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