Mr . Park helped his son paint the picture --> Mr.Park's son was helped paint the picture by his father.
She should cook the meal soon --> The meal should be cooked soon.
My aunt takes me to the zoo every afternoon --> I'm taken to the zoo by my aunt every afternoon.
Minh used to do his homework after school --> Minh's homework used to be done after school.
They had to give me the advice --> The advice had to be given to me.
I have sent my sister the photos --> The photos have been sent to my sister.
We are going to build the new house next year --> The new house is going to built next year.
Tom is reading a new novel --> A new novel is being read by Tom.
They did not tell us the truth --> The truth wasn't told us.
My sons do not see news every day --> News isn't seen by my sons every day.