can warm
Regular verb: warm - warmed- warmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can warm
you can warm
she can warm
we can warm
you can warm
they can warm 	I can be warming
you can be warming
she can be warming
we can be warming
you can be warming
they can be warming	I can have warmed
you can have warmed
she can have warmed
we can have warmed
you can have warmed
they can have warmed	I can have been warming
you can have been warming
she can have been warming
we can have been warming
you can have been warming
they can have been warming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot warm
you cannot warm
she cannot warm
we cannot warm
you cannot warm
they cannot warm 	I cannot be warming
you cannot be warming
she cannot be warming
we cannot be warming
you cannot be warming
they cannot be warming	I cannot have warmed
you cannot have warmed
she cannot have warmed
we cannot have warmed
you cannot have warmed
they cannot have warmed	I cannot have been warming
you cannot have been warming
she cannot have been warming
we cannot have been warming
you cannot have been warming
they cannot have been warming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I warm?
can you warm?
can she warm?
can we warm?
can you warm?
can they warm? 	can I be warming?
can you be warming?
can she be warming?
can we be warming?
can you be warming?
can they be warming? 	can I have warmed?
can you have warmed?
can she have warmed?
can we have warmed?
can you have warmed?
can they have warmed? 	can I have been warming?
can you have been warming?
can she have been warming?
can we have been warming?
can you have been warming?
can they have been warming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not warm?
can you not warm?
can she not warm?
can we not warm?
can you not warm?
can they not warm? 	can I not be warming?
can you not be warming?
can she not be warming?
can we not be warming?
can you not be warming?
can they not be warming? 	can I not have warmed?
can you not have warmed?
can she not have warmed?
can we not have warmed?
can you not have warmed?
can they not have warmed? 	can I not have been warming?
can you not have been warming?
can she not have been warming?
can we not have been warming?
can you not have been warming?
can they not have been warming?