must gradate
Verbo regular: gradate - gradated- gradated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must gradate
you must gradate
he must gradate
we must gradate
you must gradate
they must gradate 	I must be gradating
you must be gradating
he must be gradating
we must be gradating
you must be gradating
they must be gradating	I must have gradated
you must have gradated
he must have gradated
we must have gradated
you must have gradated
they must have gradated	I must have been gradating
you must have been gradating
he must have been gradating
we must have been gradating
you must have been gradating
they must have been gradating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not gradate
you must not gradate
he must not gradate
we must not gradate
you must not gradate
they must not gradate 	I must not be gradating
you must not be gradating
he must not be gradating
we must not be gradating
you must not be gradating
they must not be gradating	I must not have gradated
you must not have gradated
he must not have gradated
we must not have gradated
you must not have gradated
they must not have gradated	I must not have been gradating
you must not have been gradating
he must not have been gradating
we must not have been gradating
you must not have been gradating
they must not have been gradating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I gradate?
must you gradate?
must he gradate?
must we gradate?
must you gradate?
must they gradate? 	must I be gradating?
must you be gradating?
must he be gradating?
must we be gradating?
must you be gradating?
must they be gradating? 	must I have gradated?
must you have gradated?
must he have gradated?
must we have gradated?
must you have gradated?
must they have gradated? 	must I have been gradating?
must you have been gradating?
must he have been gradating?
must we have been gradating?
must you have been gradating?
must they have been gradating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not gradate?
must you not gradate?
must he not gradate?
must we not gradate?
must you not gradate?
must they not gradate? 	must I not be gradating?
must you not be gradating?
must he not be gradating?
must we not be gradating?
must you not be gradating?
must they not be gradating? 	must I not have gradated?
must you not have gradated?
must he not have gradated?
must we not have gradated?
must you not have gradated?
must they not have gradated? 	must I not have been gradating?
must you not have been gradating?
must he not have been gradating?
must we not have been gradating?
must you not have been gradating?
must they not have been gradating?