
Verbe régulier : knock -  knocked - knocked
Traduction française : frapper (à la porte) 
Forme simple | Forme en V-ing | 
| I can knock you can knock she can knock we can knock you can knock they can knock  | I can be knocking you can be knocking she can be knocking we can be knocking you can be knocking they can be knocking  | 
Perfect | Perfect en V-ing | 
| I can have knocked you can have knocked she can have knocked we can have knocked you can have knocked they can have knocked  | I can have been knocking you can have been knocking she can have been knocking we can have been knocking you can have been knocking they can have been knocking  | 
Forme simple | Forme en V-ing | 
| I can't knock you can't knock she can't knock we can't knock you can't knock they can't knock  | I can't be knocking you can't be knocking she can't be knocking we can't be knocking you can't be knocking they can't be knocking  | 
Perfect | Perfect en V-ing | 
| I can't have knocked you can't have knocked she can't have knocked we can't have knocked you can't have knocked they can't have knocked  | I can't have been knocking you can't have been knocking she can't have been knocking we can't have been knocking you can't have been knocking they can't have been knocking  | 
Forme simple | Forme en V-ing | 
| can I knock? can you knock? can she knock? can we knock? can you knock? can they knock?  | can I be knocking? can you be knocking? can she be knocking? can we be knocking? can you be knocking? can they be knocking?  | 
Perfect | Perfect en V-ing | 
| can I have knocked? can you have knocked? can she have knocked? can we have knocked? can you have knocked? can they have knocked?  | can I have been knocking? can you have been knocking? can she have been knocking? can we have been knocking? can you have been knocking? can they have been knocking?  | 
Forme simple | Forme en V-ing | 
| can't I knock? can't you knock? can't she knock? can't we knock? can't you knock? can't they knock?  | can't I be knocking? can't you be knocking? can't she be knocking? can't we be knocking? can't you be knocking? can't they be knocking?  | 
Perfect | Perfect en V-ing | 
| can't I have knocked? can't you have knocked? can't she have knocked? can't we have knocked? can't you have knocked? can't they have knocked?  | can't I have been knocking? can't you have been knocking? can't she have been knocking? can't we have been knocking? can't you have been knocking? can't they have been knocking?  |