could calque
Regular verb: calque - calqued- calqued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could calque
you could calque
she could calque
we could calque
you could calque
they could calque 	I could be calquing
you could be calquing
she could be calquing
we could be calquing
you could be calquing
they could be calquing	I could have calqued
you could have calqued
she could have calqued
we could have calqued
you could have calqued
they could have calqued	I could have been calquing
you could have been calquing
she could have been calquing
we could have been calquing
you could have been calquing
they could have been calquing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't calque
you couldn't calque
she couldn't calque
we couldn't calque
you couldn't calque
they couldn't calque 	I couldn't be calquing
you couldn't be calquing
she couldn't be calquing
we couldn't be calquing
you couldn't be calquing
they couldn't be calquing	I couldn't have calqued
you couldn't have calqued
she couldn't have calqued
we couldn't have calqued
you couldn't have calqued
they couldn't have calqued	I couldn't have been calquing
you couldn't have been calquing
she couldn't have been calquing
we couldn't have been calquing
you couldn't have been calquing
they couldn't have been calquing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I calque?
could you calque?
could she calque?
could we calque?
could you calque?
could they calque? 	could I be calquing?
could you be calquing?
could she be calquing?
could we be calquing?
could you be calquing?
could they be calquing? 	could I have calqued?
could you have calqued?
could she have calqued?
could we have calqued?
could you have calqued?
could they have calqued? 	could I have been calquing?
could you have been calquing?
could she have been calquing?
could we have been calquing?
could you have been calquing?
could they have been calquing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I calque?
couldn't you calque?
couldn't she calque?
couldn't we calque?
couldn't you calque?
couldn't they calque? 	couldn't I be calquing?
couldn't you be calquing?
couldn't she be calquing?
couldn't we be calquing?
couldn't you be calquing?
couldn't they be calquing? 	couldn't I have calqued?
couldn't you have calqued?
couldn't she have calqued?
couldn't we have calqued?
couldn't you have calqued?
couldn't they have calqued? 	couldn't I have been calquing?
couldn't you have been calquing?
couldn't she have been calquing?
couldn't we have been calquing?
couldn't you have been calquing?
couldn't they have been calquing?