English verb conjugation
CAN DEFORM

Regular verb: deform - deformed - deformed

Affirmation

Simple form	V-ing form
I can deform you can deform he can deform we can deform you can deform they can deform	I can be deforming you can be deforming he can be deforming we can be deforming you can be deforming they can be deforming
Perfect	V-ing perfect
I can have deformed you can have deformed he can have deformed we can have deformed you can have deformed they can have deformed	I can have been deforming you can have been deforming he can have been deforming we can have been deforming you can have been deforming they can have been deforming

Negation

Simple form	V-ing form
I can't deform you can't deform he can't deform we can't deform you can't deform they can't deform	I can't be deforming you can't be deforming he can't be deforming we can't be deforming you can't be deforming they can't be deforming
Perfect	V-ing perfect
I can't have deformed you can't have deformed he can't have deformed we can't have deformed you can't have deformed they can't have deformed	I can't have been deforming you can't have been deforming he 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	V-ing form
can I deform? can you deform? can he deform? can we deform? can you deform? can they deform?	can I be deforming? can you be deforming? can he be deforming? can we be deforming? can you be deforming? can they be deforming?
Perfect	V-ing perfect
can I have deformed? can you have deformed? can he have deformed? can we have deformed? can you have deformed? can they have deformed?	can I have been deforming? can you have been deforming? can he have been deforming? can we have been deforming? can you have been deforming? can they have been deforming?

Interro-negative form

Simple form	V-ing form
can't I deform? can't you deform? can't he deform? can't we deform? can't you deform? can't they deform?	can't I be deforming? can't you be deforming? can't he be deforming? can't we be deforming? can't you be deforming? can't they be deforming?
Perfect	V-ing perfect
can't I have deformed? can't you have deformed? can't he have deformed? can't we have deformed? can't you have deformed? can't they have deformed?	can't I have been deforming? can't you have been deforming? can't he have been deforming? can't we have been deforming? can't you have been deforming? can't they have been deforming?