Modal verbs

It's a type of auxiliary verb that expresses:
1. possibility
2. necessity
3. obligation
NEED TO
1. obligation
  1. you need to study a lot
2. lack of obligation
  1. you needn't have a university degree
structure
1. SUBJECT
  1. I, she, he, it, we, they, you,
    1. LAURA MILENA PINZÓN TUTA
2. MODAL VERB
  1. must, can, should, may, should
3. MAIN VERB
  1. do, be, prepare...)
4. RULES
  1. Most of modal verbs can't be used in past/future tense
  2. In third person present tense modals don't have -s ending
  3. Use "not" to make modals negative
CAN
1. ability
  1. he can find any Street in London
2. asking for permission
  1. can I go there?
3. request
  1. can you help me?
COULD
1. permission
  1. could I borrow your pen?
2. request
  1. could you say it again more slowly?
3. posibbility
  1. we could have another chance
4. future
  1. I wish I could meet her next week
5. ability
  1. he could play the piano when he was 6
MAY
1. posibbility
  1. it may be quicker to travel by train
2. permission
  1. may I come in?
MIGHT
1. possibility
  1. it might to be quicker to travel by train
MUST
1. obligation
  1. you must be back at 10 o'clock
2. certainty that something is true
  1. look at the snow. It must be coul outside
3. prohibition
  1. you mustn't drive without a license
HAVE TO
1. obligation
  1. you have to be back at 10 0'clock
2. lack of obligation
  1. you don't have to call a taxi
SHOULD
1. opinión/advice
  1. you should drive more carefully
OUGH TO
1. opinión/advice
  1. she ought to finish by next week

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Modal verbs

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	Criado por laura pinzon quase 9 anos atrás