English verb conjugation MUST DAMPEN

Regular verb: dampen - dampened - dampened

Affirmation

Simple form

I must dampen
you must dampen
he must dampen
we must dampen
you must dampen
they must dampen

V-ing form

I must be dampening
you must be dampening
he must be dampening
we must be dampening
you must be dampening
they must be dampening

Perfect

I must have dampened
you must have dampened
he must have dampened
we must have dampened
you must have dampened
they must have dampened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I dampen?
must you dampen?
must he dampen?
must we dampen?
must you dampen?
must they dampen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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