could vulcanize
Verbo regolare: vulcanize - vulcanized- vulcanized

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could vulcanize
you could vulcanize
he could vulcanize
we could vulcanize
you could vulcanize
they could vulcanize 	I could be vulcanizing
you could be vulcanizing
he could be vulcanizing
we could be vulcanizing
you could be vulcanizing
they could be vulcanizing	I could have vulcanized
you could have vulcanized
he could have vulcanized
we could have vulcanized
you could have vulcanized
they could have vulcanized	I could have been vulcanizing
you could have been vulcanizing
he could have been vulcanizing
we could have been vulcanizing
you could have been vulcanizing
they could have been vulcanizing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not vulcanize
you could not vulcanize
he could not vulcanize
we could not vulcanize
you could not vulcanize
they could not vulcanize 	I could not be vulcanizing
you could not be vulcanizing
he could not be vulcanizing
we could not be vulcanizing
you could not be vulcanizing
they could not be vulcanizing	I could not have vulcanized
you could not have vulcanized
he could not have vulcanized
we could not have vulcanized
you could not have vulcanized
they could not have vulcanized	I could not have been vulcanizing
you could not have been vulcanizing
he could not have been vulcanizing
we could not have been vulcanizing
you could not have been vulcanizing
they could not have been vulcanizing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I vulcanize?
could you vulcanize?
could he vulcanize?
could we vulcanize?
could you vulcanize?
could they vulcanize? 	could I be vulcanizing?
could you be vulcanizing?
could he be vulcanizing?
could we be vulcanizing?
could you be vulcanizing?
could they be vulcanizing? 	could I have vulcanized?
could you have vulcanized?
could he have vulcanized?
could we have vulcanized?
could you have vulcanized?
could they have vulcanized? 	could I have been vulcanizing?
could you have been vulcanizing?
could he have been vulcanizing?
could we have been vulcanizing?
could you have been vulcanizing?
could they have been vulcanizing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not vulcanize?
could you not vulcanize?
could he not vulcanize?
could we not vulcanize?
could you not vulcanize?
could they not vulcanize? 	could I not be vulcanizing?
could you not be vulcanizing?
could he not be vulcanizing?
could we not be vulcanizing?
could you not be vulcanizing?
could they not be vulcanizing? 	could I not have vulcanized?
could you not have vulcanized?
could he not have vulcanized?
could we not have vulcanized?
could you not have vulcanized?
could they not have vulcanized? 	could I not have been vulcanizing?
could you not have been vulcanizing?
could he not have been vulcanizing?
could we not have been vulcanizing?
could you not have been vulcanizing?
could they not have been vulcanizing?