1) have seen -- Present Perfect
say - Present Simple
is - - Present Simple
was born -- Past Simple
has had - - Present Perfect
2) is -- Present Simple
may know -- Present Simple
3) is - - Present Simple
started - - Past Simple
was - - Past Simple
was winning - - Past Continiuos
4) is - - Present Simple
are - - Present Simple
will know - Future Simple
are talking - - Present Continiuos
5) is - - Present Simple
won - - Past Simple
keeps - - Present Simple