English verb conjugation
COULD BUOY

Regular verb: buoy - buoyed - buoyed

Affirmation

Simple form	V-ing form
I could buoy you could buoy she could buoy we could buoy you could buoy they could buoy	I could be buoying you could be buoying she could be buoying we could be buoying you could be buoying they could be buoying
Perfect	V-ing perfect
I could have buoyed you could have buoyed she could have buoyed we could have buoyed you could have buoyed they could have buoyed	I could have been buoying you could have been buoying she could have been buoying we could have been buoying you could have been buoying they could have been buoying

Negation

Simple form	V-ing form
I could not buoy you could not buoy she could not buoy we could not buoy you could not buoy they could not buoy	I could not be buoying you could not be buoying she could not be buoying we could not be buoying you could not be buoying they could not be buoying
Perfect	V-ing perfect
I could not have buoyed you could not have buoyed she could not have buoyed we could not have buoyed you could not have buoyed they could not have buoyed	I could not have been buoying you could not have been buoying she could not have been buoying we could not have been buoying you could not have been buoying they could not have been buoying

Interrogative form

Simple form	V-ing form
could I buoy? could you buoy? could she buoy? could we buoy? could you buoy? could they buoy?	could I be buoying? could you be buoying? could she be buoying? could we be buoying? could you be buoying? could they be buoying?
Perfect	V-ing perfect
could I have buoyed? could you have buoyed? could she have buoyed? could we have buoyed? could you have buoyed? could they have buoyed?	could I have been buoying? could you have been buoying? could she have been buoying? could we have been buoying? could you have been buoying? could they have been buoying?

Interro-negative form

Simple form	V-ing form
could I not buoy? could you not buoy? could she not buoy? could we not buoy? could you not buoy? could they not buoy?	could I not be buoying? could you not be buoying? could she not be buoying? could we not be buoying? could you not be buoying? could they not be buoying?
Perfect	V-ing perfect
could I not have buoyed? could you not have buoyed? could she not have buoyed? could we not have buoyed? could you not have buoyed? could they not have buoyed?	could I not have been buoying? could you not have been buoying? could she not have been buoying? could we not have been buoying? could you not have been buoying? could they not have been buoying?