must refund
Verbe régulier : refund - refunded- refunded
Traduction française : rembourser - restituer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must refund
you must refund
she must refund
we must refund
you must refund
they must refund 	I must be refunding
you must be refunding
she must be refunding
we must be refunding
you must be refunding
they must be refunding	I must have refunded
you must have refunded
she must have refunded
we must have refunded
you must have refunded
they must have refunded	I must have been refunding
you must have been refunding
she must have been refunding
we must have been refunding
you must have been refunding
they must have been refunding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't refund
you mustn't refund
she mustn't refund
we mustn't refund
you mustn't refund
they mustn't refund 	I mustn't be refunding
you mustn't be refunding
she mustn't be refunding
we mustn't be refunding
you mustn't be refunding
they mustn't be refunding	I mustn't have refunded
you mustn't have refunded
she mustn't have refunded
we mustn't have refunded
you mustn't have refunded
they mustn't have refunded	I mustn't have been refunding
you mustn't have been refunding
she mustn't have been refunding
we mustn't have been refunding
you mustn't have been refunding
they mustn't have been refunding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I refund?
must you refund?
must she refund?
must we refund?
must you refund?
must they refund? 	must I be refunding?
must you be refunding?
must she be refunding?
must we be refunding?
must you be refunding?
must they be refunding? 	must I have refunded?
must you have refunded?
must she have refunded?
must we have refunded?
must you have refunded?
must they have refunded? 	must I have been refunding?
must you have been refunding?
must she have been refunding?
must we have been refunding?
must you have been refunding?
must they have been refunding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I refund?
mustn't you refund?
mustn't she refund?
mustn't we refund?
mustn't you refund?
mustn't they refund? 	mustn't I be refunding?
mustn't you be refunding?
mustn't she be refunding?
mustn't we be refunding?
mustn't you be refunding?
mustn't they be refunding? 	mustn't I have refunded?
mustn't you have refunded?
mustn't she have refunded?
mustn't we have refunded?
mustn't you have refunded?
mustn't they have refunded? 	mustn't I have been refunding?
mustn't you have been refunding?
mustn't she have been refunding?
mustn't we have been refunding?
mustn't you have been refunding?
mustn't they have been refunding?