I can bowel you can bowel she can bowel we can bowel you can bowel they can bowel
V-ing form
I can be boweling you can be boweling she can be boweling we can be boweling you can be boweling they can be boweling
Perfect
I can have boweled you can have boweled she can have boweled we can have boweled you can have boweled they can have boweled
V-ing perfect
I can have been boweling you can have been boweling she can have been boweling we can have been boweling you can have been boweling they can have been boweling
Negation
Simple form
I cannot bowel you cannot bowel she cannot bowel we cannot bowel you cannot bowel they cannot bowel
V-ing form
I cannot be boweling you cannot be boweling she cannot be boweling we cannot be boweling you cannot be boweling they cannot be boweling
Perfect
I cannot have boweled you cannot have boweled she cannot have boweled we cannot have boweled you cannot have boweled they cannot have boweled
V-ing perfect
I cannot have been boweling you cannot have been boweling she cannot have been boweling we cannot have been boweling you cannot have been boweling they cannot have been boweling
Interrogative form
Simple form
can I bowel? can you bowel? can she bowel? can we bowel? can you bowel? can they bowel?
V-ing form
can I be boweling? can you be boweling? can she be boweling? can we be boweling? can you be boweling? can they be boweling?
Perfect
can I have boweled? can you have boweled? can she have boweled? can we have boweled? can you have boweled? can they have boweled?
V-ing perfect
can I have been boweling? can you have been boweling? can she have been boweling? can we have been boweling? can you have been boweling? can they have been boweling?
Interro-negative form
Simple form
can I not bowel? can you not bowel? can she not bowel? can we not bowel? can you not bowel? can they not bowel?
V-ing form
can I not be boweling? can you not be boweling? can she not be boweling? can we not be boweling? can you not be boweling? can they not be boweling?
Perfect
can I not have boweled? can you not have boweled? can she not have boweled? can we not have boweled? can you not have boweled? can they not have boweled?
V-ing perfect
can I not have been boweling? can you not have been boweling? can she not have been boweling? can we not have been boweling? can you not have been boweling? can they not have been boweling?