
Irregular verb: sink - sank, sunk - sunk
Simple form | V-ing form | 
| I'd sink you'd sink she'd sink we'd sink you'd sink they'd sink  | I'd be sinking you'd be sinking she'd be sinking we'd be sinking you'd be sinking they'd be sinking  | 
Perfect | V-ing perfect | 
| I should've sunk you should've sunk she should've sunk we should've sunk you should've sunk they should've sunk  | I should've been sinking you should've been sinking she should've been sinking we should've been sinking you should've been sinking they should've been sinking  | 
Simple form | V-ing form | 
| I shouldn't sink you shouldn't sink she shouldn't sink we shouldn't sink you shouldn't sink they shouldn't sink  | I shouldn't be sinking you shouldn't be sinking she shouldn't be sinking we shouldn't be sinking you shouldn't be sinking they shouldn't be sinking  | 
Perfect | V-ing perfect | 
| I shouldn't have sunk you shouldn't have sunk she shouldn't have sunk we shouldn't have sunk you shouldn't have sunk they shouldn't have sunk  | I shouldn't have been sinking you shouldn't have been sinking she shouldn't have been sinking we shouldn't have been sinking you shouldn't have been sinking they shouldn't have been sinking  | 
Simple form | V-ing form | 
| should I sink? should you sink? should she sink? should we sink? should you sink? should they sink?  | should I be sinking? should you be sinking? should she be sinking? should we be sinking? should you be sinking? should they be sinking?  | 
Perfect | V-ing perfect | 
| should I have sunk? should you have sunk? should she have sunk? should we have sunk? should you have sunk? should they have sunk?  | should I have been sinking? should you have been sinking? should she have been sinking? should we have been sinking? should you have been sinking? should they have been sinking?  | 
Simple form | V-ing form | 
| shouldn't I sink? shouldn't you sink? shouldn't she sink? shouldn't we sink? shouldn't you sink? shouldn't they sink?  | shouldn't I be sinking? shouldn't you be sinking? shouldn't she be sinking? shouldn't we be sinking? shouldn't you be sinking? shouldn't they be sinking?  | 
Perfect | V-ing perfect | 
| shouldn't I have sunk? shouldn't you have sunk? shouldn't she have sunk? shouldn't we have sunk? shouldn't you have sunk? shouldn't they have sunk?  | shouldn't I have been sinking? shouldn't you have been sinking? shouldn't she have been sinking? shouldn't we have been sinking? shouldn't you have been sinking? shouldn't they have been sinking?  |