
Regular verb: offer - offered - offered
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  | 
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  | 
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?  | 
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?  |