could realize
Regular verb: realize - realized- realized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could realize
you could realize
she could realize
we could realize
you could realize
they could realize 	I could be realizing
you could be realizing
she could be realizing
we could be realizing
you could be realizing
they could be realizing	I could have realized
you could have realized
she could have realized
we could have realized
you could have realized
they could have realized	I could have been realizing
you could have been realizing
she could have been realizing
we could have been realizing
you could have been realizing
they could have been realizing	

Negation 	
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I couldn't realize
you couldn't realize
she couldn't realize
we couldn't realize
you couldn't realize
they couldn't realize 	I couldn't be realizing
you couldn't be realizing
she couldn't be realizing
we couldn't be realizing
you couldn't be realizing
they couldn't be realizing	I couldn't have realized
you couldn't have realized
she couldn't have realized
we couldn't have realized
you couldn't have realized
they couldn't have realized	I couldn't have been realizing
you couldn't have been realizing
she couldn't have been realizing
we couldn't have been realizing
you couldn't have been realizing
they couldn't have been realizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I realize?
could you realize?
could she realize?
could we realize?
could you realize?
could they realize? 	could I be realizing?
could you be realizing?
could she be realizing?
could we be realizing?
could you be realizing?
could they be realizing? 	could I have realized?
could you have realized?
could she have realized?
could we have realized?
could you have realized?
could they have realized? 	could I have been realizing?
could you have been realizing?
could she have been realizing?
could we have been realizing?
could you have been realizing?
could they have been realizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I realize?
couldn't you realize?
couldn't she realize?
couldn't we realize?
couldn't you realize?
couldn't they realize? 	couldn't I be realizing?
couldn't you be realizing?
couldn't she be realizing?
couldn't we be realizing?
couldn't you be realizing?
couldn't they be realizing? 	couldn't I have realized?
couldn't you have realized?
couldn't she have realized?
couldn't we have realized?
couldn't you have realized?
couldn't they have realized? 	couldn't I have been realizing?
couldn't you have been realizing?
couldn't she have been realizing?
couldn't we have been realizing?
couldn't you have been realizing?
couldn't they have been realizing?