
Verbo regular: kayak - kayaked - kayaked
Forma simple | Forma con V-ing | 
| I could kayak you could kayak she could kayak we could kayak you could kayak they could kayak  | I could be kayaking you could be kayaking she could be kayaking we could be kayaking you could be kayaking they could be kayaking  | 
Perfecto | Perfecto con V-ing | 
| I could have kayaked you could have kayaked she could have kayaked we could have kayaked you could have kayaked they could have kayaked  | I could have been kayaking you could have been kayaking she could have been kayaking we could have been kayaking you could have been kayaking they could have been kayaking  | 
Forma simple | Forma con V-ing | 
| I couldn't kayak you couldn't kayak she couldn't kayak we couldn't kayak you couldn't kayak they couldn't kayak  | I couldn't be kayaking you couldn't be kayaking she couldn't be kayaking we couldn't be kayaking you couldn't be kayaking they couldn't be kayaking  | 
Perfecto | Perfecto con V-ing | 
| I couldn't have kayaked you couldn't have kayaked she couldn't have kayaked we couldn't have kayaked you couldn't have kayaked they couldn't have kayaked  | I couldn't have been kayaking you couldn't have been kayaking she couldn't have been kayaking we couldn't have been kayaking you couldn't have been kayaking they couldn't have been kayaking  | 
Forma simple | Forma con V-ing | 
| could I kayak? could you kayak? could she kayak? could we kayak? could you kayak? could they kayak?  | could I be kayaking? could you be kayaking? could she be kayaking? could we be kayaking? could you be kayaking? could they be kayaking?  | 
Perfecto | Perfecto con V-ing | 
| could I have kayaked? could you have kayaked? could she have kayaked? could we have kayaked? could you have kayaked? could they have kayaked?  | could I have been kayaking? could you have been kayaking? could she have been kayaking? could we have been kayaking? could you have been kayaking? could they have been kayaking?  | 
Forma simple | Forma con V-ing | 
| couldn't I kayak? couldn't you kayak? couldn't she kayak? couldn't we kayak? couldn't you kayak? couldn't they kayak?  | couldn't I be kayaking? couldn't you be kayaking? couldn't she be kayaking? couldn't we be kayaking? couldn't you be kayaking? couldn't they be kayaking?  | 
Perfecto | Perfecto con V-ing | 
| couldn't I have kayaked? couldn't you have kayaked? couldn't she have kayaked? couldn't we have kayaked? couldn't you have kayaked? couldn't they have kayaked?  | couldn't I have been kayaking? couldn't you have been kayaking? couldn't she have been kayaking? couldn't we have been kayaking? couldn't you have been kayaking? couldn't they have been kayaking?  |