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