could systematize
Verbo regolare: systematize - systematized- systematized

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could systematize
you could systematize
he could systematize
we could systematize
you could systematize
they could systematize 	I could be systematizing
you could be systematizing
he could be systematizing
we could be systematizing
you could be systematizing
they could be systematizing	I could have systematized
you could have systematized
he could have systematized
we could have systematized
you could have systematized
they could have systematized	I could have been systematizing
you could have been systematizing
he could have been systematizing
we could have been systematizing
you could have been systematizing
they could have been systematizing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not systematize
you could not systematize
he could not systematize
we could not systematize
you could not systematize
they could not systematize 	I could not be systematizing
you could not be systematizing
he could not be systematizing
we could not be systematizing
you could not be systematizing
they could not be systematizing	I could not have systematized
you could not have systematized
he could not have systematized
we could not have systematized
you could not have systematized
they could not have systematized	I could not have been systematizing
you could not have been systematizing
he could not have been systematizing
we could not have been systematizing
you could not have been systematizing
they could not have been systematizing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I systematize?
could you systematize?
could he systematize?
could we systematize?
could you systematize?
could they systematize? 	could I be systematizing?
could you be systematizing?
could he be systematizing?
could we be systematizing?
could you be systematizing?
could they be systematizing? 	could I have systematized?
could you have systematized?
could he have systematized?
could we have systematized?
could you have systematized?
could they have systematized? 	could I have been systematizing?
could you have been systematizing?
could he have been systematizing?
could we have been systematizing?
could you have been systematizing?
could they have been systematizing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not systematize?
could you not systematize?
could he not systematize?
could we not systematize?
could you not systematize?
could they not systematize? 	could I not be systematizing?
could you not be systematizing?
could he not be systematizing?
could we not be systematizing?
could you not be systematizing?
could they not be systematizing? 	could I not have systematized?
could you not have systematized?
could he not have systematized?
could we not have systematized?
could you not have systematized?
could they not have systematized? 	could I not have been systematizing?
could you not have been systematizing?
could he not have been systematizing?
could we not have been systematizing?
could you not have been systematizing?
could they not have been systematizing?