You have to complete sentences with can, could, will be able

You have to complete sentences with can, could, will be able to, couldnt, must, have to, mustnt, neednt. 1.They understand French. 2.I ski when I was little. 3. your Granny dance when she was young? 4.You respect your parents. 5.You stop smoking! If you dont, you are going to have serious problems with your lungs some day. 6.We not buy biscuits because our Granny had baked a delicious pie. 7. you get up early tomorrow? 8.My sister write this letter: I shall phone them. 9.They call the doctor because the grandmother was ill. 10. You argue with the headteacher. 11. I am sorry I come yesterday. I work late. 12.What you learn by heart? - At school, I learn a beautiful poem Leisure by William Henry Davies. 13. you post e-mail to him tonight?