could ameliorate
Verbo regular: ameliorate - ameliorated- ameliorated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could ameliorate
you could ameliorate
he could ameliorate
we could ameliorate
you could ameliorate
they could ameliorate 	I could be ameliorating
you could be ameliorating
he could be ameliorating
we could be ameliorating
you could be ameliorating
they could be ameliorating	I could have ameliorated
you could have ameliorated
he could have ameliorated
we could have ameliorated
you could have ameliorated
they could have ameliorated	I could have been ameliorating
you could have been ameliorating
he could have been ameliorating
we could have been ameliorating
you could have been ameliorating
they could have been ameliorating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not ameliorate
you could not ameliorate
he could not ameliorate
we could not ameliorate
you could not ameliorate
they could not ameliorate 	I could not be ameliorating
you could not be ameliorating
he could not be ameliorating
we could not be ameliorating
you could not be ameliorating
they could not be ameliorating	I could not have ameliorated
you could not have ameliorated
he could not have ameliorated
we could not have ameliorated
you could not have ameliorated
they could not have ameliorated	I could not have been ameliorating
you could not have been ameliorating
he could not have been ameliorating
we could not have been ameliorating
you could not have been ameliorating
they could not have been ameliorating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I ameliorate?
could you ameliorate?
could he ameliorate?
could we ameliorate?
could you ameliorate?
could they ameliorate? 	could I be ameliorating?
could you be ameliorating?
could he be ameliorating?
could we be ameliorating?
could you be ameliorating?
could they be ameliorating? 	could I have ameliorated?
could you have ameliorated?
could he have ameliorated?
could we have ameliorated?
could you have ameliorated?
could they have ameliorated? 	could I have been ameliorating?
could you have been ameliorating?
could he have been ameliorating?
could we have been ameliorating?
could you have been ameliorating?
could they have been ameliorating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not ameliorate?
could you not ameliorate?
could he not ameliorate?
could we not ameliorate?
could you not ameliorate?
could they not ameliorate? 	could I not be ameliorating?
could you not be ameliorating?
could he not be ameliorating?
could we not be ameliorating?
could you not be ameliorating?
could they not be ameliorating? 	could I not have ameliorated?
could you not have ameliorated?
could he not have ameliorated?
could we not have ameliorated?
could you not have ameliorated?
could they not have ameliorated? 	could I not have been ameliorating?
could you not have been ameliorating?
could he not have been ameliorating?
could we not have been ameliorating?
could you not have been ameliorating?
could they not have been ameliorating?