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