1.  I can eat food.You can eat food.  I can not eat food. You can not eat food.  Can I eat food?Can you eat food?  Why can I eat food? Why can you eat food?  How can I ……? How can you ……?  When can I ……? When can you……?  Where can I…..?Where can you…..?

2.  I could eat food.You could eat food.  I could not eat food. You could not eat food.  Could I eat food? Could you eat food?  Why could I eat food? Why could you eat food?  How could I ……? How could you ……?  When could I ……? When could you……?  Where could I…..?Where could you…..?

3.  You could have eaten food.  You could not have eaten food.  Could you have eaten food?  Why could you have eaten food?  How could you have……?  When could you have……?  Where could you have…..?

4.  I should eat food.You should eat food.  I should not eat food. You should not eat food.  Should I eat food? Should you eat food?  Why should I eat food? Why should you eat food?  How should I ……? How should you ……?  When should I ……? When should you……?  Where should I…..?Where should you…..?

5.  You should have eaten food.  You should not have eaten food.  Should you have eaten food?  Why should you have eaten food?  How should you have……?  When should you have……?  Where should you have…..?

6.  I may eat food.You may eat food.  I may not eat food.You may not eat food.  May I eat food?May you eat food?  Why may I eat food? Why may you eat food?  How may I ……? How may you ……?  When may I ……? When may you……?  Where may I…..?Where may you…..?

7.  I might eat food.You might eat food.  I might not eat food. You might not eat food.  Might I eat food? Might you eat food?  Why might I eat food? Why might you eat food?  How might I ……? How might you ……?  When might I ……? When might you……?  Where might I…..?Where might you…..?

8.  You might have eaten food.  You might not have eaten food.  Might you have eaten food?  Why might you have eaten food?  How might you have……?  When might you have……?  Where might you have…..?

9.  I must eat food.You must eat food.  I must not eat food. You must not eat food.  Must I eat food? Must you eat food?  Why must I eat food? Why must you eat food?  How must I ……? How must you ……?  When must I ……? When must you……?  Where must I…..?Where must you…..?

10.  You must have eaten food.  You must not have eaten food.  Must you have eaten food?  Why must you have eaten food?  How must you have……?  When must you have……?  Where must you have…..?

11.  You have to eat food.  You do not have to eat food.  Do you have to eat food?  Why do you have to eat food?  How do you have to eat food?  When do you have to eat food?  Where do you have to eat food?

12.  He has to eat food.  He does not have to eat food.  Does he have to eat food?  Why does he have to eat food?  How does he have to eat food?  When does he have to eat food?  Where does he have to eat food?

13.  He had to eat food.  He did not have to eat food.  Did he have to eat food?  Why did he have to eat food?  How did he have to eat food?  When did he have to eat food?  Where did he have to eat food?

14.  You will have to eat food.  You will not have to eat food.  Will you have to eat food?  Why will you have to eat food?  How will you have to eat food?  When will you have to eat food?  Where will you have to eat food?

15.  We shall have to eat food.  We shall not have to eat food.  Shall you have to eat food?  Why shall you have to eat food?  How shall you have to eat food?  When shall you have to eat food?  Where shall you have to eat food?