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