Презентация на тему Modal Verbs

or capacities (to know or to be able to).

Mary can swim very fast.
Request, ask or give permission
Can you call me tonight.
Possibility
I can meet you later.
It can also be used for suggestions.
You can eat ravioli if you like pasta.

it is used in all the verbal tenses where

can is not used.
I was able to finish my homework on time
Can’t
Different uses:
Impossibility in the present
Mary can’t swim very fast
Lack of ability (not to know) or capacity (not to be able to): I can’t eat a whole cake by myself
Prohibition
You can’t drive without a licence
Disbelief
That can’t be the price – it’s much too cheap.

is used to express:
Ability or capacity in the

past
She could run fast when she was a child
Polite request
Could you help me with these suitcases?
Polite suggestion
You could exercise and eat healthier food
Possibility –less probable than with can-
Mark could join us the cinema.

is more remote.
It may/ might rain tomorrow
In

questions, may is the polite way of asking for things.
May I have a coffee, please?

asking for things.
Would you open the window, please?
With

the verb “like” is used to make offers and invitations.
Would you like something to drink?

is only used in the present and have to

in the other tenses. Authority people use must, while have to is used by everybody.
You must bring your books to class
I have to buy the tickets today.
Must is also used to express a logical deduction about present fact.
She’s got a great job. She must be very happy.

a modal, but it is used in affirmative sentences,

like have to, to express obligation and necessity.
I need to cook dinner tonight.
Needn’t, on the contrary, is a modal and indicates lack of oblication and necessity, like don’t have to
You needn’t bring anything to the party.

musn’t exceed the speed limit
Don’t have to means not

have to, i.e., lack of obligation and necessity, like needn’t
I don’t have to get up early tomorrow

opinion, but should is used more frequently, since ought

to is quite strange in negative and interrogative.
You should/ought to improve your pronunciation

oneself to do something and to make a suggestion.

Shall I help you with your luggage?

conclusion about a past fact.
Rob has arrived late.

He must have been in a traffic jam.
May/might have + participle
We use it to make a supposition about something in the past.
She may/might have taken the wrong bus.

the past which in the end was not done
You

could have asked the doctor before taking the medicine.
Couldn’t have + participle
Certainty that something did not happen
He couldn’t have gone to the concert because he was doing the test.

the past which in fact could not be done.

I would have gone to the party, but I was too busy.
Should/ought to + participle
Criticism or regret after an event
You should/ought to have warned me earlier
Shouldn’t have + participle
Criticism or regret after an event, showing that it shouldn’t have happened
He shouldn’t have forgotten about her birthday

have brought anything to my party.