could mirv
Regular verb: mirv - mirved- mirved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mirv
you could mirv
she could mirv
we could mirv
you could mirv
they could mirv 	I could be mirving
you could be mirving
she could be mirving
we could be mirving
you could be mirving
they could be mirving	I could have mirved
you could have mirved
she could have mirved
we could have mirved
you could have mirved
they could have mirved	I could have been mirving
you could have been mirving
she could have been mirving
we could have been mirving
you could have been mirving
they could have been mirving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mirv
you couldn't mirv
she couldn't mirv
we couldn't mirv
you couldn't mirv
they couldn't mirv 	I couldn't be mirving
you couldn't be mirving
she couldn't be mirving
we couldn't be mirving
you couldn't be mirving
they couldn't be mirving	I couldn't have mirved
you couldn't have mirved
she couldn't have mirved
we couldn't have mirved
you couldn't have mirved
they couldn't have mirved	I couldn't have been mirving
you couldn't have been mirving
she couldn't have been mirving
we couldn't have been mirving
you couldn't have been mirving
they couldn't have been mirving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mirv?
could you mirv?
could she mirv?
could we mirv?
could you mirv?
could they mirv? 	could I be mirving?
could you be mirving?
could she be mirving?
could we be mirving?
could you be mirving?
could they be mirving? 	could I have mirved?
could you have mirved?
could she have mirved?
could we have mirved?
could you have mirved?
could they have mirved? 	could I have been mirving?
could you have been mirving?
could she have been mirving?
could we have been mirving?
could you have been mirving?
could they have been mirving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mirv?
couldn't you mirv?
couldn't she mirv?
couldn't we mirv?
couldn't you mirv?
couldn't they mirv? 	couldn't I be mirving?
couldn't you be mirving?
couldn't she be mirving?
couldn't we be mirving?
couldn't you be mirving?
couldn't they be mirving? 	couldn't I have mirved?
couldn't you have mirved?
couldn't she have mirved?
couldn't we have mirved?
couldn't you have mirved?
couldn't they have mirved? 	couldn't I have been mirving?
couldn't you have been mirving?
couldn't she have been mirving?
couldn't we have been mirving?
couldn't you have been mirving?
couldn't they have been mirving?