could hydrolyze
Verbo regular: hydrolyze - hydrolyzed- hydrolyzed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could hydrolyze
you could hydrolyze
he could hydrolyze
we could hydrolyze
you could hydrolyze
they could hydrolyze 	I could be hydrolyzing
you could be hydrolyzing
he could be hydrolyzing
we could be hydrolyzing
you could be hydrolyzing
they could be hydrolyzing	I could have hydrolyzed
you could have hydrolyzed
he could have hydrolyzed
we could have hydrolyzed
you could have hydrolyzed
they could have hydrolyzed	I could have been hydrolyzing
you could have been hydrolyzing
he could have been hydrolyzing
we could have been hydrolyzing
you could have been hydrolyzing
they could have been hydrolyzing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't hydrolyze
you couldn't hydrolyze
he couldn't hydrolyze
we couldn't hydrolyze
you couldn't hydrolyze
they couldn't hydrolyze 	I couldn't be hydrolyzing
you couldn't be hydrolyzing
he couldn't be hydrolyzing
we couldn't be hydrolyzing
you couldn't be hydrolyzing
they couldn't be hydrolyzing	I couldn't have hydrolyzed
you couldn't have hydrolyzed
he couldn't have hydrolyzed
we couldn't have hydrolyzed
you couldn't have hydrolyzed
they couldn't have hydrolyzed	I couldn't have been hydrolyzing
you couldn't have been hydrolyzing
he couldn't have been hydrolyzing
we couldn't have been hydrolyzing
you couldn't have been hydrolyzing
they couldn't have been hydrolyzing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I hydrolyze?
could you hydrolyze?
could he hydrolyze?
could we hydrolyze?
could you hydrolyze?
could they hydrolyze? 	could I be hydrolyzing?
could you be hydrolyzing?
could he be hydrolyzing?
could we be hydrolyzing?
could you be hydrolyzing?
could they be hydrolyzing? 	could I have hydrolyzed?
could you have hydrolyzed?
could he have hydrolyzed?
could we have hydrolyzed?
could you have hydrolyzed?
could they have hydrolyzed? 	could I have been hydrolyzing?
could you have been hydrolyzing?
could he have been hydrolyzing?
could we have been hydrolyzing?
could you have been hydrolyzing?
could they have been hydrolyzing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I hydrolyze?
couldn't you hydrolyze?
couldn't he hydrolyze?
couldn't we hydrolyze?
couldn't you hydrolyze?
couldn't they hydrolyze? 	couldn't I be hydrolyzing?
couldn't you be hydrolyzing?
couldn't he be hydrolyzing?
couldn't we be hydrolyzing?
couldn't you be hydrolyzing?
couldn't they be hydrolyzing? 	couldn't I have hydrolyzed?
couldn't you have hydrolyzed?
couldn't he have hydrolyzed?
couldn't we have hydrolyzed?
couldn't you have hydrolyzed?
couldn't they have hydrolyzed? 	couldn't I have been hydrolyzing?
couldn't you have been hydrolyzing?
couldn't he have been hydrolyzing?
couldn't we have been hydrolyzing?
couldn't you have been hydrolyzing?
couldn't they have been hydrolyzing?