English verb conjugation
CAN LICK

Regular verb: lick - licked - licked

Affirmation

Simple form	V-ing form
I can lick you can lick he can lick we can lick you can lick they can lick	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
can I lick? can you lick? can he lick? can we lick? can you lick? can they lick?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?