must overfertilize
Verbe régulier : overfertilize - overfertilized- overfertilized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must overfertilize
you must overfertilize
he must overfertilize
we must overfertilize
you must overfertilize
they must overfertilize 	I must be overfertilizing
you must be overfertilizing
he must be overfertilizing
we must be overfertilizing
you must be overfertilizing
they must be overfertilizing	I must have overfertilized
you must have overfertilized
he must have overfertilized
we must have overfertilized
you must have overfertilized
they must have overfertilized	I must have been overfertilizing
you must have been overfertilizing
he must have been overfertilizing
we must have been overfertilizing
you must have been overfertilizing
they must have been overfertilizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't overfertilize
you mustn't overfertilize
he mustn't overfertilize
we mustn't overfertilize
you mustn't overfertilize
they mustn't overfertilize 	I mustn't be overfertilizing
you mustn't be overfertilizing
he mustn't be overfertilizing
we mustn't be overfertilizing
you mustn't be overfertilizing
they mustn't be overfertilizing	I mustn't have overfertilized
you mustn't have overfertilized
he mustn't have overfertilized
we mustn't have overfertilized
you mustn't have overfertilized
they mustn't have overfertilized	I mustn't have been overfertilizing
you mustn't have been overfertilizing
he mustn't have been overfertilizing
we mustn't have been overfertilizing
you mustn't have been overfertilizing
they mustn't have been overfertilizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I overfertilize?
must you overfertilize?
must he overfertilize?
must we overfertilize?
must you overfertilize?
must they overfertilize? 	must I be overfertilizing?
must you be overfertilizing?
must he be overfertilizing?
must we be overfertilizing?
must you be overfertilizing?
must they be overfertilizing? 	must I have overfertilized?
must you have overfertilized?
must he have overfertilized?
must we have overfertilized?
must you have overfertilized?
must they have overfertilized? 	must I have been overfertilizing?
must you have been overfertilizing?
must he have been overfertilizing?
must we have been overfertilizing?
must you have been overfertilizing?
must they have been overfertilizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I overfertilize?
mustn't you overfertilize?
mustn't he overfertilize?
mustn't we overfertilize?
mustn't you overfertilize?
mustn't they overfertilize? 	mustn't I be overfertilizing?
mustn't you be overfertilizing?
mustn't he be overfertilizing?
mustn't we be overfertilizing?
mustn't you be overfertilizing?
mustn't they be overfertilizing? 	mustn't I have overfertilized?
mustn't you have overfertilized?
mustn't he have overfertilized?
mustn't we have overfertilized?
mustn't you have overfertilized?
mustn't they have overfertilized? 	mustn't I have been overfertilizing?
mustn't you have been overfertilizing?
mustn't he have been overfertilizing?
mustn't we have been overfertilizing?
mustn't you have been overfertilizing?
mustn't they have been overfertilizing?