I could dismantle you could dismantle he could dismantle we could dismantle you could dismantle they could dismantle
V-ing form
I could be dismantling you could be dismantling he could be dismantling we could be dismantling you could be dismantling they could be dismantling
Perfect
I could have dismantled you could have dismantled he could have dismantled we could have dismantled you could have dismantled they could have dismantled
V-ing perfect
I could have been dismantling you could have been dismantling he could have been dismantling we could have been dismantling you could have been dismantling they could have been dismantling
Negation
Simple form
I could not dismantle you could not dismantle he could not dismantle we could not dismantle you could not dismantle they could not dismantle
V-ing form
I could not be dismantling you could not be dismantling he could not be dismantling we could not be dismantling you could not be dismantling they could not be dismantling
Perfect
I could not have dismantled you could not have dismantled he could not have dismantled we could not have dismantled you could not have dismantled they could not have dismantled
V-ing perfect
I could not have been dismantling you could not have been dismantling he could not have been dismantling we could not have been dismantling you could not have been dismantling they could not have been dismantling
Interrogative form
Simple form
could I dismantle? could you dismantle? could he dismantle? could we dismantle? could you dismantle? could they dismantle?
V-ing form
could I be dismantling? could you be dismantling? could he be dismantling? could we be dismantling? could you be dismantling? could they be dismantling?
Perfect
could I have dismantled? could you have dismantled? could he have dismantled? could we have dismantled? could you have dismantled? could they have dismantled?
V-ing perfect
could I have been dismantling? could you have been dismantling? could he have been dismantling? could we have been dismantling? could you have been dismantling? could they have been dismantling?
Interro-negative form
Simple form
could I not dismantle? could you not dismantle? could he not dismantle? could we not dismantle? could you not dismantle? could they not dismantle?
V-ing form
could I not be dismantling? could you not be dismantling? could he not be dismantling? could we not be dismantling? could you not be dismantling? could they not be dismantling?
Perfect
could I not have dismantled? could you not have dismantled? could he not have dismantled? could we not have dismantled? could you not have dismantled? could they not have dismantled?
V-ing perfect
could I not have been dismantling? could you not have been dismantling? could he not have been dismantling? could we not have been dismantling? could you not have been dismantling? could they not have been dismantling?