I must shovel you must shovel she must shovel we must shovel you must shovel they must shovel
Forma con V-ing
I must be shovelling you must be shovelling she must be shovelling we must be shovelling you must be shovelling they must be shovelling
Perfecto
I must have shovelled you must have shovelled she must have shovelled we must have shovelled you must have shovelled they must have shovelled
Perfecto con V-ing
I must have been shovelling you must have been shovelling she must have been shovelling we must have been shovelling you must have been shovelling they must have been shovelling
Negación
Forma simple
I mustn't shovel you mustn't shovel she mustn't shovel we mustn't shovel you mustn't shovel they mustn't shovel
Forma con V-ing
I mustn't be shovelling you mustn't be shovelling she mustn't be shovelling we mustn't be shovelling you mustn't be shovelling they mustn't be shovelling
Perfecto
I mustn't have shovelled you mustn't have shovelled she mustn't have shovelled we mustn't have shovelled you mustn't have shovelled they mustn't have shovelled
Perfecto con V-ing
I mustn't have been shovelling you mustn't have been shovelling she mustn't have been shovelling we mustn't have been shovelling you mustn't have been shovelling they mustn't have been shovelling
Forma interrogativa
Forma simple
must I shovel? must you shovel? must she shovel? must we shovel? must you shovel? must they shovel?
Forma con V-ing
must I be shovelling? must you be shovelling? must she be shovelling? must we be shovelling? must you be shovelling? must they be shovelling?
Perfecto
must I have shovelled? must you have shovelled? must she have shovelled? must we have shovelled? must you have shovelled? must they have shovelled?
Perfecto con V-ing
must I have been shovelling? must you have been shovelling? must she have been shovelling? must we have been shovelling? must you have been shovelling? must they have been shovelling?
Forma interro-negativa
Forma simple
mustn't I shovel? mustn't you shovel? mustn't she shovel? mustn't we shovel? mustn't you shovel? mustn't they shovel?
Forma con V-ing
mustn't I be shovelling? mustn't you be shovelling? mustn't she be shovelling? mustn't we be shovelling? mustn't you be shovelling? mustn't they be shovelling?
Perfecto
mustn't I have shovelled? mustn't you have shovelled? mustn't she have shovelled? mustn't we have shovelled? mustn't you have shovelled? mustn't they have shovelled?
Perfecto con V-ing
mustn't I have been shovelling? mustn't you have been shovelling? mustn't she have been shovelling? mustn't we have been shovelling? mustn't you have been shovelling? mustn't they have been shovelling?