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