They are / was happy.
They are happy.
She lives/ lived here when she was a child.
She lived here when she was a child.
They didn't have / didn't had enough time so they stayed home and studied.
They didn't have enough time so they stayed home and studied.
He puts / put the book on the table yesterday.
He put the book on the table yesterday.
They cost / costs 5 euros.
They cost 5 euros.
Did you hoover / hoovered the carpet yesterday?
Did you hoover the carpet yesterday?
She doesn't / didn't like the dinner on Sunday.
She didn't like the dinner on Sunday.
We go / went to the park yesterday afternoon.
We went to the park yesterday afternoon.
They don't like / liked the film.
They don't like the film.
Did / Do you tell her my secret when you met her?
Did you tell her my secret when you met her?