Past simple :
My friend moved to St.Petersburg in the 1990s
I visited my granny last week
My mother bought a new microwave yesterday
My brother worked as a builder 5 years ago
It was terrible weather yesterday !
Present perfect
My sister has been to Greece twice
My niece have already done her homework
My father has just sent a letter
My parents have lived here since 1995
We have known each other for 10 years