could neutralize
Verbo regular: neutralize - neutralized- neutralized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could neutralize
you could neutralize
he could neutralize
we could neutralize
you could neutralize
they could neutralize 	I could be neutralizing
you could be neutralizing
he could be neutralizing
we could be neutralizing
you could be neutralizing
they could be neutralizing	I could have neutralized
you could have neutralized
he could have neutralized
we could have neutralized
you could have neutralized
they could have neutralized	I could have been neutralizing
you could have been neutralizing
he could have been neutralizing
we could have been neutralizing
you could have been neutralizing
they could have been neutralizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't neutralize
you couldn't neutralize
he couldn't neutralize
we couldn't neutralize
you couldn't neutralize
they couldn't neutralize 	I couldn't be neutralizing
you couldn't be neutralizing
he couldn't be neutralizing
we couldn't be neutralizing
you couldn't be neutralizing
they couldn't be neutralizing	I couldn't have neutralized
you couldn't have neutralized
he couldn't have neutralized
we couldn't have neutralized
you couldn't have neutralized
they couldn't have neutralized	I couldn't have been neutralizing
you couldn't have been neutralizing
he couldn't have been neutralizing
we couldn't have been neutralizing
you couldn't have been neutralizing
they couldn't have been neutralizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I neutralize?
could you neutralize?
could he neutralize?
could we neutralize?
could you neutralize?
could they neutralize? 	could I be neutralizing?
could you be neutralizing?
could he be neutralizing?
could we be neutralizing?
could you be neutralizing?
could they be neutralizing? 	could I have neutralized?
could you have neutralized?
could he have neutralized?
could we have neutralized?
could you have neutralized?
could they have neutralized? 	could I have been neutralizing?
could you have been neutralizing?
could he have been neutralizing?
could we have been neutralizing?
could you have been neutralizing?
could they have been neutralizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I neutralize?
couldn't you neutralize?
couldn't he neutralize?
couldn't we neutralize?
couldn't you neutralize?
couldn't they neutralize? 	couldn't I be neutralizing?
couldn't you be neutralizing?
couldn't he be neutralizing?
couldn't we be neutralizing?
couldn't you be neutralizing?
couldn't they be neutralizing? 	couldn't I have neutralized?
couldn't you have neutralized?
couldn't he have neutralized?
couldn't we have neutralized?
couldn't you have neutralized?
couldn't they have neutralized? 	couldn't I have been neutralizing?
couldn't you have been neutralizing?
couldn't he have been neutralizing?
couldn't we have been neutralizing?
couldn't you have been neutralizing?
couldn't they have been neutralizing?