must hydrate
Verbo regular: hydrate - hydrated- hydrated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must hydrate
you must hydrate
he must hydrate
we must hydrate
you must hydrate
they must hydrate 	I must be hydrating
you must be hydrating
he must be hydrating
we must be hydrating
you must be hydrating
they must be hydrating	I must have hydrated
you must have hydrated
he must have hydrated
we must have hydrated
you must have hydrated
they must have hydrated	I must have been hydrating
you must have been hydrating
he must have been hydrating
we must have been hydrating
you must have been hydrating
they must have been hydrating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not hydrate
you must not hydrate
he must not hydrate
we must not hydrate
you must not hydrate
they must not hydrate 	I must not be hydrating
you must not be hydrating
he must not be hydrating
we must not be hydrating
you must not be hydrating
they must not be hydrating	I must not have hydrated
you must not have hydrated
he must not have hydrated
we must not have hydrated
you must not have hydrated
they must not have hydrated	I must not have been hydrating
you must not have been hydrating
he must not have been hydrating
we must not have been hydrating
you must not have been hydrating
they must not have been hydrating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I hydrate?
must you hydrate?
must he hydrate?
must we hydrate?
must you hydrate?
must they hydrate? 	must I be hydrating?
must you be hydrating?
must he be hydrating?
must we be hydrating?
must you be hydrating?
must they be hydrating? 	must I have hydrated?
must you have hydrated?
must he have hydrated?
must we have hydrated?
must you have hydrated?
must they have hydrated? 	must I have been hydrating?
must you have been hydrating?
must he have been hydrating?
must we have been hydrating?
must you have been hydrating?
must they have been hydrating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not hydrate?
must you not hydrate?
must he not hydrate?
must we not hydrate?
must you not hydrate?
must they not hydrate? 	must I not be hydrating?
must you not be hydrating?
must he not be hydrating?
must we not be hydrating?
must you not be hydrating?
must they not be hydrating? 	must I not have hydrated?
must you not have hydrated?
must he not have hydrated?
must we not have hydrated?
must you not have hydrated?
must they not have hydrated? 	must I not have been hydrating?
must you not have been hydrating?
must he not have been hydrating?
must we not have been hydrating?
must you not have been hydrating?
must they not have been hydrating?