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