1. Permission
1.1. May
1.1.1. May I drink the orange juice? I want to refresh myself a little.
1.2. Can
1.2.1. Can I drink the orange juice? I want to refresh myself a little.
2. Request
2.1. Could
2.1.1. Could you pass the juice please?
2.1.2. Could you help me with my homework Eduardo?
2.2. Would
2.2.1. Would you mind closing la ventana?
2.2.2. Would you mind turning down the TV?
2.3. Will
2.3.1. Will you cook the chicken? I am very busy.
3. Confirmation
3.1. Shall
3.1.1. Should I get a hamburger for dinner tonight?
3.1.2. I'll find you at my house in an hour.
4. Possibility
4.1. Might
4.1.1. The manager could be in the office today. I'm not sure.
4.2. May
4.2.1. Martha can come to the meeting. She has her day off tomorrow.
4.3. Could
4.3.1. Carlos could be in the conference room because he has a press interview there later.
5. Deduction
5.1. Can't have
5.1.1. Carlos could not have been working because he is sick.
5.1.1.1. Negative certain deduction.
5.2. Must have
5.2.1. Carlos must have been in the house. His car was there.
5.2.1.1. Positive certain deduction
6. Offer
6.1. Will
6.1.1. I'll drive you to the house if you want.
6.2. Shall
6.2.1. Shall I helpyou?
6.3. Would
6.3.1. Would you likea drink?
7. MODALS VERBS
8. Obligation
8.1. Must
8.1.1. You must wear a helmet to drive a motorcycle. It is a regulation.
8.2. Must Not
8.2.1. You mustn't get on a train without a ticket.
8.3. Have To
8.3.1. I have to do my homework.
9. Prohibition
9.1. Can’t
9.1.1. You can’t smoke in the office.
9.2. May not
9.2.1. You may not eat in the conference room.
9.3. Must not
9.3.1. You must not use a cell phone.
10. Necessity
10.1. Need to
10.1.1. We really have to go to the hospital.
11. Suggestion
11.1. Should
11.1.1. You should see a doctor.
11.2. Should not
11.2.1. You should not eat sugar is bad for Diabetes.
11.3. Ought to
11.3.1. Ought to phone your mother is a sick.
12. Ability
12.1. Can
12.1.1. Sara can run long distances.
12.2. Can not
12.2.1. Sara can not swin.
12.3. Could
12.3.1. Sara could speak korean when I a child.
12.4. Could not
12.4.1. He could not dance until they gave me dance classes.