must square
Verbe régulier : square - squared- squared
Traduction française : mettre droit - cadrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must square
you must square
she must square
we must square
you must square
they must square 	I must be squaring
you must be squaring
she must be squaring
we must be squaring
you must be squaring
they must be squaring	I must have squared
you must have squared
she must have squared
we must have squared
you must have squared
they must have squared	I must have been squaring
you must have been squaring
she must have been squaring
we must have been squaring
you must have been squaring
they must have been squaring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't square
you mustn't square
she mustn't square
we mustn't square
you mustn't square
they mustn't square 	I mustn't be squaring
you mustn't be squaring
she mustn't be squaring
we mustn't be squaring
you mustn't be squaring
they mustn't be squaring	I mustn't have squared
you mustn't have squared
she mustn't have squared
we mustn't have squared
you mustn't have squared
they mustn't have squared	I mustn't have been squaring
you mustn't have been squaring
she mustn't have been squaring
we mustn't have been squaring
you mustn't have been squaring
they mustn't have been squaring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I square?
must you square?
must she square?
must we square?
must you square?
must they square? 	must I be squaring?
must you be squaring?
must she be squaring?
must we be squaring?
must you be squaring?
must they be squaring? 	must I have squared?
must you have squared?
must she have squared?
must we have squared?
must you have squared?
must they have squared? 	must I have been squaring?
must you have been squaring?
must she have been squaring?
must we have been squaring?
must you have been squaring?
must they have been squaring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I square?
mustn't you square?
mustn't she square?
mustn't we square?
mustn't you square?
mustn't they square? 	mustn't I be squaring?
mustn't you be squaring?
mustn't she be squaring?
mustn't we be squaring?
mustn't you be squaring?
mustn't they be squaring? 	mustn't I have squared?
mustn't you have squared?
mustn't she have squared?
mustn't we have squared?
mustn't you have squared?
mustn't they have squared? 	mustn't I have been squaring?
mustn't you have been squaring?
mustn't she have been squaring?
mustn't we have been squaring?
mustn't you have been squaring?
mustn't they have been squaring?