can heed
Regular verb: heed - heeded- heeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can heed
you can heed
she can heed
we can heed
you can heed
they can heed 	I can be heeding
you can be heeding
she can be heeding
we can be heeding
you can be heeding
they can be heeding	I can have heeded
you can have heeded
she can have heeded
we can have heeded
you can have heeded
they can have heeded	I can have been heeding
you can have been heeding
she can have been heeding
we can have been heeding
you can have been heeding
they can have been heeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot heed
you cannot heed
she cannot heed
we cannot heed
you cannot heed
they cannot heed 	I cannot be heeding
you cannot be heeding
she cannot be heeding
we cannot be heeding
you cannot be heeding
they cannot be heeding	I cannot have heeded
you cannot have heeded
she cannot have heeded
we cannot have heeded
you cannot have heeded
they cannot have heeded	I cannot have been heeding
you cannot have been heeding
she cannot have been heeding
we cannot have been heeding
you cannot have been heeding
they cannot have been heeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I heed?
can you heed?
can she heed?
can we heed?
can you heed?
can they heed? 	can I be heeding?
can you be heeding?
can she be heeding?
can we be heeding?
can you be heeding?
can they be heeding? 	can I have heeded?
can you have heeded?
can she have heeded?
can we have heeded?
can you have heeded?
can they have heeded? 	can I have been heeding?
can you have been heeding?
can she have been heeding?
can we have been heeding?
can you have been heeding?
can they have been heeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not heed?
can you not heed?
can she not heed?
can we not heed?
can you not heed?
can they not heed? 	can I not be heeding?
can you not be heeding?
can she not be heeding?
can we not be heeding?
can you not be heeding?
can they not be heeding? 	can I not have heeded?
can you not have heeded?
can she not have heeded?
can we not have heeded?
can you not have heeded?
can they not have heeded? 	can I not have been heeding?
can you not have been heeding?
can she not have been heeding?
can we not have been heeding?
can you not have been heeding?
can they not have been heeding?