
Verbe régulier : seem -  seemed - seemed
Traduction française : sembler - paraître 
Forme simple | Forme en V-ing | 
| - - it must seem - - -  | - - it must be seeming - - -  | 
Perfect | Perfect en V-ing | 
| - - it must have seemed - - -  | - - it must have been seeming - - -  | 
Forme simple | Forme en V-ing | 
| - - it mustn't seem - - -  | - - it mustn't be seeming - - -  | 
Perfect | Perfect en V-ing | 
| - - it mustn't have seemed - - -  | - - it mustn't have been seeming - - -  | 
Forme simple | Forme en V-ing | 
| - - must it seem? - - -  | - - must it be seeming? - - -  | 
Perfect | Perfect en V-ing | 
| - - must it have seemed? - - -  | - - must it have been seeming? - - -  | 
Forme simple | Forme en V-ing | 
| - - mustn't it seem? - - -  | - - mustn't it be seeming? - - -  | 
Perfect | Perfect en V-ing | 
| - - mustn't it have seemed? - - -  | - - mustn't it have been seeming? - - -  |