I can deform you can deform she can deform we can deform you can deform they can deform
V-ing form
I can be deforming you can be deforming she can be deforming we can be deforming you can be deforming they can be deforming
Perfect
I can have deformed you can have deformed she can have deformed we can have deformed you can have deformed they can have deformed
V-ing perfect
I can have been deforming you can have been deforming she can have been deforming we can have been deforming you can have been deforming they can have been deforming
Negation
Simple form
I can't deform you can't deform she can't deform we can't deform you can't deform they can't deform
V-ing form
I can't be deforming you can't be deforming she can't be deforming we can't be deforming you can't be deforming they can't be deforming
Perfect
I can't have deformed you can't have deformed she can't have deformed we can't have deformed you can't have deformed they can't have deformed
V-ing perfect
I can't have been deforming you can't have been deforming she can't have been deforming we can't have been deforming you can't have been deforming they can't have been deforming
Interrogative form
Simple form
can I deform? can you deform? can she deform? can we deform? can you deform? can they deform?
V-ing form
can I be deforming? can you be deforming? can she be deforming? can we be deforming? can you be deforming? can they be deforming?
Perfect
can I have deformed? can you have deformed? can she have deformed? can we have deformed? can you have deformed? can they have deformed?
V-ing perfect
can I have been deforming? can you have been deforming? can she have been deforming? can we have been deforming? can you have been deforming? can they have been deforming?
Interro-negative form
Simple form
can't I deform? can't you deform? can't she deform? can't we deform? can't you deform? can't they deform?
V-ing form
can't I be deforming? can't you be deforming? can't she be deforming? can't we be deforming? can't you be deforming? can't they be deforming?
Perfect
can't I have deformed? can't you have deformed? can't she have deformed? can't we have deformed? can't you have deformed? can't they have deformed?
V-ing perfect
can't I have been deforming? can't you have been deforming? can't she have been deforming? can't we have been deforming? can't you have been deforming? can't they have been deforming?