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