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