It needen't be done by you.
Your homework must be finished by you now
The work can be done by us today.
The work had been done by her by the end of last month.
Many stories has been written for that magazine by the writter.
Yesterday the football was played by us after school.
The Great Wall was khown by people all over the world.
His brother is always halped by him.
Is Unit 8 learned by you?
Is homework done by Li Lei at home?
選我的.