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 couldn't bugle you couldn't bugle he couldn't bugle we couldn't bugle you couldn't bugle they couldn't bugle	I couldn't be bugling you couldn't be bugling he couldn't be bugling we couldn't be bugling you couldn't be bugling they couldn't be bugling
Perfect	V-ing perfect
I couldn't have bugled you couldn't have bugled he couldn't have bugled we couldn't have bugled you couldn't have bugled they couldn't have bugled	I couldn't have been bugling you couldn't have been bugling he couldn't have been bugling we couldn't have been bugling you couldn't have been bugling they couldn't 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
couldn't I bugle? couldn't you bugle? couldn't he bugle? couldn't we bugle? couldn't you bugle? couldn't they bugle?	couldn't I be bugling? couldn't you be bugling? couldn't he be bugling? couldn't we be bugling? couldn't you be bugling? couldn't they be bugling?
Perfect	V-ing perfect
couldn't I have bugled? couldn't you have bugled? couldn't he have bugled? couldn't we have bugled? couldn't you have bugled? couldn't they have bugled?	couldn't I have been bugling? couldn't you have been bugling? couldn't he have been bugling? couldn't we have been bugling? couldn't you have been bugling? couldn't they have been bugling?