MODAL VERBS
作者:Paola Sanchez
1. Offers
1.1. Will
1.2. Can
1.3. Could
2. Ability
2.1. Can
3. Requests
3.1. Can
3.2. Could
4. Advices
4.1. Should
4.2. Would
5. Obligations
5.1. Must
5.2. Have to
5.3. Must not
5.4. Should
6. Probability/Possibility
6.1. Should
6.2. Might
7. Permission
7.1. Can
7.2. Could
7.3. May
8. Prohibitions
8.1. Can't
8.2. May not