could masculinize
Regular verb: masculinize - masculinized- masculinized

Affirmation 	
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I could masculinize
you could masculinize
she could masculinize
we could masculinize
you could masculinize
they could masculinize 	I could be masculinizing
you could be masculinizing
she could be masculinizing
we could be masculinizing
you could be masculinizing
they could be masculinizing	I could have masculinized
you could have masculinized
she could have masculinized
we could have masculinized
you could have masculinized
they could have masculinized	I could have been masculinizing
you could have been masculinizing
she could have been masculinizing
we could have been masculinizing
you could have been masculinizing
they could have been masculinizing	

Negation 	
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I couldn't masculinize
you couldn't masculinize
she couldn't masculinize
we couldn't masculinize
you couldn't masculinize
they couldn't masculinize 	I couldn't be masculinizing
you couldn't be masculinizing
she couldn't be masculinizing
we couldn't be masculinizing
you couldn't be masculinizing
they couldn't be masculinizing	I couldn't have masculinized
you couldn't have masculinized
she couldn't have masculinized
we couldn't have masculinized
you couldn't have masculinized
they couldn't have masculinized	I couldn't have been masculinizing
you couldn't have been masculinizing
she couldn't have been masculinizing
we couldn't have been masculinizing
you couldn't have been masculinizing
they couldn't have been masculinizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I masculinize?
could you masculinize?
could she masculinize?
could we masculinize?
could you masculinize?
could they masculinize? 	could I be masculinizing?
could you be masculinizing?
could she be masculinizing?
could we be masculinizing?
could you be masculinizing?
could they be masculinizing? 	could I have masculinized?
could you have masculinized?
could she have masculinized?
could we have masculinized?
could you have masculinized?
could they have masculinized? 	could I have been masculinizing?
could you have been masculinizing?
could she have been masculinizing?
could we have been masculinizing?
could you have been masculinizing?
could they have been masculinizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I masculinize?
couldn't you masculinize?
couldn't she masculinize?
couldn't we masculinize?
couldn't you masculinize?
couldn't they masculinize? 	couldn't I be masculinizing?
couldn't you be masculinizing?
couldn't she be masculinizing?
couldn't we be masculinizing?
couldn't you be masculinizing?
couldn't they be masculinizing? 	couldn't I have masculinized?
couldn't you have masculinized?
couldn't she have masculinized?
couldn't we have masculinized?
couldn't you have masculinized?
couldn't they have masculinized? 	couldn't I have been masculinizing?
couldn't you have been masculinizing?
couldn't she have been masculinizing?
couldn't we have been masculinizing?
couldn't you have been masculinizing?
couldn't they have been masculinizing?