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