must suntan
Verbe régulier : suntan - suntaned- suntaned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must suntan
you must suntan
he must suntan
we must suntan
you must suntan
they must suntan 	I must be suntaning
you must be suntaning
he must be suntaning
we must be suntaning
you must be suntaning
they must be suntaning	I must have suntaned
you must have suntaned
he must have suntaned
we must have suntaned
you must have suntaned
they must have suntaned	I must have been suntaning
you must have been suntaning
he must have been suntaning
we must have been suntaning
you must have been suntaning
they must have been suntaning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't suntan
you mustn't suntan
he mustn't suntan
we mustn't suntan
you mustn't suntan
they mustn't suntan 	I mustn't be suntaning
you mustn't be suntaning
he mustn't be suntaning
we mustn't be suntaning
you mustn't be suntaning
they mustn't be suntaning	I mustn't have suntaned
you mustn't have suntaned
he mustn't have suntaned
we mustn't have suntaned
you mustn't have suntaned
they mustn't have suntaned	I mustn't have been suntaning
you mustn't have been suntaning
he mustn't have been suntaning
we mustn't have been suntaning
you mustn't have been suntaning
they mustn't have been suntaning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I suntan?
must you suntan?
must he suntan?
must we suntan?
must you suntan?
must they suntan? 	must I be suntaning?
must you be suntaning?
must he be suntaning?
must we be suntaning?
must you be suntaning?
must they be suntaning? 	must I have suntaned?
must you have suntaned?
must he have suntaned?
must we have suntaned?
must you have suntaned?
must they have suntaned? 	must I have been suntaning?
must you have been suntaning?
must he have been suntaning?
must we have been suntaning?
must you have been suntaning?
must they have been suntaning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I suntan?
mustn't you suntan?
mustn't he suntan?
mustn't we suntan?
mustn't you suntan?
mustn't they suntan? 	mustn't I be suntaning?
mustn't you be suntaning?
mustn't he be suntaning?
mustn't we be suntaning?
mustn't you be suntaning?
mustn't they be suntaning? 	mustn't I have suntaned?
mustn't you have suntaned?
mustn't he have suntaned?
mustn't we have suntaned?
mustn't you have suntaned?
mustn't they have suntaned? 	mustn't I have been suntaning?
mustn't you have been suntaning?
mustn't he have been suntaning?
mustn't we have been suntaning?
mustn't you have been suntaning?
mustn't they have been suntaning?