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