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