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 must not preshape
you must not preshape
she must not preshape
we must not preshape
you must not preshape
they must not preshape 	I must not be preshaping
you must not be preshaping
she must not be preshaping
we must not be preshaping
you must not be preshaping
they must not be preshaping	I must not have preshaped
you must not have preshaped
she must not have preshaped
we must not have preshaped
you must not have preshaped
they must not have preshaped	I must not have been preshaping
you must not have been preshaping
she must not have been preshaping
we must not have been preshaping
you must not have been preshaping
they must not 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 	
must I not preshape?
must you not preshape?
must she not preshape?
must we not preshape?
must you not preshape?
must they not preshape? 	must I not be preshaping?
must you not be preshaping?
must she not be preshaping?
must we not be preshaping?
must you not be preshaping?
must they not be preshaping? 	must I not have preshaped?
must you not have preshaped?
must she not have preshaped?
must we not have preshaped?
must you not have preshaped?
must they not have preshaped? 	must I not have been preshaping?
must you not have been preshaping?
must she not have been preshaping?
must we not have been preshaping?
must you not have been preshaping?
must they not have been preshaping?