Simple past vs Present perfect

Unfinished actions that started in the past and continue to the present

A finished action in someone's life (when the person is still alive: life experience)

finished actions

(Correct or incorrect) I've done homework yesterday.

A finished action with a result in the present

A finished action in someone's life (when the person is dead)

A finished action with no result in the present

(Correct or incorrect) I didn't go to the U.S. yet.

(Correct or incorrect) Have you ever been to Australia?