london?
where did he live?
did he live in London?
why did he live in london?
he didnt help me yesterday/
did he help me?
who did he help yesterday?
who did help me testerday?
when did he helped me?
what did he to me?
she didnt become famoud 5 years ago/
did she become famous?
when did she become famous?
what did she do?
who became famous 5 yars ago?