
Regular verb: bore - bored - bored
Simple form | V-ing form | 
| I could bore you could bore he could bore we could bore you could bore they could bore  | I could be boring you could be boring he could be boring we could be boring you could be boring they could be boring  | 
Perfect | V-ing perfect | 
| I could have bored you could have bored he could have bored we could have bored you could have bored they could have bored  | I could have been boring you could have been boring he could have been boring we could have been boring you could have been boring they could have been boring  | 
Simple form | V-ing form | 
| I couldn't bore you couldn't bore he couldn't bore we couldn't bore you couldn't bore they couldn't bore  | I couldn't be boring you couldn't be boring he couldn't be boring we couldn't be boring you couldn't be boring they couldn't be boring  | 
Perfect | V-ing perfect | 
| I couldn't have bored you couldn't have bored he couldn't have bored we couldn't have bored you couldn't have bored they couldn't have bored  | I couldn't have been boring you couldn't have been boring he couldn't have been boring we couldn't have been boring you couldn't have been boring they couldn't have been boring  | 
Simple form | V-ing form | 
| could I bore? could you bore? could he bore? could we bore? could you bore? could they bore?  | could I be boring? could you be boring? could he be boring? could we be boring? could you be boring? could they be boring?  | 
Perfect | V-ing perfect | 
| could I have bored? could you have bored? could he have bored? could we have bored? could you have bored? could they have bored?  | could I have been boring? could you have been boring? could he have been boring? could we have been boring? could you have been boring? could they have been boring?  | 
Simple form | V-ing form | 
| couldn't I bore? couldn't you bore? couldn't he bore? couldn't we bore? couldn't you bore? couldn't they bore?  | couldn't I be boring? couldn't you be boring? couldn't he be boring? couldn't we be boring? couldn't you be boring? couldn't they be boring?  | 
Perfect | V-ing perfect | 
| couldn't I have bored? couldn't you have bored? couldn't he have bored? couldn't we have bored? couldn't you have bored? couldn't they have bored?  | couldn't I have been boring? couldn't you have been boring? couldn't he have been boring? couldn't we have been boring? couldn't you have been boring? couldn't they have been boring?  |