I could camouflage you could camouflage he could camouflage we could camouflage you could camouflage they could camouflage
V-ing form
I could be camouflaging you could be camouflaging he could be camouflaging we could be camouflaging you could be camouflaging they could be camouflaging
Perfect
I could have camouflaged you could have camouflaged he could have camouflaged we could have camouflaged you could have camouflaged they could have camouflaged
V-ing perfect
I could have been camouflaging you could have been camouflaging he could have been camouflaging we could have been camouflaging you could have been camouflaging they could have been camouflaging
Negation
Simple form
I couldn't camouflage you couldn't camouflage he couldn't camouflage we couldn't camouflage you couldn't camouflage they couldn't camouflage
V-ing form
I couldn't be camouflaging you couldn't be camouflaging he couldn't be camouflaging we couldn't be camouflaging you couldn't be camouflaging they couldn't be camouflaging
Perfect
I couldn't have camouflaged you couldn't have camouflaged he couldn't have camouflaged we couldn't have camouflaged you couldn't have camouflaged they couldn't have camouflaged
V-ing perfect
I couldn't have been camouflaging you couldn't have been camouflaging he couldn't have been camouflaging we couldn't have been camouflaging you couldn't have been camouflaging they couldn't have been camouflaging
Interrogative form
Simple form
could I camouflage? could you camouflage? could he camouflage? could we camouflage? could you camouflage? could they camouflage?
V-ing form
could I be camouflaging? could you be camouflaging? could he be camouflaging? could we be camouflaging? could you be camouflaging? could they be camouflaging?
Perfect
could I have camouflaged? could you have camouflaged? could he have camouflaged? could we have camouflaged? could you have camouflaged? could they have camouflaged?
V-ing perfect
could I have been camouflaging? could you have been camouflaging? could he have been camouflaging? could we have been camouflaging? could you have been camouflaging? could they have been camouflaging?
Interro-negative form
Simple form
couldn't I camouflage? couldn't you camouflage? couldn't he camouflage? couldn't we camouflage? couldn't you camouflage? couldn't they camouflage?
V-ing form
couldn't I be camouflaging? couldn't you be camouflaging? couldn't he be camouflaging? couldn't we be camouflaging? couldn't you be camouflaging? couldn't they be camouflaging?
Perfect
couldn't I have camouflaged? couldn't you have camouflaged? couldn't he have camouflaged? couldn't we have camouflaged? couldn't you have camouflaged? couldn't they have camouflaged?
V-ing perfect
couldn't I have been camouflaging? couldn't you have been camouflaging? couldn't he have been camouflaging? couldn't we have been camouflaging? couldn't you have been camouflaging? couldn't they have been camouflaging?