must shark
Verbe régulier : shark - sharked- sharked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must shark
you must shark
he must shark
we must shark
you must shark
they must shark 	I must be sharking
you must be sharking
he must be sharking
we must be sharking
you must be sharking
they must be sharking	I must have sharked
you must have sharked
he must have sharked
we must have sharked
you must have sharked
they must have sharked	I must have been sharking
you must have been sharking
he must have been sharking
we must have been sharking
you must have been sharking
they must have been sharking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not shark
you must not shark
he must not shark
we must not shark
you must not shark
they must not shark 	I must not be sharking
you must not be sharking
he must not be sharking
we must not be sharking
you must not be sharking
they must not be sharking	I must not have sharked
you must not have sharked
he must not have sharked
we must not have sharked
you must not have sharked
they must not have sharked	I must not have been sharking
you must not have been sharking
he must not have been sharking
we must not have been sharking
you must not have been sharking
they must not have been sharking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I shark?
must you shark?
must he shark?
must we shark?
must you shark?
must they shark? 	must I be sharking?
must you be sharking?
must he be sharking?
must we be sharking?
must you be sharking?
must they be sharking? 	must I have sharked?
must you have sharked?
must he have sharked?
must we have sharked?
must you have sharked?
must they have sharked? 	must I have been sharking?
must you have been sharking?
must he have been sharking?
must we have been sharking?
must you have been sharking?
must they have been sharking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not shark?
must you not shark?
must he not shark?
must we not shark?
must you not shark?
must they not shark? 	must I not be sharking?
must you not be sharking?
must he not be sharking?
must we not be sharking?
must you not be sharking?
must they not be sharking? 	must I not have sharked?
must you not have sharked?
must he not have sharked?
must we not have sharked?
must you not have sharked?
must they not have sharked? 	must I not have been sharking?
must you not have been sharking?
must he not have been sharking?
must we not have been sharking?
must you not have been sharking?
must they not have been sharking?