could prenominate
Regular verb: prenominate - prenominated- prenominated

Affirmation 	
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I could prenominate
you could prenominate
he could prenominate
we could prenominate
you could prenominate
they could prenominate 	I could be prenominating
you could be prenominating
he could be prenominating
we could be prenominating
you could be prenominating
they could be prenominating	I could have prenominated
you could have prenominated
he could have prenominated
we could have prenominated
you could have prenominated
they could have prenominated	I could have been prenominating
you could have been prenominating
he could have been prenominating
we could have been prenominating
you could have been prenominating
they could have been prenominating	

Negation 	
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I couldn't prenominate
you couldn't prenominate
he couldn't prenominate
we couldn't prenominate
you couldn't prenominate
they couldn't prenominate 	I couldn't be prenominating
you couldn't be prenominating
he couldn't be prenominating
we couldn't be prenominating
you couldn't be prenominating
they couldn't be prenominating	I couldn't have prenominated
you couldn't have prenominated
he couldn't have prenominated
we couldn't have prenominated
you couldn't have prenominated
they couldn't have prenominated	I couldn't have been prenominating
you couldn't have been prenominating
he couldn't have been prenominating
we couldn't have been prenominating
you couldn't have been prenominating
they couldn't have been prenominating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I prenominate?
could you prenominate?
could he prenominate?
could we prenominate?
could you prenominate?
could they prenominate? 	could I be prenominating?
could you be prenominating?
could he be prenominating?
could we be prenominating?
could you be prenominating?
could they be prenominating? 	could I have prenominated?
could you have prenominated?
could he have prenominated?
could we have prenominated?
could you have prenominated?
could they have prenominated? 	could I have been prenominating?
could you have been prenominating?
could he have been prenominating?
could we have been prenominating?
could you have been prenominating?
could they have been prenominating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I prenominate?
couldn't you prenominate?
couldn't he prenominate?
couldn't we prenominate?
couldn't you prenominate?
couldn't they prenominate? 	couldn't I be prenominating?
couldn't you be prenominating?
couldn't he be prenominating?
couldn't we be prenominating?
couldn't you be prenominating?
couldn't they be prenominating? 	couldn't I have prenominated?
couldn't you have prenominated?
couldn't he have prenominated?
couldn't we have prenominated?
couldn't you have prenominated?
couldn't they have prenominated? 	couldn't I have been prenominating?
couldn't you have been prenominating?
couldn't he have been prenominating?
couldn't we have been prenominating?
couldn't you have been prenominating?
couldn't they have been prenominating?