could deaminate
Regular verb: deaminate - deaminated- deaminated

Affirmation 	
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I could deaminate
you could deaminate
she could deaminate
we could deaminate
you could deaminate
they could deaminate 	I could be deaminating
you could be deaminating
she could be deaminating
we could be deaminating
you could be deaminating
they could be deaminating	I could have deaminated
you could have deaminated
she could have deaminated
we could have deaminated
you could have deaminated
they could have deaminated	I could have been deaminating
you could have been deaminating
she could have been deaminating
we could have been deaminating
you could have been deaminating
they could have been deaminating	

Negation 	
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I couldn't deaminate
you couldn't deaminate
she couldn't deaminate
we couldn't deaminate
you couldn't deaminate
they couldn't deaminate 	I couldn't be deaminating
you couldn't be deaminating
she couldn't be deaminating
we couldn't be deaminating
you couldn't be deaminating
they couldn't be deaminating	I couldn't have deaminated
you couldn't have deaminated
she couldn't have deaminated
we couldn't have deaminated
you couldn't have deaminated
they couldn't have deaminated	I couldn't have been deaminating
you couldn't have been deaminating
she couldn't have been deaminating
we couldn't have been deaminating
you couldn't have been deaminating
they couldn't have been deaminating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deaminate?
could you deaminate?
could she deaminate?
could we deaminate?
could you deaminate?
could they deaminate? 	could I be deaminating?
could you be deaminating?
could she be deaminating?
could we be deaminating?
could you be deaminating?
could they be deaminating? 	could I have deaminated?
could you have deaminated?
could she have deaminated?
could we have deaminated?
could you have deaminated?
could they have deaminated? 	could I have been deaminating?
could you have been deaminating?
could she have been deaminating?
could we have been deaminating?
could you have been deaminating?
could they have been deaminating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I deaminate?
couldn't you deaminate?
couldn't she deaminate?
couldn't we deaminate?
couldn't you deaminate?
couldn't they deaminate? 	couldn't I be deaminating?
couldn't you be deaminating?
couldn't she be deaminating?
couldn't we be deaminating?
couldn't you be deaminating?
couldn't they be deaminating? 	couldn't I have deaminated?
couldn't you have deaminated?
couldn't she have deaminated?
couldn't we have deaminated?
couldn't you have deaminated?
couldn't they have deaminated? 	couldn't I have been deaminating?
couldn't you have been deaminating?
couldn't she have been deaminating?
couldn't we have been deaminating?
couldn't you have been deaminating?
couldn't they have been deaminating?