must aggrade
Verbe régulier : aggrade - aggraded- aggraded

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must aggrade
you must aggrade
he must aggrade
we must aggrade
you must aggrade
they must aggrade 	I must be aggrading
you must be aggrading
he must be aggrading
we must be aggrading
you must be aggrading
they must be aggrading	I must have aggraded
you must have aggraded
he must have aggraded
we must have aggraded
you must have aggraded
they must have aggraded	I must have been aggrading
you must have been aggrading
he must have been aggrading
we must have been aggrading
you must have been aggrading
they must have been aggrading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not aggrade
you must not aggrade
he must not aggrade
we must not aggrade
you must not aggrade
they must not aggrade 	I must not be aggrading
you must not be aggrading
he must not be aggrading
we must not be aggrading
you must not be aggrading
they must not be aggrading	I must not have aggraded
you must not have aggraded
he must not have aggraded
we must not have aggraded
you must not have aggraded
they must not have aggraded	I must not have been aggrading
you must not have been aggrading
he must not have been aggrading
we must not have been aggrading
you must not have been aggrading
they must not have been aggrading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I aggrade?
must you aggrade?
must he aggrade?
must we aggrade?
must you aggrade?
must they aggrade? 	must I be aggrading?
must you be aggrading?
must he be aggrading?
must we be aggrading?
must you be aggrading?
must they be aggrading? 	must I have aggraded?
must you have aggraded?
must he have aggraded?
must we have aggraded?
must you have aggraded?
must they have aggraded? 	must I have been aggrading?
must you have been aggrading?
must he have been aggrading?
must we have been aggrading?
must you have been aggrading?
must they have been aggrading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not aggrade?
must you not aggrade?
must he not aggrade?
must we not aggrade?
must you not aggrade?
must they not aggrade? 	must I not be aggrading?
must you not be aggrading?
must he not be aggrading?
must we not be aggrading?
must you not be aggrading?
must they not be aggrading? 	must I not have aggraded?
must you not have aggraded?
must he not have aggraded?
must we not have aggraded?
must you not have aggraded?
must they not have aggraded? 	must I not have been aggrading?
must you not have been aggrading?
must he not have been aggrading?
must we not have been aggrading?
must you not have been aggrading?
must they not have been aggrading?