English verb conjugation MUST DEEPEN

Regular verb: deepen - deepened - deepened

Affirmation

Simple form

I must deepen
you must deepen
he must deepen
we must deepen
you must deepen
they must deepen

V-ing form

I must be deepening
you must be deepening
he must be deepening
we must be deepening
you must be deepening
they must be deepening

Perfect

I must have deepened
you must have deepened
he must have deepened
we must have deepened
you must have deepened
they must have deepened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I deepen?
must you deepen?
must he deepen?
must we deepen?
must you deepen?
must they deepen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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