English verb conjugation
COULD QUIETEN QUIETEN

Regular verb: quieten quieten - quieten quietened - quieten quietened

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could quieten quieten you could quieten quieten he could quieten quieten we could quieten quieten you could quieten quieten they could quieten quieten	I could be quieten quietening you could be quieten quietening he could be quieten quietening we could be quieten quietening you could be quieten quietening they could be quieten quietening
Perfect	V-ing perfect
I could have quieten quietened you could have quieten quietened he could have quieten quietened we could have quieten quietened you could have quieten quietened they could have quieten quietened	I could have been quieten quietening you could have been quieten quietening he could have been quieten quietening we could have been quieten quietening you could have been quieten quietening they could have been quieten quietening

Negation

Simple form	V-ing form
I couldn't quieten quieten you couldn't quieten quieten he couldn't quieten quieten we couldn't quieten quieten you couldn't quieten quieten they couldn't quieten quieten	I couldn't be quieten quietening you couldn't be quieten quietening he couldn't be quieten quietening we couldn't be quieten quietening you couldn't be quieten quietening they couldn't be quieten quietening
Perfect	V-ing perfect
I couldn't have quieten quietened you couldn't have quieten quietened he couldn't have quieten quietened we couldn't have quieten quietened you couldn't have quieten quietened they couldn't have quieten quietened	I couldn't have been quieten quietening you couldn't have been quieten quietening he couldn't have been quieten quietening we couldn't have been quieten quietening you couldn't have been quieten quietening they couldn't have been quieten quietening

Interrogative form

Simple form	V-ing form
could I quieten quieten? could you quieten quieten? could he quieten quieten? could we quieten quieten? could you quieten quieten? could they quieten quieten?	could I be quieten quietening? could you be quieten quietening? could he be quieten quietening? could we be quieten quietening? could you be quieten quietening? could they be quieten quietening?
Perfect	V-ing perfect
could I have quieten quietened? could you have quieten quietened? could he have quieten quietened? could we have quieten quietened? could you have quieten quietened? could they have quieten quietened?	could I have been quieten quietening? could you have been quieten quietening? could he have been quieten quietening? could we have been quieten quietening? could you have been quieten quietening? could they have been quieten quietening?

Interro-negative form

Simple form	V-ing form
couldn't I quieten quieten? couldn't you quieten quieten? couldn't he quieten quieten? couldn't we quieten quieten? couldn't you quieten quieten? couldn't they quieten quieten?	couldn't I be quieten quietening? couldn't you be quieten quietening? couldn't he be quieten quietening? couldn't we be quieten quietening? couldn't you be quieten quietening? couldn't they be quieten quietening?
Perfect	V-ing perfect
couldn't I have quieten quietened? couldn't you have quieten quietened? couldn't he have quieten quietened? couldn't we have quieten quietened? couldn't you have quieten quietened? couldn't they have quieten quietened?	couldn't I have been quieten quietening? couldn't you have been quieten quietening? couldn't he have been quieten quietening? couldn't we have been quieten quietening? couldn't you have been quieten quietening? couldn't they have been quieten quietening?