could montage
Regular verb: montage - montaged- montaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could montage
you could montage
he could montage
we could montage
you could montage
they could montage 	I could be montaging
you could be montaging
he could be montaging
we could be montaging
you could be montaging
they could be montaging	I could have montaged
you could have montaged
he could have montaged
we could have montaged
you could have montaged
they could have montaged	I could have been montaging
you could have been montaging
he could have been montaging
we could have been montaging
you could have been montaging
they could have been montaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't montage
you couldn't montage
he couldn't montage
we couldn't montage
you couldn't montage
they couldn't montage 	I couldn't be montaging
you couldn't be montaging
he couldn't be montaging
we couldn't be montaging
you couldn't be montaging
they couldn't be montaging	I couldn't have montaged
you couldn't have montaged
he couldn't have montaged
we couldn't have montaged
you couldn't have montaged
they couldn't have montaged	I couldn't have been montaging
you couldn't have been montaging
he couldn't have been montaging
we couldn't have been montaging
you couldn't have been montaging
they couldn't have been montaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I montage?
could you montage?
could he montage?
could we montage?
could you montage?
could they montage? 	could I be montaging?
could you be montaging?
could he be montaging?
could we be montaging?
could you be montaging?
could they be montaging? 	could I have montaged?
could you have montaged?
could he have montaged?
could we have montaged?
could you have montaged?
could they have montaged? 	could I have been montaging?
could you have been montaging?
could he have been montaging?
could we have been montaging?
could you have been montaging?
could they have been montaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I montage?
couldn't you montage?
couldn't he montage?
couldn't we montage?
couldn't you montage?
couldn't they montage? 	couldn't I be montaging?
couldn't you be montaging?
couldn't he be montaging?
couldn't we be montaging?
couldn't you be montaging?
couldn't they be montaging? 	couldn't I have montaged?
couldn't you have montaged?
couldn't he have montaged?
couldn't we have montaged?
couldn't you have montaged?
couldn't they have montaged? 	couldn't I have been montaging?
couldn't you have been montaging?
couldn't he have been montaging?
couldn't we have been montaging?
couldn't you have been montaging?
couldn't they have been montaging?