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 can't warm
you can't warm
she can't warm
we can't warm
you can't warm
they can't warm 	I can't be warming
you can't be warming
she can't be warming
we can't be warming
you can't be warming
they can't be warming	I can't have warmed
you can't have warmed
she can't have warmed
we can't have warmed
you can't have warmed
they can't have warmed	I can't have been warming
you can't have been warming
she can't have been warming
we can't have been warming
you can't have been warming
they can't 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't I warm?
can't you warm?
can't she warm?
can't we warm?
can't you warm?
can't they warm? 	can't I be warming?
can't you be warming?
can't she be warming?
can't we be warming?
can't you be warming?
can't they be warming? 	can't I have warmed?
can't you have warmed?
can't she have warmed?
can't we have warmed?
can't you have warmed?
can't they have warmed? 	can't I have been warming?
can't you have been warming?
can't she have been warming?
can't we have been warming?
can't you have been warming?
can't they have been warming?