
Verbo regular: lock - locked - locked
Forma simple | Forma con V-ing | 
| I'd lock you'd lock she'd lock we'd lock you'd lock they'd lock  | I'd be locking you'd be locking she'd be locking we'd be locking you'd be locking they'd be locking  | 
Perfecto | Perfecto con V-ing | 
| I should've locked you should've locked she should've locked we should've locked you should've locked they should've locked  | I should've been locking you should've been locking she should've been locking we should've been locking you should've been locking they should've been locking  | 
Forma simple | Forma con V-ing | 
| I shouldn't lock you shouldn't lock she shouldn't lock we shouldn't lock you shouldn't lock they shouldn't lock  | I shouldn't be locking you shouldn't be locking she shouldn't be locking we shouldn't be locking you shouldn't be locking they shouldn't be locking  | 
Perfecto | Perfecto con V-ing | 
| I shouldn't have locked you shouldn't have locked she shouldn't have locked we shouldn't have locked you shouldn't have locked they shouldn't have locked  | I shouldn't have been locking you shouldn't have been locking she shouldn't have been locking we shouldn't have been locking you shouldn't have been locking they shouldn't have been locking  | 
Forma simple | Forma con V-ing | 
| should I lock? should you lock? should she lock? should we lock? should you lock? should they lock?  | should I be locking? should you be locking? should she be locking? should we be locking? should you be locking? should they be locking?  | 
Perfecto | Perfecto con V-ing | 
| should I have locked? should you have locked? should she have locked? should we have locked? should you have locked? should they have locked?  | should I have been locking? should you have been locking? should she have been locking? should we have been locking? should you have been locking? should they have been locking?  | 
Forma simple | Forma con V-ing | 
| shouldn't I lock? shouldn't you lock? shouldn't she lock? shouldn't we lock? shouldn't you lock? shouldn't they lock?  | shouldn't I be locking? shouldn't you be locking? shouldn't she be locking? shouldn't we be locking? shouldn't you be locking? shouldn't they be locking?  | 
Perfecto | Perfecto con V-ing | 
| shouldn't I have locked? shouldn't you have locked? shouldn't she have locked? shouldn't we have locked? shouldn't you have locked? shouldn't they have locked?  | shouldn't I have been locking? shouldn't you have been locking? shouldn't she have been locking? shouldn't we have been locking? shouldn't you have been locking? shouldn't they have been locking?  |