Simple
I tried to safe her.
Kate washed dishes yesterday.
I saw Mrs Brown some minutes ago and greeted her.
I didn't know that he is orphan.
Alexander Hamilton was killed by Aaron Burr.
Perfect
I have watched a new film.
I have received the car last Sunday.
Angelica has known Aaron because he is President of US
Stiven King has written a lot of popular books.
Have you bought a robot?