1. А lot of things have been scattered about by the children .

2. All the books have been put in the bookcase by our father.

3. The fields will be covered with by snow in winter.

4.The homework will be handed in tomorrow.

5. I don’t think all the preparations will be finished today.

6. I’m always invited to her dinner parties.

7. She showed me the dress that had been  made by her daughter .

8. She wasn’t invited to the party.

9. The window wasn’t left open.