I must whittle you must whittle he must whittle we must whittle you must whittle they must whittle
Forma con V-ing
I must be whittling you must be whittling he must be whittling we must be whittling you must be whittling they must be whittling
Perfecto
I must have whittled you must have whittled he must have whittled we must have whittled you must have whittled they must have whittled
Perfecto con V-ing
I must have been whittling you must have been whittling he must have been whittling we must have been whittling you must have been whittling they must have been whittling
Negación
Forma simple
I mustn't whittle you mustn't whittle he mustn't whittle we mustn't whittle you mustn't whittle they mustn't whittle
Forma con V-ing
I mustn't be whittling you mustn't be whittling he mustn't be whittling we mustn't be whittling you mustn't be whittling they mustn't be whittling
Perfecto
I mustn't have whittled you mustn't have whittled he mustn't have whittled we mustn't have whittled you mustn't have whittled they mustn't have whittled
Perfecto con V-ing
I mustn't have been whittling you mustn't have been whittling he mustn't have been whittling we mustn't have been whittling you mustn't have been whittling they mustn't have been whittling
Forma interrogativa
Forma simple
must I whittle? must you whittle? must he whittle? must we whittle? must you whittle? must they whittle?
Forma con V-ing
must I be whittling? must you be whittling? must he be whittling? must we be whittling? must you be whittling? must they be whittling?
Perfecto
must I have whittled? must you have whittled? must he have whittled? must we have whittled? must you have whittled? must they have whittled?
Perfecto con V-ing
must I have been whittling? must you have been whittling? must he have been whittling? must we have been whittling? must you have been whittling? must they have been whittling?
Forma interro-negativa
Forma simple
mustn't I whittle? mustn't you whittle? mustn't he whittle? mustn't we whittle? mustn't you whittle? mustn't they whittle?
Forma con V-ing
mustn't I be whittling? mustn't you be whittling? mustn't he be whittling? mustn't we be whittling? mustn't you be whittling? mustn't they be whittling?
Perfecto
mustn't I have whittled? mustn't you have whittled? mustn't he have whittled? mustn't we have whittled? mustn't you have whittled? mustn't they have whittled?
Perfecto con V-ing
mustn't I have been whittling? mustn't you have been whittling? mustn't he have been whittling? mustn't we have been whittling? mustn't you have been whittling? mustn't they have been whittling?