
Verbe régulier : happen -  happened - happened
Traduction française : arriver - se passer 
Forme simple | Forme en V-ing | 
| - - it shall happen - - -  | - - it shall be happening - - -  | 
Perfect | Perfect en V-ing | 
| - - it shall have happened - - -  | - - it shall have been happening - - -  | 
Forme simple | Forme en V-ing | 
| - - it shall not happen - - -  | - - it shall not be happening - - -  | 
Perfect | Perfect en V-ing | 
| - - it shall not have happened - - -  | - - it shall not have been happening - - -  | 
Forme simple | Forme en V-ing | 
| - - shall it happen? - - -  | - - shall it be happening? - - -  | 
Perfect | Perfect en V-ing | 
| - - shall it have happened? - - -  | - - shall it have been happening? - - -  | 
Forme simple | Forme en V-ing | 
| - - shall it not happen? - - -  | - - shall it not be happening? - - -  | 
Perfect | Perfect en V-ing | 
| - - shall it not have happened? - - -  | - - shall it not have been happening? - - -  |