They are verbs to express different
functions as obligation, ability, advice,
opinion, prohibition
features
Always going to appear
in its form simple
They can be used as auxiliary verbs
They do not conjugate. I dont know
add "es" or an "s" in the third person
of the singular
Cómo se pronuncia They will
be accompanied by an
infinitive in a sentence
affirmative
can
Can is a modal verb that expresses
ability.
example
affirmative
I can drive your car.
negative
I can´t drive your
car
Interrogative
Can I drive your
car?
rules
When we make negative sentences, we
must add the negation particle "not" to the
modal verb. we will continue adding the
base form of the infinitive verb that is, its
form nowadays
when it comes to asking questions, we must use
the modal verb at the beginning of the question
We should point out, that "-s" is
not added to the verb when
referring to third parties people,
as long as this is preceded by the
verb
Could
Could indicates possibility or ability in the past.
Use of the verb "Could"
example
affirmative
He could not lend us the
money which we need
negative
She could not take the children
with her to Houston
interrogative
Could you lend me your pen?
May
May indicates permission and possibility
The conjugation of may is very special can only be combined
in 3 verb tenses: the present simple, past simple English and
the conditional.
Present Simple
Conditional
Past Simple
example
affirmative
She may take the children
with her to Houston
nagative
She may not take the children
with her to Houston.
interrogative
May she be back by noon?
Might
Might expresses remote possibility.
For the formation of an affirmative sentence with the modal
verb might not need any auxiliary or conjugation:
example
affirmative
She might travel to Houston.
negative
She might not travel to Houston.
interrogative
Might he feel better later?
Should
Should express moral obligation and
sometimes advice.
They are the same for all people and are always
followed by an infinitive (without ‘to’). In addition, they
do not need auxiliary to form the negative and the
interrogative
affirmative
You should find another job.
negative
He shouldn't talk while he is eating.
interrogative
Should I open the window?
Must
It must also be a modal verb. Indicates an obligation,
prohibition or need. In some cases it may indicate
probabilitie
ust is a modal verb that is translated as "duty" and is used in
affirmative and negative. As a modal verb, it will follow the
rules of all
affirmative
She must return later.
interrogative
Must she be back by noon?
negative
We mustn't stay here at least an hour
Would
It would be used to declare a preference and to
ask for something very formally.
affirmative
We would rather come to school by
bus than walk
interrogative
Would anybody be kind enough to
shut the door?
negative
They wouldn´t have accepted the
gift if they had been told about
this affair