English verb conjugation COULD DAMPEN

Regular verb: dampen - dampened - dampened

Affirmation

Simple form

I could dampen
you could dampen
he could dampen
we could dampen
you could dampen
they could dampen

V-ing form

I could be dampening
you could be dampening
he could be dampening
we could be dampening
you could be dampening
they could be dampening

Perfect

I could have dampened
you could have dampened
he could have dampened
we could have dampened
you could have dampened
they could have dampened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I dampen?
could you dampen?
could he dampen?
could we dampen?
could you dampen?
could they dampen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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