must lesion
Verbo regular: lesion - lesioned- lesioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must lesion
you must lesion
he must lesion
we must lesion
you must lesion
they must lesion 	I must be lesioning
you must be lesioning
he must be lesioning
we must be lesioning
you must be lesioning
they must be lesioning	I must have lesioned
you must have lesioned
he must have lesioned
we must have lesioned
you must have lesioned
they must have lesioned	I must have been lesioning
you must have been lesioning
he must have been lesioning
we must have been lesioning
you must have been lesioning
they must have been lesioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not lesion
you must not lesion
he must not lesion
we must not lesion
you must not lesion
they must not lesion 	I must not be lesioning
you must not be lesioning
he must not be lesioning
we must not be lesioning
you must not be lesioning
they must not be lesioning	I must not have lesioned
you must not have lesioned
he must not have lesioned
we must not have lesioned
you must not have lesioned
they must not have lesioned	I must not have been lesioning
you must not have been lesioning
he must not have been lesioning
we must not have been lesioning
you must not have been lesioning
they must not have been lesioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I lesion?
must you lesion?
must he lesion?
must we lesion?
must you lesion?
must they lesion? 	must I be lesioning?
must you be lesioning?
must he be lesioning?
must we be lesioning?
must you be lesioning?
must they be lesioning? 	must I have lesioned?
must you have lesioned?
must he have lesioned?
must we have lesioned?
must you have lesioned?
must they have lesioned? 	must I have been lesioning?
must you have been lesioning?
must he have been lesioning?
must we have been lesioning?
must you have been lesioning?
must they have been lesioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not lesion?
must you not lesion?
must he not lesion?
must we not lesion?
must you not lesion?
must they not lesion? 	must I not be lesioning?
must you not be lesioning?
must he not be lesioning?
must we not be lesioning?
must you not be lesioning?
must they not be lesioning? 	must I not have lesioned?
must you not have lesioned?
must he not have lesioned?
must we not have lesioned?
must you not have lesioned?
must they not have lesioned? 	must I not have been lesioning?
must you not have been lesioning?
must he not have been lesioning?
must we not have been lesioning?
must you not have been lesioning?
must they not have been lesioning?