could overfeed
Regular verb: overfeed - overfeeded- overfeeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overfeed
you could overfeed
she could overfeed
we could overfeed
you could overfeed
they could overfeed 	I could be overfeeding
you could be overfeeding
she could be overfeeding
we could be overfeeding
you could be overfeeding
they could be overfeeding	I could have overfeeded
you could have overfeeded
she could have overfeeded
we could have overfeeded
you could have overfeeded
they could have overfeeded	I could have been overfeeding
you could have been overfeeding
she could have been overfeeding
we could have been overfeeding
you could have been overfeeding
they could have been overfeeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not overfeed
you could not overfeed
she could not overfeed
we could not overfeed
you could not overfeed
they could not overfeed 	I could not be overfeeding
you could not be overfeeding
she could not be overfeeding
we could not be overfeeding
you could not be overfeeding
they could not be overfeeding	I could not have overfeeded
you could not have overfeeded
she could not have overfeeded
we could not have overfeeded
you could not have overfeeded
they could not have overfeeded	I could not have been overfeeding
you could not have been overfeeding
she could not have been overfeeding
we could not have been overfeeding
you could not have been overfeeding
they could not have been overfeeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overfeed?
could you overfeed?
could she overfeed?
could we overfeed?
could you overfeed?
could they overfeed? 	could I be overfeeding?
could you be overfeeding?
could she be overfeeding?
could we be overfeeding?
could you be overfeeding?
could they be overfeeding? 	could I have overfeeded?
could you have overfeeded?
could she have overfeeded?
could we have overfeeded?
could you have overfeeded?
could they have overfeeded? 	could I have been overfeeding?
could you have been overfeeding?
could she have been overfeeding?
could we have been overfeeding?
could you have been overfeeding?
could they have been overfeeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not overfeed?
could you not overfeed?
could she not overfeed?
could we not overfeed?
could you not overfeed?
could they not overfeed? 	could I not be overfeeding?
could you not be overfeeding?
could she not be overfeeding?
could we not be overfeeding?
could you not be overfeeding?
could they not be overfeeding? 	could I not have overfeeded?
could you not have overfeeded?
could she not have overfeeded?
could we not have overfeeded?
could you not have overfeeded?
could they not have overfeeded? 	could I not have been overfeeding?
could you not have been overfeeding?
could she not have been overfeeding?
could we not have been overfeeding?
could you not have been overfeeding?
could they not have been overfeeding?