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