English verb conjugation
SHOULD OFFER

Regular verb: offer - offered - offered

Affirmation

Simple form	V-ing form
I should offer you should offer he should offer we should offer you should offer they should offer	I should be offering you should be offering he should be offering we should be offering you should be offering they should be offering
Perfect	V-ing perfect
I should have offered you should have offered he should have offered we should have offered you should have offered they should have offered	I should have been offering you should have been offering he should have been offering we should have been offering you should have been offering they should have been offering

Negation

Simple form	V-ing form
I should not offer you should not offer he should not offer we should not offer you should not offer they should not offer	I should not be offering you should not be offering he should not be offering we should not be offering you should not be offering they should not be offering
Perfect	V-ing perfect
I should not have offered you should not have offered he should not have offered we should not have offered you should not have offered they should not have offered	I should not have been offering you should not have been offering he should not have been offering we should not have been offering you should not have been offering they should not have been offering

Interrogative form

Simple form	V-ing form
should I offer? should you offer? should he offer? should we offer? should you offer? should they offer?	should I be offering? should you be offering? should he be offering? should we be offering? should you be offering? should they be offering?
Perfect	V-ing perfect
should I have offered? should you have offered? should he have offered? should we have offered? should you have offered? should they have offered?	should I have been offering? should you have been offering? should he have been offering? should we have been offering? should you have been offering? should they have been offering?

Interro-negative form

Simple form	V-ing form
should I not offer? should you not offer? should he not offer? should we not offer? should you not offer? should they not offer?	should I not be offering? should you not be offering? should he not be offering? should we not be offering? should you not be offering? should they not be offering?
Perfect	V-ing perfect
should I not have offered? should you not have offered? should he not have offered? should we not have offered? should you not have offered? should they not have offered?	should I not have been offering? should you not have been offering? should he not have been offering? should we not have been offering? should you not have been offering? should they not have been offering?