could collumate
Regular verb: collumate - collumated- collumated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could collumate
you could collumate
she could collumate
we could collumate
you could collumate
they could collumate 	I could be collumating
you could be collumating
she could be collumating
we could be collumating
you could be collumating
they could be collumating	I could have collumated
you could have collumated
she could have collumated
we could have collumated
you could have collumated
they could have collumated	I could have been collumating
you could have been collumating
she could have been collumating
we could have been collumating
you could have been collumating
they could have been collumating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't collumate
you couldn't collumate
she couldn't collumate
we couldn't collumate
you couldn't collumate
they couldn't collumate 	I couldn't be collumating
you couldn't be collumating
she couldn't be collumating
we couldn't be collumating
you couldn't be collumating
they couldn't be collumating	I couldn't have collumated
you couldn't have collumated
she couldn't have collumated
we couldn't have collumated
you couldn't have collumated
they couldn't have collumated	I couldn't have been collumating
you couldn't have been collumating
she couldn't have been collumating
we couldn't have been collumating
you couldn't have been collumating
they couldn't have been collumating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I collumate?
could you collumate?
could she collumate?
could we collumate?
could you collumate?
could they collumate? 	could I be collumating?
could you be collumating?
could she be collumating?
could we be collumating?
could you be collumating?
could they be collumating? 	could I have collumated?
could you have collumated?
could she have collumated?
could we have collumated?
could you have collumated?
could they have collumated? 	could I have been collumating?
could you have been collumating?
could she have been collumating?
could we have been collumating?
could you have been collumating?
could they have been collumating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I collumate?
couldn't you collumate?
couldn't she collumate?
couldn't we collumate?
couldn't you collumate?
couldn't they collumate? 	couldn't I be collumating?
couldn't you be collumating?
couldn't she be collumating?
couldn't we be collumating?
couldn't you be collumating?
couldn't they be collumating? 	couldn't I have collumated?
couldn't you have collumated?
couldn't she have collumated?
couldn't we have collumated?
couldn't you have collumated?
couldn't they have collumated? 	couldn't I have been collumating?
couldn't you have been collumating?
couldn't she have been collumating?
couldn't we have been collumating?
couldn't you have been collumating?
couldn't they have been collumating?