
Verbe régulier : slip -  slipped - slipped
Traduction française : glisser - glisser 
Forme simple | Forme en V-ing | 
| I could slip you could slip he could slip we could slip you could slip they could slip  | I could be slipping you could be slipping he could be slipping we could be slipping you could be slipping they could be slipping  | 
Perfect | Perfect en V-ing | 
| I could have slipped you could have slipped he could have slipped we could have slipped you could have slipped they could have slipped  | I could have been slipping you could have been slipping he could have been slipping we could have been slipping you could have been slipping they could have been slipping  | 
Forme simple | Forme en V-ing | 
| I couldn't slip you couldn't slip he couldn't slip we couldn't slip you couldn't slip they couldn't slip  | I couldn't be slipping you couldn't be slipping he couldn't be slipping we couldn't be slipping you couldn't be slipping they couldn't be slipping  | 
Perfect | Perfect en V-ing | 
| I couldn't have slipped you couldn't have slipped he couldn't have slipped we couldn't have slipped you couldn't have slipped they couldn't have slipped  | I couldn't have been slipping you couldn't have been slipping he couldn't have been slipping we couldn't have been slipping you couldn't have been slipping they couldn't have been slipping  | 
Forme simple | Forme en V-ing | 
| could I slip? could you slip? could he slip? could we slip? could you slip? could they slip?  | could I be slipping? could you be slipping? could he be slipping? could we be slipping? could you be slipping? could they be slipping?  | 
Perfect | Perfect en V-ing | 
| could I have slipped? could you have slipped? could he have slipped? could we have slipped? could you have slipped? could they have slipped?  | could I have been slipping? could you have been slipping? could he have been slipping? could we have been slipping? could you have been slipping? could they have been slipping?  | 
Forme simple | Forme en V-ing | 
| couldn't I slip? couldn't you slip? couldn't he slip? couldn't we slip? couldn't you slip? couldn't they slip?  | couldn't I be slipping? couldn't you be slipping? couldn't he be slipping? couldn't we be slipping? couldn't you be slipping? couldn't they be slipping?  | 
Perfect | Perfect en V-ing | 
| couldn't I have slipped? couldn't you have slipped? couldn't he have slipped? couldn't we have slipped? couldn't you have slipped? couldn't they have slipped?  | couldn't I have been slipping? couldn't you have been slipping? couldn't he have been slipping? couldn't we have been slipping? couldn't you have been slipping? couldn't they have been slipping?  |