must infest
Verbe régulier : infest - infested- infested
Traduction française : infester 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must infest
you must infest
he must infest
we must infest
you must infest
they must infest 	I must be infesting
you must be infesting
he must be infesting
we must be infesting
you must be infesting
they must be infesting	I must have infested
you must have infested
he must have infested
we must have infested
you must have infested
they must have infested	I must have been infesting
you must have been infesting
he must have been infesting
we must have been infesting
you must have been infesting
they must have been infesting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not infest
you must not infest
he must not infest
we must not infest
you must not infest
they must not infest 	I must not be infesting
you must not be infesting
he must not be infesting
we must not be infesting
you must not be infesting
they must not be infesting	I must not have infested
you must not have infested
he must not have infested
we must not have infested
you must not have infested
they must not have infested	I must not have been infesting
you must not have been infesting
he must not have been infesting
we must not have been infesting
you must not have been infesting
they must not have been infesting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I infest?
must you infest?
must he infest?
must we infest?
must you infest?
must they infest? 	must I be infesting?
must you be infesting?
must he be infesting?
must we be infesting?
must you be infesting?
must they be infesting? 	must I have infested?
must you have infested?
must he have infested?
must we have infested?
must you have infested?
must they have infested? 	must I have been infesting?
must you have been infesting?
must he have been infesting?
must we have been infesting?
must you have been infesting?
must they have been infesting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not infest?
must you not infest?
must he not infest?
must we not infest?
must you not infest?
must they not infest? 	must I not be infesting?
must you not be infesting?
must he not be infesting?
must we not be infesting?
must you not be infesting?
must they not be infesting? 	must I not have infested?
must you not have infested?
must he not have infested?
must we not have infested?
must you not have infested?
must they not have infested? 	must I not have been infesting?
must you not have been infesting?
must he not have been infesting?
must we not have been infesting?
must you not have been infesting?
must they not have been infesting?