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