3 oraciones con diferentes personas y con verbos afirmativos en presente:
I am seen, soy visto
Cathy is thought to work very hard
Someone gives me a dog
The car will be washed
Dr. Parker will be offered to deliver a speech on nutrition.
This child will be taught to have better manners.
Nothing can be done to solve this mystery.
That book must not be returned to the library
A doctor should be called in case of accident.