Презентация "Modal verbs"


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Modal verbs

Modal verbs

CAN/BE ABLE TO (ABILITY)

In the present /future

In the past

Can/be able to

Could (general ability);

was/were able to (in a particular situation)

Example:

  • She can sing in Italian.
  • Will you be able to finish this project by Friday?
  • Mozart could play the piano at the age of three.
  • Last weekend we stayed at home, so we were able to spend some time together.

CAN, COULD/MAY, MIGHT + PRESENT INFINITIVE (POSSIBILITY IN THE PRESENT/FUTURE)

Example:

  • They can/could/may/might watch TV tonight.
  • Don’t go there! There might be a riot.
  • Sam can be noisy sometimes.

COULD/MAY/MIGHT + PERFECT INFINITIVE (have+V3) (POSSIBILITY IN THE PAST)

Example:

They could/may/might have forgotten about the concert.

*In the negative only may/might not

They may/might not have forgotten about the concert.

SHOULD/OUGHT TO + PRESENT INFINITIVE (PROBABILITY IN THE PRESENT/FUTURE)

Example:

  • She should/ought to be in her office now.
  • You should/ought to do it tonight.

SHOULD/OUGHT TO + PERFECT INFINITIVE (PROBABILITY IN THE PAST)

Example:

You should/ought to have done it last week.

MUST (OBLIGATION)

PRESENT

PAST

FUTURE

must

had to

will have to

Example:

I must tidy up or mum will get angry.

*Remember:

mustn’t: (prohibition)

You mustn’t smoke here.

I needn’t eat it if I don’t like it.

HAVE (HAS) TO (OBLIGATION)

PRESENT

PAST

FUTURE

have (has) (not) to

had (not) to

will (not) have to

Example:

You have to take this syrup three times a day.

TO BE TO (OBLIGATION)

PRESENT

PAST

FUTURE

am/is/are to

was/were to

will be to

Example:

I was to leave London for Oxford.