I/to see/my boss/today. 3. Helen/to decorate/her room/already. 4. My cousins/to be/to this cinema/never. 5. Max/to buy/a magazine/today. 6. You/to spend/a lot of money/this month.…

Here are the sentences restructured to make them correct:

1. I saw my boss today.
2. Helen has already decorated her room.
3. My cousins have never been to this cinema.
4. Max bought a magazine today.
5. You have spent a lot of money this month.
6. Ian and Peter have already repaired the radio.
7. I have never driven a car.
8. We have received some letters this week.
9. The dog has just run away.

If you need further assistance, feel free to ask!