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