Conjugación del verbo inglés
MUST FLUTTER

Verbo regular: flutter - fluttered - fluttered

Afirmación

Forma simple	Forma con V-ing
I must flutter you must flutter he must flutter we must flutter you must flutter they must flutter	I must be fluttering you must be fluttering he must be fluttering we must be fluttering you must be fluttering they must be fluttering
Perfecto	Perfecto con V-ing
I must have fluttered you must have fluttered he must have fluttered we must have fluttered you must have fluttered they must have fluttered	I must have been fluttering you must have been fluttering he must have been fluttering we must have been fluttering you must have been fluttering they must have been fluttering

Negación

Forma simple	Forma con V-ing
I mustn't flutter you mustn't flutter he mustn't flutter we mustn't flutter you mustn't flutter they mustn't flutter	I mustn't be fluttering you mustn't be fluttering he mustn't be fluttering we mustn't be fluttering you mustn't be fluttering they mustn't be fluttering
Perfecto	Perfecto con V-ing
I mustn't have fluttered you mustn't have fluttered he mustn't have fluttered we mustn't have fluttered you mustn't have fluttered they mustn't have fluttered	I mustn't have been fluttering you mustn't have been fluttering he mustn't have been fluttering we mustn't have been fluttering you mustn't have been fluttering they mustn't have been fluttering

Forma interrogativa

Forma simple	Forma con V-ing
must I flutter? must you flutter? must he flutter? must we flutter? must you flutter? must they flutter?	must I be fluttering? must you be fluttering? must he be fluttering? must we be fluttering? must you be fluttering? must they be fluttering?
Perfecto	Perfecto con V-ing
must I have fluttered? must you have fluttered? must he have fluttered? must we have fluttered? must you have fluttered? must they have fluttered?	must I have been fluttering? must you have been fluttering? must he have been fluttering? must we have been fluttering? must you have been fluttering? must they have been fluttering?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I flutter? mustn't you flutter? mustn't he flutter? mustn't we flutter? mustn't you flutter? mustn't they flutter?	mustn't I be fluttering? mustn't you be fluttering? mustn't he be fluttering? mustn't we be fluttering? mustn't you be fluttering? mustn't they be fluttering?
Perfecto	Perfecto con V-ing
mustn't I have fluttered? mustn't you have fluttered? mustn't he have fluttered? mustn't we have fluttered? mustn't you have fluttered? mustn't they have fluttered?	mustn't I have been fluttering? mustn't you have been fluttering? mustn't he have been fluttering? mustn't we have been fluttering? mustn't you have been fluttering? mustn't they have been fluttering?