must harrumph
Verbo regular: harrumph - harrumphed- harrumphed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must harrumph
you must harrumph
he must harrumph
we must harrumph
you must harrumph
they must harrumph 	I must be harrumphing
you must be harrumphing
he must be harrumphing
we must be harrumphing
you must be harrumphing
they must be harrumphing	I must have harrumphed
you must have harrumphed
he must have harrumphed
we must have harrumphed
you must have harrumphed
they must have harrumphed	I must have been harrumphing
you must have been harrumphing
he must have been harrumphing
we must have been harrumphing
you must have been harrumphing
they must have been harrumphing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not harrumph
you must not harrumph
he must not harrumph
we must not harrumph
you must not harrumph
they must not harrumph 	I must not be harrumphing
you must not be harrumphing
he must not be harrumphing
we must not be harrumphing
you must not be harrumphing
they must not be harrumphing	I must not have harrumphed
you must not have harrumphed
he must not have harrumphed
we must not have harrumphed
you must not have harrumphed
they must not have harrumphed	I must not have been harrumphing
you must not have been harrumphing
he must not have been harrumphing
we must not have been harrumphing
you must not have been harrumphing
they must not have been harrumphing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I harrumph?
must you harrumph?
must he harrumph?
must we harrumph?
must you harrumph?
must they harrumph? 	must I be harrumphing?
must you be harrumphing?
must he be harrumphing?
must we be harrumphing?
must you be harrumphing?
must they be harrumphing? 	must I have harrumphed?
must you have harrumphed?
must he have harrumphed?
must we have harrumphed?
must you have harrumphed?
must they have harrumphed? 	must I have been harrumphing?
must you have been harrumphing?
must he have been harrumphing?
must we have been harrumphing?
must you have been harrumphing?
must they have been harrumphing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not harrumph?
must you not harrumph?
must he not harrumph?
must we not harrumph?
must you not harrumph?
must they not harrumph? 	must I not be harrumphing?
must you not be harrumphing?
must he not be harrumphing?
must we not be harrumphing?
must you not be harrumphing?
must they not be harrumphing? 	must I not have harrumphed?
must you not have harrumphed?
must he not have harrumphed?
must we not have harrumphed?
must you not have harrumphed?
must they not have harrumphed? 	must I not have been harrumphing?
must you not have been harrumphing?
must he not have been harrumphing?
must we not have been harrumphing?
must you not have been harrumphing?
must they not have been harrumphing?