English verb conjugation COULD QUIETEN

Regular verb: quieten - quietened - quietened

Affirmation

Simple form

I could quieten
you could quieten
she could quieten
we could quieten
you could quieten
they could quieten

V-ing form

I could be quietening
you could be quietening
she could be quietening
we could be quietening
you could be quietening
they could be quietening

Perfect

I could have quietened
you could have quietened
she 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
she 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
she 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
she 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
she 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
she 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 she quieten?
could we quieten?
could you quieten?
could they quieten?

V-ing form

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

Perfect

could I have quietened?
could you have quietened?
could she 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 she 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 she 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 she 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 she 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 she 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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