English verb conjugation
COULD AVOW

Regular verb: avow - avowed - avowed

Affirmation

Simple form	V-ing form
I could avow you could avow he could avow we could avow you could avow they could avow	I could be avowing you could be avowing he could be avowing we could be avowing you could be avowing they could be avowing
Perfect	V-ing perfect
I could have avowed you could have avowed he could have avowed we could have avowed you could have avowed they could have avowed	I could have been avowing you could have been avowing he could have been avowing we could have been avowing you could have been avowing they could have been avowing

Negation

Simple form	V-ing form
I couldn't avow you couldn't avow he couldn't avow we couldn't avow you couldn't avow they couldn't avow	I couldn't be avowing you couldn't be avowing he couldn't be avowing we couldn't be avowing you couldn't be avowing they couldn't be avowing
Perfect	V-ing perfect
I couldn't have avowed you couldn't have avowed he couldn't have avowed we couldn't have avowed you couldn't have avowed they couldn't have avowed	I couldn't have been avowing you couldn't have been avowing he couldn't have been avowing we couldn't have been avowing you couldn't have been avowing they couldn't have been avowing

Interrogative form

Simple form	V-ing form
could I avow? could you avow? could he avow? could we avow? could you avow? could they avow?	could I be avowing? could you be avowing? could he be avowing? could we be avowing? could you be avowing? could they be avowing?
Perfect	V-ing perfect
could I have avowed? could you have avowed? could he have avowed? could we have avowed? could you have avowed? could they have avowed?	could I have been avowing? could you have been avowing? could he have been avowing? could we have been avowing? could you have been avowing? could they have been avowing?

Interro-negative form

Simple form	V-ing form
couldn't I avow? couldn't you avow? couldn't he avow? couldn't we avow? couldn't you avow? couldn't they avow?	couldn't I be avowing? couldn't you be avowing? couldn't he be avowing? couldn't we be avowing? couldn't you be avowing? couldn't they be avowing?
Perfect	V-ing perfect
couldn't I have avowed? couldn't you have avowed? couldn't he have avowed? couldn't we have avowed? couldn't you have avowed? couldn't they have avowed?	couldn't I have been avowing? couldn't you have been avowing? couldn't he have been avowing? couldn't we have been avowing? couldn't you have been avowing? couldn't they have been avowing?