I must summersault you must summersault she must summersault we must summersault you must summersault they must summersault
Forme en V-ing
I must be summersaulting you must be summersaulting she must be summersaulting we must be summersaulting you must be summersaulting they must be summersaulting
Perfect
I must have summersaulted you must have summersaulted she must have summersaulted we must have summersaulted you must have summersaulted they must have summersaulted
Perfect en V-ing
I must have been summersaulting you must have been summersaulting she must have been summersaulting we must have been summersaulting you must have been summersaulting they must have been summersaulting
Négation
Forme simple
I must not summersault you must not summersault she must not summersault we must not summersault you must not summersault they must not summersault
Forme en V-ing
I must not be summersaulting you must not be summersaulting she must not be summersaulting we must not be summersaulting you must not be summersaulting they must not be summersaulting
Perfect
I must not have summersaulted you must not have summersaulted she must not have summersaulted we must not have summersaulted you must not have summersaulted they must not have summersaulted
Perfect en V-ing
I must not have been summersaulting you must not have been summersaulting she must not have been summersaulting we must not have been summersaulting you must not have been summersaulting they must not have been summersaulting
Forme interrogative
Forme simple
must I summersault? must you summersault? must she summersault? must we summersault? must you summersault? must they summersault?
Forme en V-ing
must I be summersaulting? must you be summersaulting? must she be summersaulting? must we be summersaulting? must you be summersaulting? must they be summersaulting?
Perfect
must I have summersaulted? must you have summersaulted? must she have summersaulted? must we have summersaulted? must you have summersaulted? must they have summersaulted?
Perfect en V-ing
must I have been summersaulting? must you have been summersaulting? must she have been summersaulting? must we have been summersaulting? must you have been summersaulting? must they have been summersaulting?
Forme interro-négative
Forme simple
must I not summersault? must you not summersault? must she not summersault? must we not summersault? must you not summersault? must they not summersault?
Forme en V-ing
must I not be summersaulting? must you not be summersaulting? must she not be summersaulting? must we not be summersaulting? must you not be summersaulting? must they not be summersaulting?
Perfect
must I not have summersaulted? must you not have summersaulted? must she not have summersaulted? must we not have summersaulted? must you not have summersaulted? must they not have summersaulted?
Perfect en V-ing
must I not have been summersaulting? must you not have been summersaulting? must she not have been summersaulting? must we not have been summersaulting? must you not have been summersaulting? must they not have been summersaulting?