must ump
Verbo regular: ump - umped- umped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must ump
you must ump
she must ump
we must ump
you must ump
they must ump 	I must be umping
you must be umping
she must be umping
we must be umping
you must be umping
they must be umping	I must have umped
you must have umped
she must have umped
we must have umped
you must have umped
they must have umped	I must have been umping
you must have been umping
she must have been umping
we must have been umping
you must have been umping
they must have been umping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not ump
you must not ump
she must not ump
we must not ump
you must not ump
they must not ump 	I must not be umping
you must not be umping
she must not be umping
we must not be umping
you must not be umping
they must not be umping	I must not have umped
you must not have umped
she must not have umped
we must not have umped
you must not have umped
they must not have umped	I must not have been umping
you must not have been umping
she must not have been umping
we must not have been umping
you must not have been umping
they must not have been umping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I ump?
must you ump?
must she ump?
must we ump?
must you ump?
must they ump? 	must I be umping?
must you be umping?
must she be umping?
must we be umping?
must you be umping?
must they be umping? 	must I have umped?
must you have umped?
must she have umped?
must we have umped?
must you have umped?
must they have umped? 	must I have been umping?
must you have been umping?
must she have been umping?
must we have been umping?
must you have been umping?
must they have been umping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not ump?
must you not ump?
must she not ump?
must we not ump?
must you not ump?
must they not ump? 	must I not be umping?
must you not be umping?
must she not be umping?
must we not be umping?
must you not be umping?
must they not be umping? 	must I not have umped?
must you not have umped?
must she not have umped?
must we not have umped?
must you not have umped?
must they not have umped? 	must I not have been umping?
must you not have been umping?
must she not have been umping?
must we not have been umping?
must you not have been umping?
must they not have been umping?