I could rampage you could rampage he could rampage we could rampage you could rampage they could rampage
V-ing form
I could be rampaging you could be rampaging he could be rampaging we could be rampaging you could be rampaging they could be rampaging
Perfect
I could have rampaged you could have rampaged he could have rampaged we could have rampaged you could have rampaged they could have rampaged
V-ing perfect
I could have been rampaging you could have been rampaging he could have been rampaging we could have been rampaging you could have been rampaging they could have been rampaging
Negation
Simple form
I could not rampage you could not rampage he could not rampage we could not rampage you could not rampage they could not rampage
V-ing form
I could not be rampaging you could not be rampaging he could not be rampaging we could not be rampaging you could not be rampaging they could not be rampaging
Perfect
I could not have rampaged you could not have rampaged he could not have rampaged we could not have rampaged you could not have rampaged they could not have rampaged
V-ing perfect
I could not have been rampaging you could not have been rampaging he could not have been rampaging we could not have been rampaging you could not have been rampaging they could not have been rampaging
Interrogative form
Simple form
could I rampage? could you rampage? could he rampage? could we rampage? could you rampage? could they rampage?
V-ing form
could I be rampaging? could you be rampaging? could he be rampaging? could we be rampaging? could you be rampaging? could they be rampaging?
Perfect
could I have rampaged? could you have rampaged? could he have rampaged? could we have rampaged? could you have rampaged? could they have rampaged?
V-ing perfect
could I have been rampaging? could you have been rampaging? could he have been rampaging? could we have been rampaging? could you have been rampaging? could they have been rampaging?
Interro-negative form
Simple form
could I not rampage? could you not rampage? could he not rampage? could we not rampage? could you not rampage? could they not rampage?
V-ing form
could I not be rampaging? could you not be rampaging? could he not be rampaging? could we not be rampaging? could you not be rampaging? could they not be rampaging?
Perfect
could I not have rampaged? could you not have rampaged? could he not have rampaged? could we not have rampaged? could you not have rampaged? could they not have rampaged?
V-ing perfect
could I not have been rampaging? could you not have been rampaging? could he not have been rampaging? could we not have been rampaging? could you not have been rampaging? could they not have been rampaging?