
Verbe régulier : clean -  cleaned - cleaned
Traduction française : nettoyer 
Forme simple | Forme en V-ing | 
| I could clean you could clean she could clean we could clean you could clean they could clean  | I could be cleaning you could be cleaning she could be cleaning we could be cleaning you could be cleaning they could be cleaning  | 
Perfect | Perfect en V-ing | 
| I could have cleaned you could have cleaned she could have cleaned we could have cleaned you could have cleaned they could have cleaned  | I could have been cleaning you could have been cleaning she could have been cleaning we could have been cleaning you could have been cleaning they could have been cleaning  | 
Forme simple | Forme en V-ing | 
| I couldn't clean you couldn't clean she couldn't clean we couldn't clean you couldn't clean they couldn't clean  | I couldn't be cleaning you couldn't be cleaning she couldn't be cleaning we couldn't be cleaning you couldn't be cleaning they couldn't be cleaning  | 
Perfect | Perfect en V-ing | 
| I couldn't have cleaned you couldn't have cleaned she couldn't have cleaned we couldn't have cleaned you couldn't have cleaned they couldn't have cleaned  | I couldn't have been cleaning you couldn't have been cleaning she couldn't have been cleaning we couldn't have been cleaning you couldn't have been cleaning they couldn't have been cleaning  | 
Forme simple | Forme en V-ing | 
| could I clean? could you clean? could she clean? could we clean? could you clean? could they clean?  | could I be cleaning? could you be cleaning? could she be cleaning? could we be cleaning? could you be cleaning? could they be cleaning?  | 
Perfect | Perfect en V-ing | 
| could I have cleaned? could you have cleaned? could she have cleaned? could we have cleaned? could you have cleaned? could they have cleaned?  | could I have been cleaning? could you have been cleaning? could she have been cleaning? could we have been cleaning? could you have been cleaning? could they have been cleaning?  | 
Forme simple | Forme en V-ing | 
| couldn't I clean? couldn't you clean? couldn't she clean? couldn't we clean? couldn't you clean? couldn't they clean?  | couldn't I be cleaning? couldn't you be cleaning? couldn't she be cleaning? couldn't we be cleaning? couldn't you be cleaning? couldn't they be cleaning?  | 
Perfect | Perfect en V-ing | 
| couldn't I have cleaned? couldn't you have cleaned? couldn't she have cleaned? couldn't we have cleaned? couldn't you have cleaned? couldn't they have cleaned?  | couldn't I have been cleaning? couldn't you have been cleaning? couldn't she have been cleaning? couldn't we have been cleaning? couldn't you have been cleaning? couldn't they have been cleaning?  |