I must flounder you must flounder he must flounder we must flounder you must flounder they must flounder
Forma com 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
Perfeito
I must have floundered you must have floundered he must have floundered we must have floundered you must have floundered they must have floundered
Perfeito com 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
Negação
Forma 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
Forma com 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
Perfeito
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
Perfeito com 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
Forma interrogativa
Forma simple
must I flounder? must you flounder? must he flounder? must we flounder? must you flounder? must they flounder?
Forma com 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?
Perfeito
must I have floundered? must you have floundered? must he have floundered? must we have floundered? must you have floundered? must they have floundered?
Perfeito com 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?
Forma interro-Negação
Forma 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?
Forma com 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?
Perfeito
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?
Perfeito com 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?