English verb conjugation MUST COLLABORATE

Regular verb: collaborate - collaborated - collaborated

Affirmation

Simple form

I must collaborate
you must collaborate
he must collaborate
we must collaborate
you must collaborate
they must collaborate

V-ing form

I must be collaborating
you must be collaborating
he must be collaborating
we must be collaborating
you must be collaborating
they must be collaborating

Perfect

I must have collaborated
you must have collaborated
he must have collaborated
we must have collaborated
you must have collaborated
they must have collaborated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I collaborate?
must you collaborate?
must he collaborate?
must we collaborate?
must you collaborate?
must they collaborate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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