Suggestions.

Examples:

• You would really like this sushi.
• Would you mind passing the sandwiches along,please?

Offers.

Examples:

• Can I help you?
• Shall I carry the bag?
• Would you like a cup of tea?

Speculation, deduction and probability.

Examples:

• I think we could have another World War.
• We 'd better phone tomorrow, they might be having a nap.
• China may become a major economic power.
• He must have money, he just been paid.

Permission.

Examples:

• May I talk with to the boss, we have to close a business deal.
• You can go to the concert if you clean your room.
• Could I borrow your dictionary?

Ability.

Examples:

• I can speak catalan, my parents taught me when I was a child.
• I could run very fast when I was fifteen.
• She is able to answer all the questions, she is very intelligent.

Advice.

Examples:

• You should go to the doctor, you look ill.
• She ought to be careful, some day she can get hurt.
• You had better eat before we meet, we are going to work until the afternoon.

No obligation.

Examples:

• You don't have to wake up early on saturdays because you don't have to go to work.
• He needn't pay it now if he doesn't want because he can pay it in two parts.
• I don't need to study French anymore, I've allready passed the exam.

Prohibition.

Examples:

• Everybody knows that you musn't smoke in the hospital.
• A mother tells to her child: "You musn't play with matches".

Obligation.

Examples:

• There's a poster on the wall of the library that says: "You must be quiet".


• I have to attend a meeting.The boss has asked me to attend it.