must preinvestigate preinvestigate
Verbe régulier : preinvestigate preinvestigate - preinvestigate preinvestigated- preinvestigate preinvestigated

, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must preinvestigate preinvestigate
you must preinvestigate preinvestigate
he must preinvestigate preinvestigate
we must preinvestigate preinvestigate
you must preinvestigate preinvestigate
they must preinvestigate preinvestigate 	I must be preinvestigate preinvestigating
you must be preinvestigate preinvestigating
he must be preinvestigate preinvestigating
we must be preinvestigate preinvestigating
you must be preinvestigate preinvestigating
they must be preinvestigate preinvestigating	I must have preinvestigate preinvestigated
you must have preinvestigate preinvestigated
he must have preinvestigate preinvestigated
we must have preinvestigate preinvestigated
you must have preinvestigate preinvestigated
they must have preinvestigate preinvestigated	I must have been preinvestigate preinvestigating
you must have been preinvestigate preinvestigating
he must have been preinvestigate preinvestigating
we must have been preinvestigate preinvestigating
you must have been preinvestigate preinvestigating
they must have been preinvestigate preinvestigating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't preinvestigate preinvestigate
you mustn't preinvestigate preinvestigate
he mustn't preinvestigate preinvestigate
we mustn't preinvestigate preinvestigate
you mustn't preinvestigate preinvestigate
they mustn't preinvestigate preinvestigate 	I mustn't be preinvestigate preinvestigating
you mustn't be preinvestigate preinvestigating
he mustn't be preinvestigate preinvestigating
we mustn't be preinvestigate preinvestigating
you mustn't be preinvestigate preinvestigating
they mustn't be preinvestigate preinvestigating	I mustn't have preinvestigate preinvestigated
you mustn't have preinvestigate preinvestigated
he mustn't have preinvestigate preinvestigated
we mustn't have preinvestigate preinvestigated
you mustn't have preinvestigate preinvestigated
they mustn't have preinvestigate preinvestigated	I mustn't have been preinvestigate preinvestigating
you mustn't have been preinvestigate preinvestigating
he mustn't have been preinvestigate preinvestigating
we mustn't have been preinvestigate preinvestigating
you mustn't have been preinvestigate preinvestigating
they mustn't have been preinvestigate preinvestigating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I preinvestigate preinvestigate?
must you preinvestigate preinvestigate?
must he preinvestigate preinvestigate?
must we preinvestigate preinvestigate?
must you preinvestigate preinvestigate?
must they preinvestigate preinvestigate? 	must I be preinvestigate preinvestigating?
must you be preinvestigate preinvestigating?
must he be preinvestigate preinvestigating?
must we be preinvestigate preinvestigating?
must you be preinvestigate preinvestigating?
must they be preinvestigate preinvestigating? 	must I have preinvestigate preinvestigated?
must you have preinvestigate preinvestigated?
must he have preinvestigate preinvestigated?
must we have preinvestigate preinvestigated?
must you have preinvestigate preinvestigated?
must they have preinvestigate preinvestigated? 	must I have been preinvestigate preinvestigating?
must you have been preinvestigate preinvestigating?
must he have been preinvestigate preinvestigating?
must we have been preinvestigate preinvestigating?
must you have been preinvestigate preinvestigating?
must they have been preinvestigate preinvestigating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I preinvestigate preinvestigate?
mustn't you preinvestigate preinvestigate?
mustn't he preinvestigate preinvestigate?
mustn't we preinvestigate preinvestigate?
mustn't you preinvestigate preinvestigate?
mustn't they preinvestigate preinvestigate? 	mustn't I be preinvestigate preinvestigating?
mustn't you be preinvestigate preinvestigating?
mustn't he be preinvestigate preinvestigating?
mustn't we be preinvestigate preinvestigating?
mustn't you be preinvestigate preinvestigating?
mustn't they be preinvestigate preinvestigating? 	mustn't I have preinvestigate preinvestigated?
mustn't you have preinvestigate preinvestigated?
mustn't he have preinvestigate preinvestigated?
mustn't we have preinvestigate preinvestigated?
mustn't you have preinvestigate preinvestigated?
mustn't they have preinvestigate preinvestigated? 	mustn't I have been preinvestigate preinvestigating?
mustn't you have been preinvestigate preinvestigating?
mustn't he have been preinvestigate preinvestigating?
mustn't we have been preinvestigate preinvestigating?
mustn't you have been preinvestigate preinvestigating?
mustn't they have been preinvestigate preinvestigating?