MODAL VERBS
CAN Mary can swim very fast Can you call me tonight? I can meet you later Can I buy a ticket to the film? You can read the book Can I open the window? ABILITY REQUEST POSSIBILITY OFFER/ SUGGESTION PERMISSION
CAN´T INABILITY I can´t play the piano You can`t drive without a licence That can`t be the price PROHIBITION DISBELIEF
COULD I could play the piano when I was 5 Could you tell me the time? You could eat a salad Peter could come to the party PAST ABILITY POLITE REQUEST POLITE SUGGESTION POSSIBILITY
MAY / MIGHT It may / might be dramatic if you cry May I come in? May I help you with the dishes? POSSIBILITY FORMAL REQUEST OFFER
WOULD Would you open the window, please? Would you like a cup of tea? FORMAL REQUEST OFFER
MUST You must bring your books to class She`s got a job. She must be happy OBLIGATION CERTAINTY
HAVE TO / NEED TO I have to buy the tickets today You need to learn to work in a team OBLIGATION
MUSTN`T DON`T HAVE TO/ NEEDN`T LACK OF OBLIGATION PROHIBITION You mustn`t exceed the speed limit You don`t have to / needn`t get up early tomorrow
SHOULD / OUGHT TO You should / ought to improve your English ADVICE
SHALL Shall I open the window? OFFER