must berth
Verbe régulier : berth - berthed- berthed
Traduction française : venir à quai - amarrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must berth
you must berth
she must berth
we must berth
you must berth
they must berth 	I must be berthing
you must be berthing
she must be berthing
we must be berthing
you must be berthing
they must be berthing	I must have berthed
you must have berthed
she must have berthed
we must have berthed
you must have berthed
they must have berthed	I must have been berthing
you must have been berthing
she must have been berthing
we must have been berthing
you must have been berthing
they must have been berthing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't berth
you mustn't berth
she mustn't berth
we mustn't berth
you mustn't berth
they mustn't berth 	I mustn't be berthing
you mustn't be berthing
she mustn't be berthing
we mustn't be berthing
you mustn't be berthing
they mustn't be berthing	I mustn't have berthed
you mustn't have berthed
she mustn't have berthed
we mustn't have berthed
you mustn't have berthed
they mustn't have berthed	I mustn't have been berthing
you mustn't have been berthing
she mustn't have been berthing
we mustn't have been berthing
you mustn't have been berthing
they mustn't have been berthing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I berth?
must you berth?
must she berth?
must we berth?
must you berth?
must they berth? 	must I be berthing?
must you be berthing?
must she be berthing?
must we be berthing?
must you be berthing?
must they be berthing? 	must I have berthed?
must you have berthed?
must she have berthed?
must we have berthed?
must you have berthed?
must they have berthed? 	must I have been berthing?
must you have been berthing?
must she have been berthing?
must we have been berthing?
must you have been berthing?
must they have been berthing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I berth?
mustn't you berth?
mustn't she berth?
mustn't we berth?
mustn't you berth?
mustn't they berth? 	mustn't I be berthing?
mustn't you be berthing?
mustn't she be berthing?
mustn't we be berthing?
mustn't you be berthing?
mustn't they be berthing? 	mustn't I have berthed?
mustn't you have berthed?
mustn't she have berthed?
mustn't we have berthed?
mustn't you have berthed?
mustn't they have berthed? 	mustn't I have been berthing?
mustn't you have been berthing?
mustn't she have been berthing?
mustn't we have been berthing?
mustn't you have been berthing?
mustn't they have been berthing?