must experiment
Verbe régulier : experiment - experimented- experimented
Traduction française : faire une expérience ou des expériences 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must experiment
you must experiment
he must experiment
we must experiment
you must experiment
they must experiment 	I must be experimenting
you must be experimenting
he must be experimenting
we must be experimenting
you must be experimenting
they must be experimenting	I must have experimented
you must have experimented
he must have experimented
we must have experimented
you must have experimented
they must have experimented	I must have been experimenting
you must have been experimenting
he must have been experimenting
we must have been experimenting
you must have been experimenting
they must have been experimenting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't experiment
you mustn't experiment
he mustn't experiment
we mustn't experiment
you mustn't experiment
they mustn't experiment 	I mustn't be experimenting
you mustn't be experimenting
he mustn't be experimenting
we mustn't be experimenting
you mustn't be experimenting
they mustn't be experimenting	I mustn't have experimented
you mustn't have experimented
he mustn't have experimented
we mustn't have experimented
you mustn't have experimented
they mustn't have experimented	I mustn't have been experimenting
you mustn't have been experimenting
he mustn't have been experimenting
we mustn't have been experimenting
you mustn't have been experimenting
they mustn't have been experimenting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I experiment?
must you experiment?
must he experiment?
must we experiment?
must you experiment?
must they experiment? 	must I be experimenting?
must you be experimenting?
must he be experimenting?
must we be experimenting?
must you be experimenting?
must they be experimenting? 	must I have experimented?
must you have experimented?
must he have experimented?
must we have experimented?
must you have experimented?
must they have experimented? 	must I have been experimenting?
must you have been experimenting?
must he have been experimenting?
must we have been experimenting?
must you have been experimenting?
must they have been experimenting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I experiment?
mustn't you experiment?
mustn't he experiment?
mustn't we experiment?
mustn't you experiment?
mustn't they experiment? 	mustn't I be experimenting?
mustn't you be experimenting?
mustn't he be experimenting?
mustn't we be experimenting?
mustn't you be experimenting?
mustn't they be experimenting? 	mustn't I have experimented?
mustn't you have experimented?
mustn't he have experimented?
mustn't we have experimented?
mustn't you have experimented?
mustn't they have experimented? 	mustn't I have been experimenting?
mustn't you have been experimenting?
mustn't he have been experimenting?
mustn't we have been experimenting?
mustn't you have been experimenting?
mustn't they have been experimenting?