must retestify
Verbe régulier : retestify - retestified- retestified

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must retestify
you must retestify
she must retestify
we must retestify
you must retestify
they must retestify 	I must be retestifying
you must be retestifying
she must be retestifying
we must be retestifying
you must be retestifying
they must be retestifying	I must have retestified
you must have retestified
she must have retestified
we must have retestified
you must have retestified
they must have retestified	I must have been retestifying
you must have been retestifying
she must have been retestifying
we must have been retestifying
you must have been retestifying
they must have been retestifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't retestify
you mustn't retestify
she mustn't retestify
we mustn't retestify
you mustn't retestify
they mustn't retestify 	I mustn't be retestifying
you mustn't be retestifying
she mustn't be retestifying
we mustn't be retestifying
you mustn't be retestifying
they mustn't be retestifying	I mustn't have retestified
you mustn't have retestified
she mustn't have retestified
we mustn't have retestified
you mustn't have retestified
they mustn't have retestified	I mustn't have been retestifying
you mustn't have been retestifying
she mustn't have been retestifying
we mustn't have been retestifying
you mustn't have been retestifying
they mustn't have been retestifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I retestify?
must you retestify?
must she retestify?
must we retestify?
must you retestify?
must they retestify? 	must I be retestifying?
must you be retestifying?
must she be retestifying?
must we be retestifying?
must you be retestifying?
must they be retestifying? 	must I have retestified?
must you have retestified?
must she have retestified?
must we have retestified?
must you have retestified?
must they have retestified? 	must I have been retestifying?
must you have been retestifying?
must she have been retestifying?
must we have been retestifying?
must you have been retestifying?
must they have been retestifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I retestify?
mustn't you retestify?
mustn't she retestify?
mustn't we retestify?
mustn't you retestify?
mustn't they retestify? 	mustn't I be retestifying?
mustn't you be retestifying?
mustn't she be retestifying?
mustn't we be retestifying?
mustn't you be retestifying?
mustn't they be retestifying? 	mustn't I have retestified?
mustn't you have retestified?
mustn't she have retestified?
mustn't we have retestified?
mustn't you have retestified?
mustn't they have retestified? 	mustn't I have been retestifying?
mustn't you have been retestifying?
mustn't she have been retestifying?
mustn't we have been retestifying?
mustn't you have been retestifying?
mustn't they have been retestifying?