I must blunder you must blunder he must blunder we must blunder you must blunder they must blunder
Forma com V-ing
I must be blundering you must be blundering he must be blundering we must be blundering you must be blundering they must be blundering
Perfeito
I must have blundered you must have blundered he must have blundered we must have blundered you must have blundered they must have blundered
Perfeito com V-ing
I must have been blundering you must have been blundering he must have been blundering we must have been blundering you must have been blundering they must have been blundering
Negação
Forma simple
I mustn't blunder you mustn't blunder he mustn't blunder we mustn't blunder you mustn't blunder they mustn't blunder
Forma com V-ing
I mustn't be blundering you mustn't be blundering he mustn't be blundering we mustn't be blundering you mustn't be blundering they mustn't be blundering
Perfeito
I mustn't have blundered you mustn't have blundered he mustn't have blundered we mustn't have blundered you mustn't have blundered they mustn't have blundered
Perfeito com V-ing
I mustn't have been blundering you mustn't have been blundering he mustn't have been blundering we mustn't have been blundering you mustn't have been blundering they mustn't have been blundering
Forma interrogativa
Forma simple
must I blunder? must you blunder? must he blunder? must we blunder? must you blunder? must they blunder?
Forma com V-ing
must I be blundering? must you be blundering? must he be blundering? must we be blundering? must you be blundering? must they be blundering?
Perfeito
must I have blundered? must you have blundered? must he have blundered? must we have blundered? must you have blundered? must they have blundered?
Perfeito com V-ing
must I have been blundering? must you have been blundering? must he have been blundering? must we have been blundering? must you have been blundering? must they have been blundering?
Forma interro-Negação
Forma simple
mustn't I blunder? mustn't you blunder? mustn't he blunder? mustn't we blunder? mustn't you blunder? mustn't they blunder?
Forma com V-ing
mustn't I be blundering? mustn't you be blundering? mustn't he be blundering? mustn't we be blundering? mustn't you be blundering? mustn't they be blundering?
Perfeito
mustn't I have blundered? mustn't you have blundered? mustn't he have blundered? mustn't we have blundered? mustn't you have blundered? mustn't they have blundered?
Perfeito com V-ing
mustn't I have been blundering? mustn't you have been blundering? mustn't he have been blundering? mustn't we have been blundering? mustn't you have been blundering? mustn't they have been blundering?