Conjugaison du verbe anglais
MUST ASCERTAIN
Verbe régulier : ascertain - ascertained - ascertained
Traduction française : établir - constater
Forme simple | Forme en V-ing |
| I must ascertain you must ascertain he must ascertain we must ascertain you must ascertain they must ascertain | I must be ascertaining you must be ascertaining he must be ascertaining we must be ascertaining you must be ascertaining they must be ascertaining |
Perfect | Perfect en V-ing |
| I must have ascertained you must have ascertained he must have ascertained we must have ascertained you must have ascertained they must have ascertained | I must have been ascertaining you must have been ascertaining he must have been ascertaining we must have been ascertaining you must have been ascertaining they must have been ascertaining |
Forme simple | Forme en V-ing |
| I mustn't ascertain you mustn't ascertain he mustn't ascertain we mustn't ascertain you mustn't ascertain they mustn't ascertain | I mustn't be ascertaining you mustn't be ascertaining he mustn't be ascertaining we mustn't be ascertaining you mustn't be ascertaining they mustn't be ascertaining |
Perfect | Perfect en V-ing |
| I mustn't have ascertained you mustn't have ascertained he mustn't have ascertained we mustn't have ascertained you mustn't have ascertained they mustn't have ascertained | I mustn't have been ascertaining you mustn't have been ascertaining he mustn't have been ascertaining we mustn't have been ascertaining you mustn't have been ascertaining they mustn't have been ascertaining |
Forme simple | Forme en V-ing |
| must I ascertain? must you ascertain? must he ascertain? must we ascertain? must you ascertain? must they ascertain? | must I be ascertaining? must you be ascertaining? must he be ascertaining? must we be ascertaining? must you be ascertaining? must they be ascertaining? |
Perfect | Perfect en V-ing |
| must I have ascertained? must you have ascertained? must he have ascertained? must we have ascertained? must you have ascertained? must they have ascertained? | must I have been ascertaining? must you have been ascertaining? must he have been ascertaining? must we have been ascertaining? must you have been ascertaining? must they have been ascertaining? |
Forme simple | Forme en V-ing |
| mustn't I ascertain? mustn't you ascertain? mustn't he ascertain? mustn't we ascertain? mustn't you ascertain? mustn't they ascertain? | mustn't I be ascertaining? mustn't you be ascertaining? mustn't he be ascertaining? mustn't we be ascertaining? mustn't you be ascertaining? mustn't they be ascertaining? |
Perfect | Perfect en V-ing |
| mustn't I have ascertained? mustn't you have ascertained? mustn't he have ascertained? mustn't we have ascertained? mustn't you have ascertained? mustn't they have ascertained? | mustn't I have been ascertaining? mustn't you have been ascertaining? mustn't he have been ascertaining? mustn't we have been ascertaining? mustn't you have been ascertaining? mustn't they have been ascertaining? |