English verb conjugation
SHOULD OFFER

Regular verb: offer - offered - offered

Affirmation

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

Negation

Simple form	V-ing form
I shouldn't offer you shouldn't offer he shouldn't offer we shouldn't offer you shouldn't offer they shouldn't offer	I shouldn't be offering you shouldn't be offering he shouldn't be offering we shouldn't be offering you shouldn't be offering they shouldn't be offering
Perfect	V-ing perfect
I shouldn't have offered you shouldn't have offered he shouldn't have offered we shouldn't have offered you shouldn't have offered they shouldn't have offered	I shouldn't have been offering you shouldn't have been offering he shouldn't have been offering we shouldn't have been offering you shouldn't have been offering they shouldn't 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
shouldn't I offer? shouldn't you offer? shouldn't he offer? shouldn't we offer? shouldn't you offer? shouldn't they offer?	shouldn't I be offering? shouldn't you be offering? shouldn't he be offering? shouldn't we be offering? shouldn't you be offering? shouldn't they be offering?
Perfect	V-ing perfect
shouldn't I have offered? shouldn't you have offered? shouldn't he have offered? shouldn't we have offered? shouldn't you have offered? shouldn't they have offered?	shouldn't I have been offering? shouldn't you have been offering? shouldn't he have been offering? shouldn't we have been offering? shouldn't you have been offering? shouldn't they have been offering?