I can belay you can belay she can belay we can belay you can belay they can belay
V-ing form
I can be belaying you can be belaying she can be belaying we can be belaying you can be belaying they can be belaying
Perfect
I can have belayed you can have belayed she can have belayed we can have belayed you can have belayed they can have belayed
V-ing perfect
I can have been belaying you can have been belaying she can have been belaying we can have been belaying you can have been belaying they can have been belaying
Negation
Simple form
I cannot belay you cannot belay she cannot belay we cannot belay you cannot belay they cannot belay
V-ing form
I cannot be belaying you cannot be belaying she cannot be belaying we cannot be belaying you cannot be belaying they cannot be belaying
Perfect
I cannot have belayed you cannot have belayed she cannot have belayed we cannot have belayed you cannot have belayed they cannot have belayed
V-ing perfect
I cannot have been belaying you cannot have been belaying she cannot have been belaying we cannot have been belaying you cannot have been belaying they cannot have been belaying
Interrogative form
Simple form
can I belay? can you belay? can she belay? can we belay? can you belay? can they belay?
V-ing form
can I be belaying? can you be belaying? can she be belaying? can we be belaying? can you be belaying? can they be belaying?
Perfect
can I have belayed? can you have belayed? can she have belayed? can we have belayed? can you have belayed? can they have belayed?
V-ing perfect
can I have been belaying? can you have been belaying? can she have been belaying? can we have been belaying? can you have been belaying? can they have been belaying?
Interro-negative form
Simple form
can I not belay? can you not belay? can she not belay? can we not belay? can you not belay? can they not belay?
V-ing form
can I not be belaying? can you not be belaying? can she not be belaying? can we not be belaying? can you not be belaying? can they not be belaying?
Perfect
can I not have belayed? can you not have belayed? can she not have belayed? can we not have belayed? can you not have belayed? can they not have belayed?
V-ing perfect
can I not have been belaying? can you not have been belaying? can she not have been belaying? can we not have been belaying? can you not have been belaying? can they not have been belaying?