I can hurt you can hurt he can hurt we can hurt you can hurt they can hurt
V-ing form
I can be hurting you can be hurting he can be hurting we can be hurting you can be hurting they can be hurting
Perfect
I can have hurt you can have hurt he 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 he can have been hurting we can have been hurting you can have been hurting they can have been hurting
Negation
Simple form
I can't hurt you can't hurt he can't hurt we can't hurt you can't hurt they can't hurt
V-ing form
I can't be hurting you can't be hurting he can't be hurting we can't be hurting you can't be hurting they can't be hurting
Perfect
I can't have hurt you can't have hurt he can't have hurt we can't have hurt you can't have hurt they can't have hurt
V-ing perfect
I can't have been hurting you can't have been hurting he can't have been hurting we can't have been hurting you can't have been hurting they can't have been hurting
Interrogative form
Simple form
can I hurt? can you hurt? can he hurt? can we hurt? can you hurt? can they hurt?
V-ing form
can I be hurting? can you be hurting? can he be hurting? can we be hurting? can you be hurting? can they be hurting?
Perfect
can I have hurt? can you have hurt? can he 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 he have been hurting? can we have been hurting? can you have been hurting? can they have been hurting?
Interro-negative form
Simple form
can't I hurt? can't you hurt? can't he hurt? can't we hurt? can't you hurt? can't they hurt?
V-ing form
can't I be hurting? can't you be hurting? can't he be hurting? can't we be hurting? can't you be hurting? can't they be hurting?
Perfect
can't I have hurt? can't you have hurt? can't he have hurt? can't we have hurt? can't you have hurt? can't they have hurt?
V-ing perfect
can't I have been hurting? can't you have been hurting? can't he have been hurting? can't we have been hurting? can't you have been hurting? can't they have been hurting?