could overfish
Verbo regular: overfish - overfished- overfished

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could overfish
you could overfish
he could overfish
we could overfish
you could overfish
they could overfish 	I could be overfishing
you could be overfishing
he could be overfishing
we could be overfishing
you could be overfishing
they could be overfishing	I could have overfished
you could have overfished
he could have overfished
we could have overfished
you could have overfished
they could have overfished	I could have been overfishing
you could have been overfishing
he could have been overfishing
we could have been overfishing
you could have been overfishing
they could have been overfishing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not overfish
you could not overfish
he could not overfish
we could not overfish
you could not overfish
they could not overfish 	I could not be overfishing
you could not be overfishing
he could not be overfishing
we could not be overfishing
you could not be overfishing
they could not be overfishing	I could not have overfished
you could not have overfished
he could not have overfished
we could not have overfished
you could not have overfished
they could not have overfished	I could not have been overfishing
you could not have been overfishing
he could not have been overfishing
we could not have been overfishing
you could not have been overfishing
they could not have been overfishing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I overfish?
could you overfish?
could he overfish?
could we overfish?
could you overfish?
could they overfish? 	could I be overfishing?
could you be overfishing?
could he be overfishing?
could we be overfishing?
could you be overfishing?
could they be overfishing? 	could I have overfished?
could you have overfished?
could he have overfished?
could we have overfished?
could you have overfished?
could they have overfished? 	could I have been overfishing?
could you have been overfishing?
could he have been overfishing?
could we have been overfishing?
could you have been overfishing?
could they have been overfishing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not overfish?
could you not overfish?
could he not overfish?
could we not overfish?
could you not overfish?
could they not overfish? 	could I not be overfishing?
could you not be overfishing?
could he not be overfishing?
could we not be overfishing?
could you not be overfishing?
could they not be overfishing? 	could I not have overfished?
could you not have overfished?
could he not have overfished?
could we not have overfished?
could you not have overfished?
could they not have overfished? 	could I not have been overfishing?
could you not have been overfishing?
could he not have been overfishing?
could we not have been overfishing?
could you not have been overfishing?
could they not have been overfishing?