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