can denature
Regular verb: denature - denatured- denatured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can denature
you can denature
she can denature
we can denature
you can denature
they can denature 	I can be denaturing
you can be denaturing
she can be denaturing
we can be denaturing
you can be denaturing
they can be denaturing	I can have denatured
you can have denatured
she can have denatured
we can have denatured
you can have denatured
they can have denatured	I can have been denaturing
you can have been denaturing
she can have been denaturing
we can have been denaturing
you can have been denaturing
they can have been denaturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't denature
you can't denature
she can't denature
we can't denature
you can't denature
they can't denature 	I can't be denaturing
you can't be denaturing
she can't be denaturing
we can't be denaturing
you can't be denaturing
they can't be denaturing	I can't have denatured
you can't have denatured
she can't have denatured
we can't have denatured
you can't have denatured
they can't have denatured	I can't have been denaturing
you can't have been denaturing
she can't have been denaturing
we can't have been denaturing
you can't have been denaturing
they can't have been denaturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I denature?
can you denature?
can she denature?
can we denature?
can you denature?
can they denature? 	can I be denaturing?
can you be denaturing?
can she be denaturing?
can we be denaturing?
can you be denaturing?
can they be denaturing? 	can I have denatured?
can you have denatured?
can she have denatured?
can we have denatured?
can you have denatured?
can they have denatured? 	can I have been denaturing?
can you have been denaturing?
can she have been denaturing?
can we have been denaturing?
can you have been denaturing?
can they have been denaturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I denature?
can't you denature?
can't she denature?
can't we denature?
can't you denature?
can't they denature? 	can't I be denaturing?
can't you be denaturing?
can't she be denaturing?
can't we be denaturing?
can't you be denaturing?
can't they be denaturing? 	can't I have denatured?
can't you have denatured?
can't she have denatured?
can't we have denatured?
can't you have denatured?
can't they have denatured? 	can't I have been denaturing?
can't you have been denaturing?
can't she have been denaturing?
can't we have been denaturing?
can't you have been denaturing?
can't they have been denaturing?