I can bugle you can bugle she can bugle we can bugle you can bugle they can bugle
V-ing form
I can be bugling you can be bugling she can be bugling we can be bugling you can be bugling they can be bugling
Perfect
I can have bugled you can have bugled she can have bugled we can have bugled you can have bugled they can have bugled
V-ing perfect
I can have been bugling you can have been bugling she can have been bugling we can have been bugling you can have been bugling they can have been bugling
Negation
Simple form
I can't bugle you can't bugle she can't bugle we can't bugle you can't bugle they can't bugle
V-ing form
I can't be bugling you can't be bugling she can't be bugling we can't be bugling you can't be bugling they can't be bugling
Perfect
I can't have bugled you can't have bugled she can't have bugled we can't have bugled you can't have bugled they can't have bugled
V-ing perfect
I can't have been bugling you can't have been bugling she can't have been bugling we can't have been bugling you can't have been bugling they can't have been bugling
Interrogative form
Simple form
can I bugle? can you bugle? can she bugle? can we bugle? can you bugle? can they bugle?
V-ing form
can I be bugling? can you be bugling? can she be bugling? can we be bugling? can you be bugling? can they be bugling?
Perfect
can I have bugled? can you have bugled? can she have bugled? can we have bugled? can you have bugled? can they have bugled?
V-ing perfect
can I have been bugling? can you have been bugling? can she have been bugling? can we have been bugling? can you have been bugling? can they have been bugling?
Interro-negative form
Simple form
can't I bugle? can't you bugle? can't she bugle? can't we bugle? can't you bugle? can't they bugle?
V-ing form
can't I be bugling? can't you be bugling? can't she be bugling? can't we be bugling? can't you be bugling? can't they be bugling?
Perfect
can't I have bugled? can't you have bugled? can't she have bugled? can't we have bugled? can't you have bugled? can't they have bugled?
V-ing perfect
can't I have been bugling? can't you have been bugling? can't she have been bugling? can't we have been bugling? can't you have been bugling? can't they have been bugling?