must tutor
Verbo regular: tutor - tutored- tutored

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must tutor
you must tutor
he must tutor
we must tutor
you must tutor
they must tutor 	I must be tutoring
you must be tutoring
he must be tutoring
we must be tutoring
you must be tutoring
they must be tutoring	I must have tutored
you must have tutored
he must have tutored
we must have tutored
you must have tutored
they must have tutored	I must have been tutoring
you must have been tutoring
he must have been tutoring
we must have been tutoring
you must have been tutoring
they must have been tutoring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not tutor
you must not tutor
he must not tutor
we must not tutor
you must not tutor
they must not tutor 	I must not be tutoring
you must not be tutoring
he must not be tutoring
we must not be tutoring
you must not be tutoring
they must not be tutoring	I must not have tutored
you must not have tutored
he must not have tutored
we must not have tutored
you must not have tutored
they must not have tutored	I must not have been tutoring
you must not have been tutoring
he must not have been tutoring
we must not have been tutoring
you must not have been tutoring
they must not have been tutoring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I tutor?
must you tutor?
must he tutor?
must we tutor?
must you tutor?
must they tutor? 	must I be tutoring?
must you be tutoring?
must he be tutoring?
must we be tutoring?
must you be tutoring?
must they be tutoring? 	must I have tutored?
must you have tutored?
must he have tutored?
must we have tutored?
must you have tutored?
must they have tutored? 	must I have been tutoring?
must you have been tutoring?
must he have been tutoring?
must we have been tutoring?
must you have been tutoring?
must they have been tutoring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not tutor?
must you not tutor?
must he not tutor?
must we not tutor?
must you not tutor?
must they not tutor? 	must I not be tutoring?
must you not be tutoring?
must he not be tutoring?
must we not be tutoring?
must you not be tutoring?
must they not be tutoring? 	must I not have tutored?
must you not have tutored?
must he not have tutored?
must we not have tutored?
must you not have tutored?
must they not have tutored? 	must I not have been tutoring?
must you not have been tutoring?
must he not have been tutoring?
must we not have been tutoring?
must you not have been tutoring?
must they not have been tutoring?