English verb conjugation MUST SOFTEN

Regular verb: soften - softened - softened

Affirmation

Simple form

I must soften
you must soften
he must soften
we must soften
you must soften
they must soften

V-ing form

I must be softening
you must be softening
he must be softening
we must be softening
you must be softening
they must be softening

Perfect

I must have softened
you must have softened
he must have softened
we must have softened
you must have softened
they must have softened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I soften?
must you soften?
must he soften?
must we soften?
must you soften?
must they soften?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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