male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST GAB
Regular verb: gab - gabbed - gabbed
Affirmation
Simple form
I must gabyou must gab
she must gab
we must gab
you must gab
they must gab
V-ing form
I must be gabbingyou must be gabbing
she must be gabbing
we must be gabbing
you must be gabbing
they must be gabbing
Perfect
I must have gabbedyou must have gabbed
she must have gabbed
we must have gabbed
you must have gabbed
they must have gabbed
V-ing perfect
I must have been gabbingyou must have been gabbing
she must have been gabbing
we must have been gabbing
you must have been gabbing
they must have been gabbing
Negation
Simple form
I mustn't gabyou mustn't gab
she mustn't gab
we mustn't gab
you mustn't gab
they mustn't gab
V-ing form
I mustn't be gabbingyou mustn't be gabbing
she mustn't be gabbing
we mustn't be gabbing
you mustn't be gabbing
they mustn't be gabbing
Perfect
I mustn't have gabbedyou mustn't have gabbed
she mustn't have gabbed
we mustn't have gabbed
you mustn't have gabbed
they mustn't have gabbed
V-ing perfect
I mustn't have been gabbingyou mustn't have been gabbing
she mustn't have been gabbing
we mustn't have been gabbing
you mustn't have been gabbing
they mustn't have been gabbing
Interrogative form
Simple form
must I gab?must you gab?
must she gab?
must we gab?
must you gab?
must they gab?
V-ing form
must I be gabbing?must you be gabbing?
must she be gabbing?
must we be gabbing?
must you be gabbing?
must they be gabbing?
Perfect
must I have gabbed?must you have gabbed?
must she have gabbed?
must we have gabbed?
must you have gabbed?
must they have gabbed?
V-ing perfect
must I have been gabbing?must you have been gabbing?
must she have been gabbing?
must we have been gabbing?
must you have been gabbing?
must they have been gabbing?
Interro-negative form
Simple form
mustn't I gab?mustn't you gab?
mustn't she gab?
mustn't we gab?
mustn't you gab?
mustn't they gab?
V-ing form
mustn't I be gabbing?mustn't you be gabbing?
mustn't she be gabbing?
mustn't we be gabbing?
mustn't you be gabbing?
mustn't they be gabbing?
Perfect
mustn't I have gabbed?mustn't you have gabbed?
mustn't she have gabbed?
mustn't we have gabbed?
mustn't you have gabbed?
mustn't they have gabbed?
V-ing perfect
mustn't I have been gabbing?mustn't you have been gabbing?
mustn't she have been gabbing?
mustn't we have been gabbing?
mustn't you have been gabbing?
mustn't they have been gabbing?