must modify
Verbe régulier : modify - modified- modified
Traduction française : modifier - modérer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must modify
you must modify
she must modify
we must modify
you must modify
they must modify 	I must be modifying
you must be modifying
she must be modifying
we must be modifying
you must be modifying
they must be modifying	I must have modified
you must have modified
she must have modified
we must have modified
you must have modified
they must have modified	I must have been modifying
you must have been modifying
she must have been modifying
we must have been modifying
you must have been modifying
they must have been modifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not modify
you must not modify
she must not modify
we must not modify
you must not modify
they must not modify 	I must not be modifying
you must not be modifying
she must not be modifying
we must not be modifying
you must not be modifying
they must not be modifying	I must not have modified
you must not have modified
she must not have modified
we must not have modified
you must not have modified
they must not have modified	I must not have been modifying
you must not have been modifying
she must not have been modifying
we must not have been modifying
you must not have been modifying
they must not have been modifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I modify?
must you modify?
must she modify?
must we modify?
must you modify?
must they modify? 	must I be modifying?
must you be modifying?
must she be modifying?
must we be modifying?
must you be modifying?
must they be modifying? 	must I have modified?
must you have modified?
must she have modified?
must we have modified?
must you have modified?
must they have modified? 	must I have been modifying?
must you have been modifying?
must she have been modifying?
must we have been modifying?
must you have been modifying?
must they have been modifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not modify?
must you not modify?
must she not modify?
must we not modify?
must you not modify?
must they not modify? 	must I not be modifying?
must you not be modifying?
must she not be modifying?
must we not be modifying?
must you not be modifying?
must they not be modifying? 	must I not have modified?
must you not have modified?
must she not have modified?
must we not have modified?
must you not have modified?
must they not have modified? 	must I not have been modifying?
must you not have been modifying?
must she not have been modifying?
must we not have been modifying?
must you not have been modifying?
must they not have been modifying?