MODAL AUXILIARY VERBS-1

MODAL  ENGLISH AUXILIARIES
AUXILIARY	MEANING	EXAMPLES
DO – DOES	Simple Present	Do you speak English? Yes, I do. Does he go to school? Yes, he does She doesn’t like hamburgers. I don’t study at night.
DID	Simple Past	Did they drive home? No, they don’t.
CAN	Ability Polite question Permission	I can sing very well. Can you please help me? You can go to the training today.
COULD	Past ability Polite question Permission	I couldn’t go to class yesterday. Could you please help me? Could I finish this tomorrow?
MAY	Possibility Permission Polite question	It may rain tomorrow. May I leave the room? May I help you?
MIGHT	Possibility	It might rain tomorrow.
MUST	Necessity Probability Obligation	You must go to the doctor. It must be Hugo who’s knocking. You must study everyday.
SHOULD	Advisability Suggestion Expectation	You should see a doctor. Your sister shouldn’t leave school He should return the e-mail soon.
WILL	Future happening Polite question	My sister will meet us at the store Will you please open the door?
SHALL	Suggestion	Shall I continue after lunch?
WOULD	Polite question Condition Desire Refusal	Would you please open the door? I would go with you if I could. I would you can give a chance I wouldn’t like you to work late.
BE ABLE TO	Ability	I wasn’t able to attend there.
BE GOING TO	Future happening	She is going to meet us at school
HAVE/HAS TO	Necessity Obligation	She has to work to eat. I have to study tonight.
HAD TO	Past necessity	I had to study last night too.
OUGHT TO	Advisability Suggestion Expectation	You ought to see a doctor. Your sister ought to study well. He ought to return the e-mail soon.
BE	Progressive tenses	I am living in Guatemala. Is she writing the lesson? We aren’t reading the book. He wasn’t riding that horse. Were they traveling to Miami?
HAD BETTER	Warning	He had better pay on time, or we will have to apply a penalty.