must reef
Verbe régulier : reef - reefed- reefed
Traduction française : rentrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must reef
you must reef
he must reef
we must reef
you must reef
they must reef 	I must be reefing
you must be reefing
he must be reefing
we must be reefing
you must be reefing
they must be reefing	I must have reefed
you must have reefed
he must have reefed
we must have reefed
you must have reefed
they must have reefed	I must have been reefing
you must have been reefing
he must have been reefing
we must have been reefing
you must have been reefing
they must have been reefing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't reef
you mustn't reef
he mustn't reef
we mustn't reef
you mustn't reef
they mustn't reef 	I mustn't be reefing
you mustn't be reefing
he mustn't be reefing
we mustn't be reefing
you mustn't be reefing
they mustn't be reefing	I mustn't have reefed
you mustn't have reefed
he mustn't have reefed
we mustn't have reefed
you mustn't have reefed
they mustn't have reefed	I mustn't have been reefing
you mustn't have been reefing
he mustn't have been reefing
we mustn't have been reefing
you mustn't have been reefing
they mustn't have been reefing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I reef?
must you reef?
must he reef?
must we reef?
must you reef?
must they reef? 	must I be reefing?
must you be reefing?
must he be reefing?
must we be reefing?
must you be reefing?
must they be reefing? 	must I have reefed?
must you have reefed?
must he have reefed?
must we have reefed?
must you have reefed?
must they have reefed? 	must I have been reefing?
must you have been reefing?
must he have been reefing?
must we have been reefing?
must you have been reefing?
must they have been reefing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I reef?
mustn't you reef?
mustn't he reef?
mustn't we reef?
mustn't you reef?
mustn't they reef? 	mustn't I be reefing?
mustn't you be reefing?
mustn't he be reefing?
mustn't we be reefing?
mustn't you be reefing?
mustn't they be reefing? 	mustn't I have reefed?
mustn't you have reefed?
mustn't he have reefed?
mustn't we have reefed?
mustn't you have reefed?
mustn't they have reefed? 	mustn't I have been reefing?
mustn't you have been reefing?
mustn't he have been reefing?
mustn't we have been reefing?
mustn't you have been reefing?
mustn't they have been reefing?