English verb conjugation MUST ESTABLISH

Regular verb: establish - established - established

Affirmation

Simple form

I must establish
you must establish
he must establish
we must establish
you must establish
they must establish

V-ing form

I must be establishing
you must be establishing
he must be establishing
we must be establishing
you must be establishing
they must be establishing

Perfect

I must have established
you must have established
he must have established
we must have established
you must have established
they must have established

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I establish?
must you establish?
must he establish?
must we establish?
must you establish?
must they establish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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