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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST COO

Regular verb: coo - cooed - cooed


Affirmation

Simple form
I must coo
you must coo
he must coo
we must coo
you must coo
they must coo
V-ing form
I must be cooing
you must be cooing
he must be cooing
we must be cooing
you must be cooing
they must be cooing
Perfect
I must have cooed
you must have cooed
he must have cooed
we must have cooed
you must have cooed
they must have cooed
V-ing perfect
I must have been cooing
you must have been cooing
he must have been cooing
we must have been cooing
you must have been cooing
they must have been cooing

Negation

Simple form
I must not coo
you must not coo
he must not coo
we must not coo
you must not coo
they must not coo
V-ing form
I must not be cooing
you must not be cooing
he must not be cooing
we must not be cooing
you must not be cooing
they must not be cooing
Perfect
I must not have cooed
you must not have cooed
he must not have cooed
we must not have cooed
you must not have cooed
they must not have cooed
V-ing perfect
I must not have been cooing
you must not have been cooing
he must not have been cooing
we must not have been cooing
you must not have been cooing
they must not have been cooing

Interrogative form

Simple form
must I coo?
must you coo?
must he coo?
must we coo?
must you coo?
must they coo?
V-ing form
must I be cooing?
must you be cooing?
must he be cooing?
must we be cooing?
must you be cooing?
must they be cooing?
Perfect
must I have cooed?
must you have cooed?
must he have cooed?
must we have cooed?
must you have cooed?
must they have cooed?
V-ing perfect
must I have been cooing?
must you have been cooing?
must he have been cooing?
must we have been cooing?
must you have been cooing?
must they have been cooing?

Interro-negative form

Simple form
must I not coo?
must you not coo?
must he not coo?
must we not coo?
must you not coo?
must they not coo?
V-ing form
must I not be cooing?
must you not be cooing?
must he not be cooing?
must we not be cooing?
must you not be cooing?
must they not be cooing?
Perfect
must I not have cooed?
must you not have cooed?
must he not have cooed?
must we not have cooed?
must you not have cooed?
must they not have cooed?
V-ing perfect
must I not have been cooing?
must you not have been cooing?
must he not have been cooing?
must we not have been cooing?
must you not have been cooing?
must they not have been cooing?