must flutter
Verbe régulier : flutter - fluttered- fluttered
Traduction française : battre - agiter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must flutter
you must flutter
he must flutter
we must flutter
you must flutter
they must flutter 	I must be fluttering
you must be fluttering
he must be fluttering
we must be fluttering
you must be fluttering
they must be fluttering	I must have fluttered
you must have fluttered
he must have fluttered
we must have fluttered
you must have fluttered
they must have fluttered	I must have been fluttering
you must have been fluttering
he must have been fluttering
we must have been fluttering
you must have been fluttering
they must have been fluttering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not flutter
you must not flutter
he must not flutter
we must not flutter
you must not flutter
they must not flutter 	I must not be fluttering
you must not be fluttering
he must not be fluttering
we must not be fluttering
you must not be fluttering
they must not be fluttering	I must not have fluttered
you must not have fluttered
he must not have fluttered
we must not have fluttered
you must not have fluttered
they must not have fluttered	I must not have been fluttering
you must not have been fluttering
he must not have been fluttering
we must not have been fluttering
you must not have been fluttering
they must not have been fluttering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I flutter?
must you flutter?
must he flutter?
must we flutter?
must you flutter?
must they flutter? 	must I be fluttering?
must you be fluttering?
must he be fluttering?
must we be fluttering?
must you be fluttering?
must they be fluttering? 	must I have fluttered?
must you have fluttered?
must he have fluttered?
must we have fluttered?
must you have fluttered?
must they have fluttered? 	must I have been fluttering?
must you have been fluttering?
must he have been fluttering?
must we have been fluttering?
must you have been fluttering?
must they have been fluttering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not flutter?
must you not flutter?
must he not flutter?
must we not flutter?
must you not flutter?
must they not flutter? 	must I not be fluttering?
must you not be fluttering?
must he not be fluttering?
must we not be fluttering?
must you not be fluttering?
must they not be fluttering? 	must I not have fluttered?
must you not have fluttered?
must he not have fluttered?
must we not have fluttered?
must you not have fluttered?
must they not have fluttered? 	must I not have been fluttering?
must you not have been fluttering?
must he not have been fluttering?
must we not have been fluttering?
must you not have been fluttering?
must they not have been fluttering?