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