must tenon
Verbo regular: tenon - tenoned- tenoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must tenon
you must tenon
he must tenon
we must tenon
you must tenon
they must tenon 	I must be tenoning
you must be tenoning
he must be tenoning
we must be tenoning
you must be tenoning
they must be tenoning	I must have tenoned
you must have tenoned
he must have tenoned
we must have tenoned
you must have tenoned
they must have tenoned	I must have been tenoning
you must have been tenoning
he must have been tenoning
we must have been tenoning
you must have been tenoning
they must have been tenoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not tenon
you must not tenon
he must not tenon
we must not tenon
you must not tenon
they must not tenon 	I must not be tenoning
you must not be tenoning
he must not be tenoning
we must not be tenoning
you must not be tenoning
they must not be tenoning	I must not have tenoned
you must not have tenoned
he must not have tenoned
we must not have tenoned
you must not have tenoned
they must not have tenoned	I must not have been tenoning
you must not have been tenoning
he must not have been tenoning
we must not have been tenoning
you must not have been tenoning
they must not have been tenoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I tenon?
must you tenon?
must he tenon?
must we tenon?
must you tenon?
must they tenon? 	must I be tenoning?
must you be tenoning?
must he be tenoning?
must we be tenoning?
must you be tenoning?
must they be tenoning? 	must I have tenoned?
must you have tenoned?
must he have tenoned?
must we have tenoned?
must you have tenoned?
must they have tenoned? 	must I have been tenoning?
must you have been tenoning?
must he have been tenoning?
must we have been tenoning?
must you have been tenoning?
must they have been tenoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not tenon?
must you not tenon?
must he not tenon?
must we not tenon?
must you not tenon?
must they not tenon? 	must I not be tenoning?
must you not be tenoning?
must he not be tenoning?
must we not be tenoning?
must you not be tenoning?
must they not be tenoning? 	must I not have tenoned?
must you not have tenoned?
must he not have tenoned?
must we not have tenoned?
must you not have tenoned?
must they not have tenoned? 	must I not have been tenoning?
must you not have been tenoning?
must he not have been tenoning?
must we not have been tenoning?
must you not have been tenoning?
must they not have been tenoning?