must smell
Verbo irregular: smell - smelled, smelt- smelled, smelt

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must smell
you must smell
she must smell
we must smell
you must smell
they must smell 	I must be smelling
you must be smelling
she must be smelling
we must be smelling
you must be smelling
they must be smelling	I must have smelled, smelt
you must have smelled, smelt
she must have smelled, smelt
we must have smelled, smelt
you must have smelled, smelt
they must have smelled, smelt	I must have been smelling
you must have been smelling
she must have been smelling
we must have been smelling
you must have been smelling
they must have been smelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not smell
you must not smell
she must not smell
we must not smell
you must not smell
they must not smell 	I must not be smelling
you must not be smelling
she must not be smelling
we must not be smelling
you must not be smelling
they must not be smelling	I must not have smelled, smelt
you must not have smelled, smelt
she must not have smelled, smelt
we must not have smelled, smelt
you must not have smelled, smelt
they must not have smelled, smelt	I must not have been smelling
you must not have been smelling
she must not have been smelling
we must not have been smelling
you must not have been smelling
they must not have been smelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I smell?
must you smell?
must she smell?
must we smell?
must you smell?
must they smell? 	must I be smelling?
must you be smelling?
must she be smelling?
must we be smelling?
must you be smelling?
must they be smelling? 	must I have smelled, smelt?
must you have smelled, smelt?
must she have smelled, smelt?
must we have smelled, smelt?
must you have smelled, smelt?
must they have smelled, smelt? 	must I have been smelling?
must you have been smelling?
must she have been smelling?
must we have been smelling?
must you have been smelling?
must they have been smelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not smell?
must you not smell?
must she not smell?
must we not smell?
must you not smell?
must they not smell? 	must I not be smelling?
must you not be smelling?
must she not be smelling?
must we not be smelling?
must you not be smelling?
must they not be smelling? 	must I not have smelled, smelt?
must you not have smelled, smelt?
must she not have smelled, smelt?
must we not have smelled, smelt?
must you not have smelled, smelt?
must they not have smelled, smelt? 	must I not have been smelling?
must you not have been smelling?
must she not have been smelling?
must we not have been smelling?
must you not have been smelling?
must they not have been smelling?