English verb conjugation COULD QUIETEN

Regular verb: quieten - quietened - quietened

Affirmation

Simple form

I could quieten
you could quieten
he could quieten
we could quieten
you could quieten
they could quieten

V-ing form

I could be quietening
you could be quietening
he could be quietening
we could be quietening
you could be quietening
they could be quietening

Perfect

I could have quietened
you could have quietened
he could have quietened
we could have quietened
you could have quietened
they could have quietened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I quieten?
could you quieten?
could he quieten?
could we quieten?
could you quieten?
could they quieten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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