I must stretch you must stretch she must stretch we must stretch you must stretch they must stretch
Forme en V-ing
I must be stretching you must be stretching she must be stretching we must be stretching you must be stretching they must be stretching
Perfect
I must have stretched you must have stretched she must have stretched we must have stretched you must have stretched they must have stretched
Perfect en V-ing
I must have been stretching you must have been stretching she must have been stretching we must have been stretching you must have been stretching they must have been stretching
Négation
Forme simple
I mustn't stretch you mustn't stretch she mustn't stretch we mustn't stretch you mustn't stretch they mustn't stretch
Forme en V-ing
I mustn't be stretching you mustn't be stretching she mustn't be stretching we mustn't be stretching you mustn't be stretching they mustn't be stretching
Perfect
I mustn't have stretched you mustn't have stretched she mustn't have stretched we mustn't have stretched you mustn't have stretched they mustn't have stretched
Perfect en V-ing
I mustn't have been stretching you mustn't have been stretching she mustn't have been stretching we mustn't have been stretching you mustn't have been stretching they mustn't have been stretching
Forme interrogative
Forme simple
must I stretch? must you stretch? must she stretch? must we stretch? must you stretch? must they stretch?
Forme en V-ing
must I be stretching? must you be stretching? must she be stretching? must we be stretching? must you be stretching? must they be stretching?
Perfect
must I have stretched? must you have stretched? must she have stretched? must we have stretched? must you have stretched? must they have stretched?
Perfect en V-ing
must I have been stretching? must you have been stretching? must she have been stretching? must we have been stretching? must you have been stretching? must they have been stretching?
Forme interro-négative
Forme simple
mustn't I stretch? mustn't you stretch? mustn't she stretch? mustn't we stretch? mustn't you stretch? mustn't they stretch?
Forme en V-ing
mustn't I be stretching? mustn't you be stretching? mustn't she be stretching? mustn't we be stretching? mustn't you be stretching? mustn't they be stretching?
Perfect
mustn't I have stretched? mustn't you have stretched? mustn't she have stretched? mustn't we have stretched? mustn't you have stretched? mustn't they have stretched?
Perfect en V-ing
mustn't I have been stretching? mustn't you have been stretching? mustn't she have been stretching? mustn't we have been stretching? mustn't you have been stretching? mustn't they have been stretching?