
Unregelmäßiges Verb: forget - forgot - forgotten
Einfache Form | Form mit V-ing | 
| I could forget you could forget she could forget we could forget you could forget they could forget  | I could be forgetting you could be forgetting she could be forgetting we could be forgetting you could be forgetting they could be forgetting  | 
Perfekt | Perfekt mit V-ing | 
| I could have forgotten you could have forgotten she could have forgotten we could have forgotten you could have forgotten they could have forgotten  | I could have been forgetting you could have been forgetting she could have been forgetting we could have been forgetting you could have been forgetting they could have been forgetting  | 
Einfache Form | Form mit V-ing | 
| I couldn't forget you couldn't forget she couldn't forget we couldn't forget you couldn't forget they couldn't forget  | I couldn't be forgetting you couldn't be forgetting she couldn't be forgetting we couldn't be forgetting you couldn't be forgetting they couldn't be forgetting  | 
Perfekt | Perfekt mit V-ing | 
| I couldn't have forgotten you couldn't have forgotten she couldn't have forgotten we couldn't have forgotten you couldn't have forgotten they couldn't have forgotten  | I couldn't have been forgetting you couldn't have been forgetting she couldn't have been forgetting we couldn't have been forgetting you couldn't have been forgetting they couldn't have been forgetting  | 
Einfache Form | Form mit V-ing | 
| could I forget? could you forget? could she forget? could we forget? could you forget? could they forget?  | could I be forgetting? could you be forgetting? could she be forgetting? could we be forgetting? could you be forgetting? could they be forgetting?  | 
Perfekt | Perfekt mit V-ing | 
| could I have forgotten? could you have forgotten? could she have forgotten? could we have forgotten? could you have forgotten? could they have forgotten?  | could I have been forgetting? could you have been forgetting? could she have been forgetting? could we have been forgetting? could you have been forgetting? could they have been forgetting?  | 
Einfache Form | Form mit V-ing | 
| couldn't I forget? couldn't you forget? couldn't she forget? couldn't we forget? couldn't you forget? couldn't they forget?  | couldn't I be forgetting? couldn't you be forgetting? couldn't she be forgetting? couldn't we be forgetting? couldn't you be forgetting? couldn't they be forgetting?  | 
Perfekt | Perfekt mit V-ing | 
| couldn't I have forgotten? couldn't you have forgotten? couldn't she have forgotten? couldn't we have forgotten? couldn't you have forgotten? couldn't they have forgotten?  | couldn't I have been forgetting? couldn't you have been forgetting? couldn't she have been forgetting? couldn't we have been forgetting? couldn't you have been forgetting? couldn't they have been forgetting?  |