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 must not suntan
you must not suntan
he must not suntan
we must not suntan
you must not suntan
they must not suntan 	I must not be suntaning
you must not be suntaning
he must not be suntaning
we must not be suntaning
you must not be suntaning
they must not be suntaning	I must not have suntaned
you must not have suntaned
he must not have suntaned
we must not have suntaned
you must not have suntaned
they must not have suntaned	I must not have been suntaning
you must not have been suntaning
he must not have been suntaning
we must not have been suntaning
you must not have been suntaning
they must not 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 	
must I not suntan?
must you not suntan?
must he not suntan?
must we not suntan?
must you not suntan?
must they not suntan? 	must I not be suntaning?
must you not be suntaning?
must he not be suntaning?
must we not be suntaning?
must you not be suntaning?
must they not be suntaning? 	must I not have suntaned?
must you not have suntaned?
must he not have suntaned?
must we not have suntaned?
must you not have suntaned?
must they not have suntaned? 	must I not have been suntaning?
must you not have been suntaning?
must he not have been suntaning?
must we not have been suntaning?
must you not have been suntaning?
must they not have been suntaning?