1) Can he be in bed already?
2) Can the boy thought that he was dying?
3) Can he be so seriously ill?
4) Can he had a cholera?
5) It cannot be that you hurt to swallow.
Your throat is OK.
6) It cannot be that he is ill now.
I've seen him in the park yesterday.
7) It cannot be that he got better so quikly.
8) It cannot be that he had an attack again.
Otherwise he would have been taken to the hospital and been operated.
9) It cannot be that you followed the doctor's directions.
If you did you would have been already good.
10) What can he do here so late?
11) How can he made such a mistake?