11. I’ve had a toothache recently, so I ___________ them (check) ___________ tomorrow.

12. Christmas is coming, and we ___________ the tree (decorate) ___________ by my children already.

13. This exercise was so difficult that I _________ my brother (instruct) _________ me how to do it.

14. ___________ these pots of flowers (take) ___________ to my office, please.

15. My hair looks dreadful, I think I ___________ it (cut) ___________ tomorrow.