WRITTEN WORK 2: COMPLETE THE INCOMPLETE: Choose the correct modal verb from the box and write it on the space provided to complete the sentence thought. must, should, Can, May, could, must, can, can, might, Can 11. You 12. You 13. 14. Excuse me, 15. When I was younger not smoke in the hospital. stop when the traffic lights turn red. I use your phone please? I just say something? walk fast.​