I must flounder you must flounder he must flounder we must flounder you must flounder they must flounder
Forme en V-ing
I must be floundering you must be floundering he must be floundering we must be floundering you must be floundering they must be floundering
Perfect
I must have floundered you must have floundered he must have floundered we must have floundered you must have floundered they must have floundered
Perfect en V-ing
I must have been floundering you must have been floundering he must have been floundering we must have been floundering you must have been floundering they must have been floundering
Négation
Forme simple
I must not flounder you must not flounder he must not flounder we must not flounder you must not flounder they must not flounder
Forme en V-ing
I must not be floundering you must not be floundering he must not be floundering we must not be floundering you must not be floundering they must not be floundering
Perfect
I must not have floundered you must not have floundered he must not have floundered we must not have floundered you must not have floundered they must not have floundered
Perfect en V-ing
I must not have been floundering you must not have been floundering he must not have been floundering we must not have been floundering you must not have been floundering they must not have been floundering
Forme interrogative
Forme simple
must I flounder? must you flounder? must he flounder? must we flounder? must you flounder? must they flounder?
Forme en V-ing
must I be floundering? must you be floundering? must he be floundering? must we be floundering? must you be floundering? must they be floundering?
Perfect
must I have floundered? must you have floundered? must he have floundered? must we have floundered? must you have floundered? must they have floundered?
Perfect en V-ing
must I have been floundering? must you have been floundering? must he have been floundering? must we have been floundering? must you have been floundering? must they have been floundering?
Forme interro-négative
Forme simple
must I not flounder? must you not flounder? must he not flounder? must we not flounder? must you not flounder? must they not flounder?
Forme en V-ing
must I not be floundering? must you not be floundering? must he not be floundering? must we not be floundering? must you not be floundering? must they not be floundering?
Perfect
must I not have floundered? must you not have floundered? must he not have floundered? must we not have floundered? must you not have floundered? must they not have floundered?
Perfect en V-ing
must I not have been floundering? must you not have been floundering? must he not have been floundering? must we not have been floundering? must you not have been floundering? must they not have been floundering?