
Regular verb: appoint - appointed - appointed
Simple form | V-ing form | 
| I could appoint you could appoint she could appoint we could appoint you could appoint they could appoint  | I could be appointing you could be appointing she could be appointing we could be appointing you could be appointing they could be appointing  | 
Perfect | V-ing perfect | 
| I could have appointed you could have appointed she could have appointed we could have appointed you could have appointed they could have appointed  | I could have been appointing you could have been appointing she could have been appointing we could have been appointing you could have been appointing they could have been appointing  | 
Simple form | V-ing form | 
| I couldn't appoint you couldn't appoint she couldn't appoint we couldn't appoint you couldn't appoint they couldn't appoint  | I couldn't be appointing you couldn't be appointing she couldn't be appointing we couldn't be appointing you couldn't be appointing they couldn't be appointing  | 
Perfect | V-ing perfect | 
| I couldn't have appointed you couldn't have appointed she couldn't have appointed we couldn't have appointed you couldn't have appointed they couldn't have appointed  | I couldn't have been appointing you couldn't have been appointing she couldn't have been appointing we couldn't have been appointing you couldn't have been appointing they couldn't have been appointing  | 
Simple form | V-ing form | 
| could I appoint? could you appoint? could she appoint? could we appoint? could you appoint? could they appoint?  | could I be appointing? could you be appointing? could she be appointing? could we be appointing? could you be appointing? could they be appointing?  | 
Perfect | V-ing perfect | 
| could I have appointed? could you have appointed? could she have appointed? could we have appointed? could you have appointed? could they have appointed?  | could I have been appointing? could you have been appointing? could she have been appointing? could we have been appointing? could you have been appointing? could they have been appointing?  | 
Simple form | V-ing form | 
| couldn't I appoint? couldn't you appoint? couldn't she appoint? couldn't we appoint? couldn't you appoint? couldn't they appoint?  | couldn't I be appointing? couldn't you be appointing? couldn't she be appointing? couldn't we be appointing? couldn't you be appointing? couldn't they be appointing?  | 
Perfect | V-ing perfect | 
| couldn't I have appointed? couldn't you have appointed? couldn't she have appointed? couldn't we have appointed? couldn't you have appointed? couldn't they have appointed?  | couldn't I have been appointing? couldn't you have been appointing? couldn't she have been appointing? couldn't we have been appointing? couldn't you have been appointing? couldn't they have been appointing?  |