could digitalize
Regular verb: digitalize - digitalized- digitalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could digitalize
you could digitalize
she could digitalize
we could digitalize
you could digitalize
they could digitalize 	I could be digitalizing
you could be digitalizing
she could be digitalizing
we could be digitalizing
you could be digitalizing
they could be digitalizing	I could have digitalized
you could have digitalized
she could have digitalized
we could have digitalized
you could have digitalized
they could have digitalized	I could have been digitalizing
you could have been digitalizing
she could have been digitalizing
we could have been digitalizing
you could have been digitalizing
they could have been digitalizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't digitalize
you couldn't digitalize
she couldn't digitalize
we couldn't digitalize
you couldn't digitalize
they couldn't digitalize 	I couldn't be digitalizing
you couldn't be digitalizing
she couldn't be digitalizing
we couldn't be digitalizing
you couldn't be digitalizing
they couldn't be digitalizing	I couldn't have digitalized
you couldn't have digitalized
she couldn't have digitalized
we couldn't have digitalized
you couldn't have digitalized
they couldn't have digitalized	I couldn't have been digitalizing
you couldn't have been digitalizing
she couldn't have been digitalizing
we couldn't have been digitalizing
you couldn't have been digitalizing
they couldn't have been digitalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I digitalize?
could you digitalize?
could she digitalize?
could we digitalize?
could you digitalize?
could they digitalize? 	could I be digitalizing?
could you be digitalizing?
could she be digitalizing?
could we be digitalizing?
could you be digitalizing?
could they be digitalizing? 	could I have digitalized?
could you have digitalized?
could she have digitalized?
could we have digitalized?
could you have digitalized?
could they have digitalized? 	could I have been digitalizing?
could you have been digitalizing?
could she have been digitalizing?
could we have been digitalizing?
could you have been digitalizing?
could they have been digitalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I digitalize?
couldn't you digitalize?
couldn't she digitalize?
couldn't we digitalize?
couldn't you digitalize?
couldn't they digitalize? 	couldn't I be digitalizing?
couldn't you be digitalizing?
couldn't she be digitalizing?
couldn't we be digitalizing?
couldn't you be digitalizing?
couldn't they be digitalizing? 	couldn't I have digitalized?
couldn't you have digitalized?
couldn't she have digitalized?
couldn't we have digitalized?
couldn't you have digitalized?
couldn't they have digitalized? 	couldn't I have been digitalizing?
couldn't you have been digitalizing?
couldn't she have been digitalizing?
couldn't we have been digitalizing?
couldn't you have been digitalizing?
couldn't they have been digitalizing?