Vivian has finished her homework.
The children have played with their toys.
I have cleaned the shoes.
I have been to Disneyland .
Have you argued with your friend?
Have you traveled to another place?
She has not gone home.
He has eatten lunce.
They have been away for three years.
we have known each other for more than 20 years.
The flowers should be watered every day.
Cars mustn't be parked here.
Children can be taken to the cinema free on Children's Day.
Teenagers should be allowed to go out with their friends.
Many trees should be planted on the mountains.
young trees must be watered often.
your mistakes should be corrected right now.
the objects in the film can be touched.
special gloves must be wron.
Tables can be made of stone.