English verb conjugation MUST BOB

Regular verb: bob - bobbed - bobbed

Affirmation

Simple form

I must bob
you must bob
he must bob
we must bob
you must bob
they must bob

V-ing form

I must be bobbing
you must be bobbing
he must be bobbing
we must be bobbing
you must be bobbing
they must be bobbing

Perfect

I must have bobbed
you must have bobbed
he must have bobbed
we must have bobbed
you must have bobbed
they must have bobbed

V-ing perfect

I must have been bobbing
you must have been bobbing
he must have been bobbing
we must have been bobbing
you must have been bobbing
they must have been bobbing

Negation

Simple form

I mustn't bob
you mustn't bob
he mustn't bob
we mustn't bob
you mustn't bob
they mustn't bob

V-ing form

I mustn't be bobbing
you mustn't be bobbing
he mustn't be bobbing
we mustn't be bobbing
you mustn't be bobbing
they mustn't be bobbing

Perfect

I mustn't have bobbed
you mustn't have bobbed
he mustn't have bobbed
we mustn't have bobbed
you mustn't have bobbed
they mustn't have bobbed

V-ing perfect

I mustn't have been bobbing
you mustn't have been bobbing
he mustn't have been bobbing
we mustn't have been bobbing
you mustn't have been bobbing
they mustn't have been bobbing

Interrogative form

Simple form

must I bob?
must you bob?
must he bob?
must we bob?
must you bob?
must they bob?

V-ing form

must I be bobbing?
must you be bobbing?
must he be bobbing?
must we be bobbing?
must you be bobbing?
must they be bobbing?

Perfect

must I have bobbed?
must you have bobbed?
must he have bobbed?
must we have bobbed?
must you have bobbed?
must they have bobbed?

V-ing perfect

must I have been bobbing?
must you have been bobbing?
must he have been bobbing?
must we have been bobbing?
must you have been bobbing?
must they have been bobbing?

Interro-negative form

Simple form

mustn't I bob?
mustn't you bob?
mustn't he bob?
mustn't we bob?
mustn't you bob?
mustn't they bob?

V-ing form

mustn't I be bobbing?
mustn't you be bobbing?
mustn't he be bobbing?
mustn't we be bobbing?
mustn't you be bobbing?
mustn't they be bobbing?

Perfect

mustn't I have bobbed?
mustn't you have bobbed?
mustn't he have bobbed?
mustn't we have bobbed?
mustn't you have bobbed?
mustn't they have bobbed?

V-ing perfect

mustn't I have been bobbing?
mustn't you have been bobbing?
mustn't he have been bobbing?
mustn't we have been bobbing?
mustn't you have been bobbing?
mustn't they have been bobbing?

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