
Regular verb: mar - marred - marred
Simple form | V-ing form | 
| I'd mar you'd mar she'd mar we'd mar you'd mar they'd mar  | I'd be marring you'd be marring she'd be marring we'd be marring you'd be marring they'd be marring  | 
Perfect | V-ing perfect | 
| I should've marred you should've marred she should've marred we should've marred you should've marred they should've marred  | I should've been marring you should've been marring she should've been marring we should've been marring you should've been marring they should've been marring  | 
Simple form | V-ing form | 
| I shouldn't mar you shouldn't mar she shouldn't mar we shouldn't mar you shouldn't mar they shouldn't mar  | I shouldn't be marring you shouldn't be marring she shouldn't be marring we shouldn't be marring you shouldn't be marring they shouldn't be marring  | 
Perfect | V-ing perfect | 
| I shouldn't have marred you shouldn't have marred she shouldn't have marred we shouldn't have marred you shouldn't have marred they shouldn't have marred  | I shouldn't have been marring you shouldn't have been marring she shouldn't have been marring we shouldn't have been marring you shouldn't have been marring they shouldn't have been marring  | 
Simple form | V-ing form | 
| should I mar? should you mar? should she mar? should we mar? should you mar? should they mar?  | should I be marring? should you be marring? should she be marring? should we be marring? should you be marring? should they be marring?  | 
Perfect | V-ing perfect | 
| should I have marred? should you have marred? should she have marred? should we have marred? should you have marred? should they have marred?  | should I have been marring? should you have been marring? should she have been marring? should we have been marring? should you have been marring? should they have been marring?  | 
Simple form | V-ing form | 
| shouldn't I mar? shouldn't you mar? shouldn't she mar? shouldn't we mar? shouldn't you mar? shouldn't they mar?  | shouldn't I be marring? shouldn't you be marring? shouldn't she be marring? shouldn't we be marring? shouldn't you be marring? shouldn't they be marring?  | 
Perfect | V-ing perfect | 
| shouldn't I have marred? shouldn't you have marred? shouldn't she have marred? shouldn't we have marred? shouldn't you have marred? shouldn't they have marred?  | shouldn't I have been marring? shouldn't you have been marring? shouldn't she have been marring? shouldn't we have been marring? shouldn't you have been marring? shouldn't they have been marring?  |