must flat
Verbe régulier : flat - flated- flated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must flat
you must flat
he must flat
we must flat
you must flat
they must flat 	I must be flating
you must be flating
he must be flating
we must be flating
you must be flating
they must be flating	I must have flated
you must have flated
he must have flated
we must have flated
you must have flated
they must have flated	I must have been flating
you must have been flating
he must have been flating
we must have been flating
you must have been flating
they must have been flating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't flat
you mustn't flat
he mustn't flat
we mustn't flat
you mustn't flat
they mustn't flat 	I mustn't be flating
you mustn't be flating
he mustn't be flating
we mustn't be flating
you mustn't be flating
they mustn't be flating	I mustn't have flated
you mustn't have flated
he mustn't have flated
we mustn't have flated
you mustn't have flated
they mustn't have flated	I mustn't have been flating
you mustn't have been flating
he mustn't have been flating
we mustn't have been flating
you mustn't have been flating
they mustn't have been flating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I flat?
must you flat?
must he flat?
must we flat?
must you flat?
must they flat? 	must I be flating?
must you be flating?
must he be flating?
must we be flating?
must you be flating?
must they be flating? 	must I have flated?
must you have flated?
must he have flated?
must we have flated?
must you have flated?
must they have flated? 	must I have been flating?
must you have been flating?
must he have been flating?
must we have been flating?
must you have been flating?
must they have been flating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I flat?
mustn't you flat?
mustn't he flat?
mustn't we flat?
mustn't you flat?
mustn't they flat? 	mustn't I be flating?
mustn't you be flating?
mustn't he be flating?
mustn't we be flating?
mustn't you be flating?
mustn't they be flating? 	mustn't I have flated?
mustn't you have flated?
mustn't he have flated?
mustn't we have flated?
mustn't you have flated?
mustn't they have flated? 	mustn't I have been flating?
mustn't you have been flating?
mustn't he have been flating?
mustn't we have been flating?
mustn't you have been flating?
mustn't they have been flating?