I can scam you can scam she can scam we can scam you can scam they can scam
V-ing form
I can be scamming you can be scamming she can be scamming we can be scamming you can be scamming they can be scamming
Perfect
I can have scammed you can have scammed she can have scammed we can have scammed you can have scammed they can have scammed
V-ing perfect
I can have been scamming you can have been scamming she can have been scamming we can have been scamming you can have been scamming they can have been scamming
Negation
Simple form
I cannot scam you cannot scam she cannot scam we cannot scam you cannot scam they cannot scam
V-ing form
I cannot be scamming you cannot be scamming she cannot be scamming we cannot be scamming you cannot be scamming they cannot be scamming
Perfect
I cannot have scammed you cannot have scammed she cannot have scammed we cannot have scammed you cannot have scammed they cannot have scammed
V-ing perfect
I cannot have been scamming you cannot have been scamming she cannot have been scamming we cannot have been scamming you cannot have been scamming they cannot have been scamming
Interrogative form
Simple form
can I scam? can you scam? can she scam? can we scam? can you scam? can they scam?
V-ing form
can I be scamming? can you be scamming? can she be scamming? can we be scamming? can you be scamming? can they be scamming?
Perfect
can I have scammed? can you have scammed? can she have scammed? can we have scammed? can you have scammed? can they have scammed?
V-ing perfect
can I have been scamming? can you have been scamming? can she have been scamming? can we have been scamming? can you have been scamming? can they have been scamming?
Interro-negative form
Simple form
can I not scam? can you not scam? can she not scam? can we not scam? can you not scam? can they not scam?
V-ing form
can I not be scamming? can you not be scamming? can she not be scamming? can we not be scamming? can you not be scamming? can they not be scamming?
Perfect
can I not have scammed? can you not have scammed? can she not have scammed? can we not have scammed? can you not have scammed? can they not have scammed?
V-ing perfect
can I not have been scamming? can you not have been scamming? can she not have been scamming? can we not have been scamming? can you not have been scamming? can they not have been scamming?