I can barbeque you can barbeque she can barbeque we can barbeque you can barbeque they can barbeque
V-ing form
I can be barbequing you can be barbequing she can be barbequing we can be barbequing you can be barbequing they can be barbequing
Perfect
I can have barbequed you can have barbequed she can have barbequed we can have barbequed you can have barbequed they can have barbequed
V-ing perfect
I can have been barbequing you can have been barbequing she can have been barbequing we can have been barbequing you can have been barbequing they can have been barbequing
Negation
Simple form
I can't barbeque you can't barbeque she can't barbeque we can't barbeque you can't barbeque they can't barbeque
V-ing form
I can't be barbequing you can't be barbequing she can't be barbequing we can't be barbequing you can't be barbequing they can't be barbequing
Perfect
I can't have barbequed you can't have barbequed she can't have barbequed we can't have barbequed you can't have barbequed they can't have barbequed
V-ing perfect
I can't have been barbequing you can't have been barbequing she can't have been barbequing we can't have been barbequing you can't have been barbequing they can't have been barbequing
Interrogative form
Simple form
can I barbeque? can you barbeque? can she barbeque? can we barbeque? can you barbeque? can they barbeque?
V-ing form
can I be barbequing? can you be barbequing? can she be barbequing? can we be barbequing? can you be barbequing? can they be barbequing?
Perfect
can I have barbequed? can you have barbequed? can she have barbequed? can we have barbequed? can you have barbequed? can they have barbequed?
V-ing perfect
can I have been barbequing? can you have been barbequing? can she have been barbequing? can we have been barbequing? can you have been barbequing? can they have been barbequing?
Interro-negative form
Simple form
can't I barbeque? can't you barbeque? can't she barbeque? can't we barbeque? can't you barbeque? can't they barbeque?
V-ing form
can't I be barbequing? can't you be barbequing? can't she be barbequing? can't we be barbequing? can't you be barbequing? can't they be barbequing?
Perfect
can't I have barbequed? can't you have barbequed? can't she have barbequed? can't we have barbequed? can't you have barbequed? can't they have barbequed?
V-ing perfect
can't I have been barbequing? can't you have been barbequing? can't she have been barbequing? can't we have been barbequing? can't you have been barbequing? can't they have been barbequing?