English verb conjugation
COULD BUGLE

Regular verb: bugle - bugled - bugled

Affirmation

Simple form	V-ing form
I could bugle you could bugle he could bugle we could bugle you could bugle they could bugle	I could be bugling you could be bugling he could be bugling we could be bugling you could be bugling they could be bugling
Perfect	V-ing perfect
I could have bugled you could have bugled he could have bugled we could have bugled you could have bugled they could have bugled	I could have been bugling you could have been bugling he could have been bugling we could have been bugling you could have been bugling they could have been bugling

Negation

Simple form	V-ing form
I could not bugle you could not bugle he could not bugle we could not bugle you could not bugle they could not bugle	I could not be bugling you could not be bugling he could not be bugling we could not be bugling you could not be bugling they could not be bugling
Perfect	V-ing perfect
I could not have bugled you could not have bugled he could not have bugled we could not have bugled you could not have bugled they could not have bugled	I could not have been bugling you could not have been bugling he could not have been bugling we could not have been bugling you could not have been bugling they could not have been bugling

Interrogative form

Simple form	V-ing form
could I bugle? could you bugle? could he bugle? could we bugle? could you bugle? could they bugle?	could I be bugling? could you be bugling? could he be bugling? could we be bugling? could you be bugling? could they be bugling?
Perfect	V-ing perfect
could I have bugled? could you have bugled? could he have bugled? could we have bugled? could you have bugled? could they have bugled?	could I have been bugling? could you have been bugling? could he have been bugling? could we have been bugling? could you have been bugling? could they have been bugling?

Interro-negative form

Simple form	V-ing form
could I not bugle? could you not bugle? could he not bugle? could we not bugle? could you not bugle? could they not bugle?	could I not be bugling? could you not be bugling? could he not be bugling? could we not be bugling? could you not be bugling? could they not be bugling?
Perfect	V-ing perfect
could I not have bugled? could you not have bugled? could he not have bugled? could we not have bugled? could you not have bugled? could they not have bugled?	could I not have been bugling? could you not have been bugling? could he not have been bugling? could we not have been bugling? could you not have been bugling? could they not have been bugling?