
Verbe irrégulier : understand - understood - understood
Traduction française : comprendre 
Forme simple | Forme en V-ing | 
| I can understand you can understand he can understand we can understand you can understand they can understand  | I can be understanding you can be understanding he can be understanding we can be understanding you can be understanding they can be understanding  | 
Perfect | Perfect en V-ing | 
| I can have understood you can have understood he can have understood we can have understood you can have understood they can have understood  | I can have been understanding you can have been understanding he can have been understanding we can have been understanding you can have been understanding they can have been understanding  | 
Forme simple | Forme en V-ing | 
| I can't understand you can't understand he can't understand we can't understand you can't understand they can't understand  | I can't be understanding you can't be understanding he can't be understanding we can't be understanding you can't be understanding they can't be understanding  | 
Perfect | Perfect en V-ing | 
| I can't have understood you can't have understood he can't have understood we can't have understood you can't have understood they can't have understood  | I can't have been understanding you can't have been understanding he can't have been understanding we can't have been understanding you can't have been understanding they can't have been understanding  | 
Forme simple | Forme en V-ing | 
| can I understand? can you understand? can he understand? can we understand? can you understand? can they understand?  | can I be understanding? can you be understanding? can he be understanding? can we be understanding? can you be understanding? can they be understanding?  | 
Perfect | Perfect en V-ing | 
| can I have understood? can you have understood? can he have understood? can we have understood? can you have understood? can they have understood?  | can I have been understanding? can you have been understanding? can he have been understanding? can we have been understanding? can you have been understanding? can they have been understanding?  | 
Forme simple | Forme en V-ing | 
| can't I understand? can't you understand? can't he understand? can't we understand? can't you understand? can't they understand?  | can't I be understanding? can't you be understanding? can't he be understanding? can't we be understanding? can't you be understanding? can't they be understanding?  | 
Perfect | Perfect en V-ing | 
| can't I have understood? can't you have understood? can't he have understood? can't we have understood? can't you have understood? can't they have understood?  | can't I have been understanding? can't you have been understanding? can't he have been understanding? can't we have been understanding? can't you have been understanding? can't they have been understanding?  |