
Regelmäßiges Verb: fast - fasted - fasted
Einfache Form | Form mit V-ing | 
| I could fast you could fast he could fast we could fast you could fast they could fast  | I could be fasting you could be fasting he could be fasting we could be fasting you could be fasting they could be fasting  | 
Perfekt | Perfekt mit V-ing | 
| I could have fasted you could have fasted he could have fasted we could have fasted you could have fasted they could have fasted  | I could have been fasting you could have been fasting he could have been fasting we could have been fasting you could have been fasting they could have been fasting  | 
Einfache Form | Form mit V-ing | 
| I couldn't fast you couldn't fast he couldn't fast we couldn't fast you couldn't fast they couldn't fast  | I couldn't be fasting you couldn't be fasting he couldn't be fasting we couldn't be fasting you couldn't be fasting they couldn't be fasting  | 
Perfekt | Perfekt mit V-ing | 
| I couldn't have fasted you couldn't have fasted he couldn't have fasted we couldn't have fasted you couldn't have fasted they couldn't have fasted  | I couldn't have been fasting you couldn't have been fasting he couldn't have been fasting we couldn't have been fasting you couldn't have been fasting they couldn't have been fasting  | 
Einfache Form | Form mit V-ing | 
| could I fast? could you fast? could he fast? could we fast? could you fast? could they fast?  | could I be fasting? could you be fasting? could he be fasting? could we be fasting? could you be fasting? could they be fasting?  | 
Perfekt | Perfekt mit V-ing | 
| could I have fasted? could you have fasted? could he have fasted? could we have fasted? could you have fasted? could they have fasted?  | could I have been fasting? could you have been fasting? could he have been fasting? could we have been fasting? could you have been fasting? could they have been fasting?  | 
Einfache Form | Form mit V-ing | 
| couldn't I fast? couldn't you fast? couldn't he fast? couldn't we fast? couldn't you fast? couldn't they fast?  | couldn't I be fasting? couldn't you be fasting? couldn't he be fasting? couldn't we be fasting? couldn't you be fasting? couldn't they be fasting?  | 
Perfekt | Perfekt mit V-ing | 
| couldn't I have fasted? couldn't you have fasted? couldn't he have fasted? couldn't we have fasted? couldn't you have fasted? couldn't they have fasted?  | couldn't I have been fasting? couldn't you have been fasting? couldn't he have been fasting? couldn't we have been fasting? couldn't you have been fasting? couldn't they have been fasting?  |