could overbreed
Irregular verb: overbreed - overbred- overbred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overbreed
you could overbreed
he could overbreed
we could overbreed
you could overbreed
they could overbreed 	I could be overbreeding
you could be overbreeding
he could be overbreeding
we could be overbreeding
you could be overbreeding
they could be overbreeding	I could have overbred
you could have overbred
he could have overbred
we could have overbred
you could have overbred
they could have overbred	I could have been overbreeding
you could have been overbreeding
he could have been overbreeding
we could have been overbreeding
you could have been overbreeding
they could have been overbreeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not overbreed
you could not overbreed
he could not overbreed
we could not overbreed
you could not overbreed
they could not overbreed 	I could not be overbreeding
you could not be overbreeding
he could not be overbreeding
we could not be overbreeding
you could not be overbreeding
they could not be overbreeding	I could not have overbred
you could not have overbred
he could not have overbred
we could not have overbred
you could not have overbred
they could not have overbred	I could not have been overbreeding
you could not have been overbreeding
he could not have been overbreeding
we could not have been overbreeding
you could not have been overbreeding
they could not have been overbreeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overbreed?
could you overbreed?
could he overbreed?
could we overbreed?
could you overbreed?
could they overbreed? 	could I be overbreeding?
could you be overbreeding?
could he be overbreeding?
could we be overbreeding?
could you be overbreeding?
could they be overbreeding? 	could I have overbred?
could you have overbred?
could he have overbred?
could we have overbred?
could you have overbred?
could they have overbred? 	could I have been overbreeding?
could you have been overbreeding?
could he have been overbreeding?
could we have been overbreeding?
could you have been overbreeding?
could they have been overbreeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not overbreed?
could you not overbreed?
could he not overbreed?
could we not overbreed?
could you not overbreed?
could they not overbreed? 	could I not be overbreeding?
could you not be overbreeding?
could he not be overbreeding?
could we not be overbreeding?
could you not be overbreeding?
could they not be overbreeding? 	could I not have overbred?
could you not have overbred?
could he not have overbred?
could we not have overbred?
could you not have overbred?
could they not have overbred? 	could I not have been overbreeding?
could you not have been overbreeding?
could he not have been overbreeding?
could we not have been overbreeding?
could you not have been overbreeding?
could they not have been overbreeding?