
Verbo irregular: mistake - mistook - mistaken
Forma simple | Forma con V-ing | 
| I could mistake you could mistake he could mistake we could mistake you could mistake they could mistake  | I could be mistaking you could be mistaking he could be mistaking we could be mistaking you could be mistaking they could be mistaking  | 
Perfecto | Perfecto con V-ing | 
| I could have mistaken you could have mistaken he could have mistaken we could have mistaken you could have mistaken they could have mistaken  | I could have been mistaking you could have been mistaking he could have been mistaking we could have been mistaking you could have been mistaking they could have been mistaking  | 
Forma simple | Forma con V-ing | 
| I couldn't mistake you couldn't mistake he couldn't mistake we couldn't mistake you couldn't mistake they couldn't mistake  | I couldn't be mistaking you couldn't be mistaking he couldn't be mistaking we couldn't be mistaking you couldn't be mistaking they couldn't be mistaking  | 
Perfecto | Perfecto con V-ing | 
| I couldn't have mistaken you couldn't have mistaken he couldn't have mistaken we couldn't have mistaken you couldn't have mistaken they couldn't have mistaken  | I couldn't have been mistaking you couldn't have been mistaking he couldn't have been mistaking we couldn't have been mistaking you couldn't have been mistaking they couldn't have been mistaking  | 
Forma simple | Forma con V-ing | 
| could I mistake? could you mistake? could he mistake? could we mistake? could you mistake? could they mistake?  | could I be mistaking? could you be mistaking? could he be mistaking? could we be mistaking? could you be mistaking? could they be mistaking?  | 
Perfecto | Perfecto con V-ing | 
| could I have mistaken? could you have mistaken? could he have mistaken? could we have mistaken? could you have mistaken? could they have mistaken?  | could I have been mistaking? could you have been mistaking? could he have been mistaking? could we have been mistaking? could you have been mistaking? could they have been mistaking?  | 
Forma simple | Forma con V-ing | 
| couldn't I mistake? couldn't you mistake? couldn't he mistake? couldn't we mistake? couldn't you mistake? couldn't they mistake?  | couldn't I be mistaking? couldn't you be mistaking? couldn't he be mistaking? couldn't we be mistaking? couldn't you be mistaking? couldn't they be mistaking?  | 
Perfecto | Perfecto con V-ing | 
| couldn't I have mistaken? couldn't you have mistaken? couldn't he have mistaken? couldn't we have mistaken? couldn't you have mistaken? couldn't they have mistaken?  | couldn't I have been mistaking? couldn't you have been mistaking? couldn't he have been mistaking? couldn't we have been mistaking? couldn't you have been mistaking? couldn't they have been mistaking?  |