English verb conjugation
SHOULD COMB

Regular verb: comb - combed - combed

Affirmation

Simple form	V-ing form
I should comb you should comb she should comb we should comb you should comb they should comb	I should be combing you should be combing she should be combing we should be combing you should be combing they should be combing
Perfect	V-ing perfect
I should have combed you should have combed she should have combed we should have combed you should have combed they should have combed	I should have been combing you should have been combing she should have been combing we should have been combing you should have been combing they should have been combing

Negation

Simple form	V-ing form
I should not comb you should not comb she should not comb we should not comb you should not comb they should not comb	I should not be combing you should not be combing she should not be combing we should not be combing you should not be combing they should not be combing
Perfect	V-ing perfect
I should not have combed you should not have combed she should not have combed we should not have combed you should not have combed they should not have combed	I should not have been combing you should not have been combing she should not have been combing we should not have been combing you should not have been combing they should not have been combing

Interrogative form

Simple form	V-ing form
should I comb? should you comb? should she comb? should we comb? should you comb? should they comb?	should I be combing? should you be combing? should she be combing? should we be combing? should you be combing? should they be combing?
Perfect	V-ing perfect
should I have combed? should you have combed? should she have combed? should we have combed? should you have combed? should they have combed?	should I have been combing? should you have been combing? should she have been combing? should we have been combing? should you have been combing? should they have been combing?

Interro-negative form

Simple form	V-ing form
should I not comb? should you not comb? should she not comb? should we not comb? should you not comb? should they not comb?	should I not be combing? should you not be combing? should she not be combing? should we not be combing? should you not be combing? should they not be combing?
Perfect	V-ing perfect
should I not have combed? should you not have combed? should she not have combed? should we not have combed? should you not have combed? should they not have combed?	should I not have been combing? should you not have been combing? should she not have been combing? should we not have been combing? should you not have been combing? should they not have been combing?