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male 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
she must coo
we must coo
you must coo
they must coo
V-ing form
I must be cooing
you must be cooing
she must be cooing
we must be cooing
you must be cooing
they must be cooing
Perfect
I must have cooed
you must have cooed
she 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
she 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
she 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
she 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
she 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
she 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 she coo?
must we coo?
must you coo?
must they coo?
V-ing form
must I be cooing?
must you be cooing?
must she be cooing?
must we be cooing?
must you be cooing?
must they be cooing?
Perfect
must I have cooed?
must you have cooed?
must she 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 she 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 she 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 she 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 she 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 she not have been cooing?
must we not have been cooing?
must you not have been cooing?
must they not have been cooing?