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