Correct the mistakes.
1. they have been to the shops. they’ll be home soon.
2. joe plays in the garden at the moment.
3. i am going to work by car every day.
4. the builders finish the block of flats already.
5. he has been breaking his arm.
6. sam have just finished reading a very interesting book.
7. water is boiling at 100 degrees celsius.
8. john is living here since 1986.
9. i study this subject for five years.
10. who has use my scissors?