must preshape
Verbe régulier : preshape - preshaped- preshaped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preshape
you must preshape
she must preshape
we must preshape
you must preshape
they must preshape 	I must be preshaping
you must be preshaping
she must be preshaping
we must be preshaping
you must be preshaping
they must be preshaping	I must have preshaped
you must have preshaped
she must have preshaped
we must have preshaped
you must have preshaped
they must have preshaped	I must have been preshaping
you must have been preshaping
she must have been preshaping
we must have been preshaping
you must have been preshaping
they must have been preshaping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preshape
you mustn't preshape
she mustn't preshape
we mustn't preshape
you mustn't preshape
they mustn't preshape 	I mustn't be preshaping
you mustn't be preshaping
she mustn't be preshaping
we mustn't be preshaping
you mustn't be preshaping
they mustn't be preshaping	I mustn't have preshaped
you mustn't have preshaped
she mustn't have preshaped
we mustn't have preshaped
you mustn't have preshaped
they mustn't have preshaped	I mustn't have been preshaping
you mustn't have been preshaping
she mustn't have been preshaping
we mustn't have been preshaping
you mustn't have been preshaping
they mustn't have been preshaping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preshape?
must you preshape?
must she preshape?
must we preshape?
must you preshape?
must they preshape? 	must I be preshaping?
must you be preshaping?
must she be preshaping?
must we be preshaping?
must you be preshaping?
must they be preshaping? 	must I have preshaped?
must you have preshaped?
must she have preshaped?
must we have preshaped?
must you have preshaped?
must they have preshaped? 	must I have been preshaping?
must you have been preshaping?
must she have been preshaping?
must we have been preshaping?
must you have been preshaping?
must they have been preshaping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preshape?
mustn't you preshape?
mustn't she preshape?
mustn't we preshape?
mustn't you preshape?
mustn't they preshape? 	mustn't I be preshaping?
mustn't you be preshaping?
mustn't she be preshaping?
mustn't we be preshaping?
mustn't you be preshaping?
mustn't they be preshaping? 	mustn't I have preshaped?
mustn't you have preshaped?
mustn't she have preshaped?
mustn't we have preshaped?
mustn't you have preshaped?
mustn't they have preshaped? 	mustn't I have been preshaping?
mustn't you have been preshaping?
mustn't she have been preshaping?
mustn't we have been preshaping?
mustn't you have been preshaping?
mustn't they have been preshaping?