English verb conjugation
COULD MONTAGE

Regular verb: montage - montaged - montaged

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?