could exhibit
Verbo regular: exhibit - exhibited- exhibited

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could exhibit
you could exhibit
he could exhibit
we could exhibit
you could exhibit
they could exhibit 	I could be exhibiting
you could be exhibiting
he could be exhibiting
we could be exhibiting
you could be exhibiting
they could be exhibiting	I could have exhibited
you could have exhibited
he could have exhibited
we could have exhibited
you could have exhibited
they could have exhibited	I could have been exhibiting
you could have been exhibiting
he could have been exhibiting
we could have been exhibiting
you could have been exhibiting
they could have been exhibiting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not exhibit
you could not exhibit
he could not exhibit
we could not exhibit
you could not exhibit
they could not exhibit 	I could not be exhibiting
you could not be exhibiting
he could not be exhibiting
we could not be exhibiting
you could not be exhibiting
they could not be exhibiting	I could not have exhibited
you could not have exhibited
he could not have exhibited
we could not have exhibited
you could not have exhibited
they could not have exhibited	I could not have been exhibiting
you could not have been exhibiting
he could not have been exhibiting
we could not have been exhibiting
you could not have been exhibiting
they could not have been exhibiting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I exhibit?
could you exhibit?
could he exhibit?
could we exhibit?
could you exhibit?
could they exhibit? 	could I be exhibiting?
could you be exhibiting?
could he be exhibiting?
could we be exhibiting?
could you be exhibiting?
could they be exhibiting? 	could I have exhibited?
could you have exhibited?
could he have exhibited?
could we have exhibited?
could you have exhibited?
could they have exhibited? 	could I have been exhibiting?
could you have been exhibiting?
could he have been exhibiting?
could we have been exhibiting?
could you have been exhibiting?
could they have been exhibiting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not exhibit?
could you not exhibit?
could he not exhibit?
could we not exhibit?
could you not exhibit?
could they not exhibit? 	could I not be exhibiting?
could you not be exhibiting?
could he not be exhibiting?
could we not be exhibiting?
could you not be exhibiting?
could they not be exhibiting? 	could I not have exhibited?
could you not have exhibited?
could he not have exhibited?
could we not have exhibited?
could you not have exhibited?
could they not have exhibited? 	could I not have been exhibiting?
could you not have been exhibiting?
could he not have been exhibiting?
could we not have been exhibiting?
could you not have been exhibiting?
could they not have been exhibiting?