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