
Verbe régulier : laugh -  laughed - laughed
Traduction française : rire - rire 
Forme simple | Forme en V-ing | 
| I could laugh you could laugh she could laugh we could laugh you could laugh they could laugh  | I could be laughing you could be laughing she could be laughing we could be laughing you could be laughing they could be laughing  | 
Perfect | Perfect en V-ing | 
| I could have laughed you could have laughed she could have laughed we could have laughed you could have laughed they could have laughed  | I could have been laughing you could have been laughing she could have been laughing we could have been laughing you could have been laughing they could have been laughing  | 
Forme simple | Forme en V-ing | 
| I couldn't laugh you couldn't laugh she couldn't laugh we couldn't laugh you couldn't laugh they couldn't laugh  | I couldn't be laughing you couldn't be laughing she couldn't be laughing we couldn't be laughing you couldn't be laughing they couldn't be laughing  | 
Perfect | Perfect en V-ing | 
| I couldn't have laughed you couldn't have laughed she couldn't have laughed we couldn't have laughed you couldn't have laughed they couldn't have laughed  | I couldn't have been laughing you couldn't have been laughing she couldn't have been laughing we couldn't have been laughing you couldn't have been laughing they couldn't have been laughing  | 
Forme simple | Forme en V-ing | 
| could I laugh? could you laugh? could she laugh? could we laugh? could you laugh? could they laugh?  | could I be laughing? could you be laughing? could she be laughing? could we be laughing? could you be laughing? could they be laughing?  | 
Perfect | Perfect en V-ing | 
| could I have laughed? could you have laughed? could she have laughed? could we have laughed? could you have laughed? could they have laughed?  | could I have been laughing? could you have been laughing? could she have been laughing? could we have been laughing? could you have been laughing? could they have been laughing?  | 
Forme simple | Forme en V-ing | 
| couldn't I laugh? couldn't you laugh? couldn't she laugh? couldn't we laugh? couldn't you laugh? couldn't they laugh?  | couldn't I be laughing? couldn't you be laughing? couldn't she be laughing? couldn't we be laughing? couldn't you be laughing? couldn't they be laughing?  | 
Perfect | Perfect en V-ing | 
| couldn't I have laughed? couldn't you have laughed? couldn't she have laughed? couldn't we have laughed? couldn't you have laughed? couldn't they have laughed?  | couldn't I have been laughing? couldn't you have been laughing? couldn't she have been laughing? couldn't we have been laughing? couldn't you have been laughing? couldn't they have been laughing?  |