Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could lick lick you could lick lick she could lick lick we could lick lick you could lick lick they could lick lick
V-ing form
I could be lick licking you could be lick licking she could be lick licking we could be lick licking you could be lick licking they could be lick licking
Perfect
I could have lick licked you could have lick licked she could have lick licked we could have lick licked you could have lick licked they could have lick licked
V-ing perfect
I could have been lick licking you could have been lick licking she could have been lick licking we could have been lick licking you could have been lick licking they could have been lick licking
Negation
Simple form
I couldn't lick lick you couldn't lick lick she couldn't lick lick we couldn't lick lick you couldn't lick lick they couldn't lick lick
V-ing form
I couldn't be lick licking you couldn't be lick licking she couldn't be lick licking we couldn't be lick licking you couldn't be lick licking they couldn't be lick licking
Perfect
I couldn't have lick licked you couldn't have lick licked she couldn't have lick licked we couldn't have lick licked you couldn't have lick licked they couldn't have lick licked
V-ing perfect
I couldn't have been lick licking you couldn't have been lick licking she couldn't have been lick licking we couldn't have been lick licking you couldn't have been lick licking they couldn't have been lick licking
Interrogative form
Simple form
could I lick lick? could you lick lick? could she lick lick? could we lick lick? could you lick lick? could they lick lick?
V-ing form
could I be lick licking? could you be lick licking? could she be lick licking? could we be lick licking? could you be lick licking? could they be lick licking?
Perfect
could I have lick licked? could you have lick licked? could she have lick licked? could we have lick licked? could you have lick licked? could they have lick licked?
V-ing perfect
could I have been lick licking? could you have been lick licking? could she have been lick licking? could we have been lick licking? could you have been lick licking? could they have been lick licking?
Interro-negative form
Simple form
couldn't I lick lick? couldn't you lick lick? couldn't she lick lick? couldn't we lick lick? couldn't you lick lick? couldn't they lick lick?
V-ing form
couldn't I be lick licking? couldn't you be lick licking? couldn't she be lick licking? couldn't we be lick licking? couldn't you be lick licking? couldn't they be lick licking?
Perfect
couldn't I have lick licked? couldn't you have lick licked? couldn't she have lick licked? couldn't we have lick licked? couldn't you have lick licked? couldn't they have lick licked?
V-ing perfect
couldn't I have been lick licking? couldn't you have been lick licking? couldn't she have been lick licking? couldn't we have been lick licking? couldn't you have been lick licking? couldn't they have been lick licking?