English verb conjugation
SHOULD CRIB

Regular verb: crib - cribbed - cribbed

Affirmation

Simple form	V-ing form
I should crib you should crib he should crib we should crib you should crib they should crib	I should be cribbing you should be cribbing he should be cribbing we should be cribbing you should be cribbing they should be cribbing
Perfect	V-ing perfect
I should have cribbed you should have cribbed he should have cribbed we should have cribbed you should have cribbed they should have cribbed	I should have been cribbing you should have been cribbing he should have been cribbing we should have been cribbing you should have been cribbing they should have been cribbing

Negation

Simple form	V-ing form
I should not crib you should not crib he should not crib we should not crib you should not crib they should not crib	I should not be cribbing you should not be cribbing he should not be cribbing we should not be cribbing you should not be cribbing they should not be cribbing
Perfect	V-ing perfect
I should not have cribbed you should not have cribbed he should not have cribbed we should not have cribbed you should not have cribbed they should not have cribbed	I should not have been cribbing you should not have been cribbing he should not have been cribbing we should not have been cribbing you should not have been cribbing they should not have been cribbing

Interrogative form

Simple form	V-ing form
should I crib? should you crib? should he crib? should we crib? should you crib? should they crib?	should I be cribbing? should you be cribbing? should he be cribbing? should we be cribbing? should you be cribbing? should they be cribbing?
Perfect	V-ing perfect
should I have cribbed? should you have cribbed? should he have cribbed? should we have cribbed? should you have cribbed? should they have cribbed?	should I have been cribbing? should you have been cribbing? should he have been cribbing? should we have been cribbing? should you have been cribbing? should they have been cribbing?

Interro-negative form

Simple form	V-ing form
should I not crib? should you not crib? should he not crib? should we not crib? should you not crib? should they not crib?	should I not be cribbing? should you not be cribbing? should he not be cribbing? should we not be cribbing? should you not be cribbing? should they not be cribbing?
Perfect	V-ing perfect
should I not have cribbed? should you not have cribbed? should he not have cribbed? should we not have cribbed? should you not have cribbed? should they not have cribbed?	should I not have been cribbing? should you not have been cribbing? should he not have been cribbing? should we not have been cribbing? should you not have been cribbing? should they not have been cribbing?