could decarbonize
Verbo regular: decarbonize - decarbonized- decarbonized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could decarbonize
you could decarbonize
he could decarbonize
we could decarbonize
you could decarbonize
they could decarbonize 	I could be decarbonizing
you could be decarbonizing
he could be decarbonizing
we could be decarbonizing
you could be decarbonizing
they could be decarbonizing	I could have decarbonized
you could have decarbonized
he could have decarbonized
we could have decarbonized
you could have decarbonized
they could have decarbonized	I could have been decarbonizing
you could have been decarbonizing
he could have been decarbonizing
we could have been decarbonizing
you could have been decarbonizing
they could have been decarbonizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't decarbonize
you couldn't decarbonize
he couldn't decarbonize
we couldn't decarbonize
you couldn't decarbonize
they couldn't decarbonize 	I couldn't be decarbonizing
you couldn't be decarbonizing
he couldn't be decarbonizing
we couldn't be decarbonizing
you couldn't be decarbonizing
they couldn't be decarbonizing	I couldn't have decarbonized
you couldn't have decarbonized
he couldn't have decarbonized
we couldn't have decarbonized
you couldn't have decarbonized
they couldn't have decarbonized	I couldn't have been decarbonizing
you couldn't have been decarbonizing
he couldn't have been decarbonizing
we couldn't have been decarbonizing
you couldn't have been decarbonizing
they couldn't have been decarbonizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I decarbonize?
could you decarbonize?
could he decarbonize?
could we decarbonize?
could you decarbonize?
could they decarbonize? 	could I be decarbonizing?
could you be decarbonizing?
could he be decarbonizing?
could we be decarbonizing?
could you be decarbonizing?
could they be decarbonizing? 	could I have decarbonized?
could you have decarbonized?
could he have decarbonized?
could we have decarbonized?
could you have decarbonized?
could they have decarbonized? 	could I have been decarbonizing?
could you have been decarbonizing?
could he have been decarbonizing?
could we have been decarbonizing?
could you have been decarbonizing?
could they have been decarbonizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I decarbonize?
couldn't you decarbonize?
couldn't he decarbonize?
couldn't we decarbonize?
couldn't you decarbonize?
couldn't they decarbonize? 	couldn't I be decarbonizing?
couldn't you be decarbonizing?
couldn't he be decarbonizing?
couldn't we be decarbonizing?
couldn't you be decarbonizing?
couldn't they be decarbonizing? 	couldn't I have decarbonized?
couldn't you have decarbonized?
couldn't he have decarbonized?
couldn't we have decarbonized?
couldn't you have decarbonized?
couldn't they have decarbonized? 	couldn't I have been decarbonizing?
couldn't you have been decarbonizing?
couldn't he have been decarbonizing?
couldn't we have been decarbonizing?
couldn't you have been decarbonizing?
couldn't they have been decarbonizing?