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