must gloss
Verbo regular: gloss - glossed- glossed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must gloss
you must gloss
he must gloss
we must gloss
you must gloss
they must gloss 	I must be glossing
you must be glossing
he must be glossing
we must be glossing
you must be glossing
they must be glossing	I must have glossed
you must have glossed
he must have glossed
we must have glossed
you must have glossed
they must have glossed	I must have been glossing
you must have been glossing
he must have been glossing
we must have been glossing
you must have been glossing
they must have been glossing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not gloss
you must not gloss
he must not gloss
we must not gloss
you must not gloss
they must not gloss 	I must not be glossing
you must not be glossing
he must not be glossing
we must not be glossing
you must not be glossing
they must not be glossing	I must not have glossed
you must not have glossed
he must not have glossed
we must not have glossed
you must not have glossed
they must not have glossed	I must not have been glossing
you must not have been glossing
he must not have been glossing
we must not have been glossing
you must not have been glossing
they must not have been glossing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I gloss?
must you gloss?
must he gloss?
must we gloss?
must you gloss?
must they gloss? 	must I be glossing?
must you be glossing?
must he be glossing?
must we be glossing?
must you be glossing?
must they be glossing? 	must I have glossed?
must you have glossed?
must he have glossed?
must we have glossed?
must you have glossed?
must they have glossed? 	must I have been glossing?
must you have been glossing?
must he have been glossing?
must we have been glossing?
must you have been glossing?
must they have been glossing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not gloss?
must you not gloss?
must he not gloss?
must we not gloss?
must you not gloss?
must they not gloss? 	must I not be glossing?
must you not be glossing?
must he not be glossing?
must we not be glossing?
must you not be glossing?
must they not be glossing? 	must I not have glossed?
must you not have glossed?
must he not have glossed?
must we not have glossed?
must you not have glossed?
must they not have glossed? 	must I not have been glossing?
must you not have been glossing?
must he not have been glossing?
must we not have been glossing?
must you not have been glossing?
must they not have been glossing?