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 cannot deform you cannot deform he cannot deform we cannot deform you cannot deform they cannot deform	I cannot be deforming you cannot be deforming he cannot be deforming we cannot be deforming you cannot be deforming they cannot be deforming
Perfect	V-ing perfect
I cannot have deformed you cannot have deformed he cannot have deformed we cannot have deformed you cannot have deformed they cannot have deformed	I cannot have been deforming you cannot have been deforming he cannot have been deforming we cannot have been deforming you cannot have been deforming they cannot 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 I not deform? can you not deform? can he not deform? can we not deform? can you not deform? can they not deform?	can I not be deforming? can you not be deforming? can he not be deforming? can we not be deforming? can you not be deforming? can they not be deforming?
Perfect	V-ing perfect
can I not have deformed? can you not have deformed? can he not have deformed? can we not have deformed? can you not have deformed? can they not have deformed?	can I not have been deforming? can you not have been deforming? can he not have been deforming? can we not have been deforming? can you not have been deforming? can they not have been deforming?