I must standardise you must standardise she must standardise we must standardise you must standardise they must standardise
Forme en V-ing
I must be standardising you must be standardising she must be standardising we must be standardising you must be standardising they must be standardising
Perfect
I must have standardised you must have standardised she must have standardised we must have standardised you must have standardised they must have standardised
Perfect en V-ing
I must have been standardising you must have been standardising she must have been standardising we must have been standardising you must have been standardising they must have been standardising
Négation
Forme simple
I mustn't standardise you mustn't standardise she mustn't standardise we mustn't standardise you mustn't standardise they mustn't standardise
Forme en V-ing
I mustn't be standardising you mustn't be standardising she mustn't be standardising we mustn't be standardising you mustn't be standardising they mustn't be standardising
Perfect
I mustn't have standardised you mustn't have standardised she mustn't have standardised we mustn't have standardised you mustn't have standardised they mustn't have standardised
Perfect en V-ing
I mustn't have been standardising you mustn't have been standardising she mustn't have been standardising we mustn't have been standardising you mustn't have been standardising they mustn't have been standardising
Forme interrogative
Forme simple
must I standardise? must you standardise? must she standardise? must we standardise? must you standardise? must they standardise?
Forme en V-ing
must I be standardising? must you be standardising? must she be standardising? must we be standardising? must you be standardising? must they be standardising?
Perfect
must I have standardised? must you have standardised? must she have standardised? must we have standardised? must you have standardised? must they have standardised?
Perfect en V-ing
must I have been standardising? must you have been standardising? must she have been standardising? must we have been standardising? must you have been standardising? must they have been standardising?
Forme interro-négative
Forme simple
mustn't I standardise? mustn't you standardise? mustn't she standardise? mustn't we standardise? mustn't you standardise? mustn't they standardise?
Forme en V-ing
mustn't I be standardising? mustn't you be standardising? mustn't she be standardising? mustn't we be standardising? mustn't you be standardising? mustn't they be standardising?
Perfect
mustn't I have standardised? mustn't you have standardised? mustn't she have standardised? mustn't we have standardised? mustn't you have standardised? mustn't they have standardised?
Perfect en V-ing
mustn't I have been standardising? mustn't you have been standardising? mustn't she have been standardising? mustn't we have been standardising? mustn't you have been standardising? mustn't they have been standardising?