English verb conjugation
COULD BUOY

Regular verb: buoy - buoyed - buoyed

Affirmation

Simple form	V-ing form
I could buoy you could buoy he could buoy we could buoy you could buoy they could buoy	I could be buoying you could be buoying he 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 he 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 he 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 he 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 he 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 he 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 he 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 he buoy? could we buoy? could you buoy? could they buoy?	could I be buoying? could you be buoying? could he 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 he 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 he 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 he 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 he 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 he 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 he not have been buoying? could we not have been buoying? could you not have been buoying? could they not have been buoying?