must prerequire
Verbo regular: prerequire - prerequired- prerequired

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prerequire
you must prerequire
she must prerequire
we must prerequire
you must prerequire
they must prerequire 	I must be prerequiring
you must be prerequiring
she must be prerequiring
we must be prerequiring
you must be prerequiring
they must be prerequiring	I must have prerequired
you must have prerequired
she must have prerequired
we must have prerequired
you must have prerequired
they must have prerequired	I must have been prerequiring
you must have been prerequiring
she must have been prerequiring
we must have been prerequiring
you must have been prerequiring
they must have been prerequiring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not prerequire
you must not prerequire
she must not prerequire
we must not prerequire
you must not prerequire
they must not prerequire 	I must not be prerequiring
you must not be prerequiring
she must not be prerequiring
we must not be prerequiring
you must not be prerequiring
they must not be prerequiring	I must not have prerequired
you must not have prerequired
she must not have prerequired
we must not have prerequired
you must not have prerequired
they must not have prerequired	I must not have been prerequiring
you must not have been prerequiring
she must not have been prerequiring
we must not have been prerequiring
you must not have been prerequiring
they must not have been prerequiring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prerequire?
must you prerequire?
must she prerequire?
must we prerequire?
must you prerequire?
must they prerequire? 	must I be prerequiring?
must you be prerequiring?
must she be prerequiring?
must we be prerequiring?
must you be prerequiring?
must they be prerequiring? 	must I have prerequired?
must you have prerequired?
must she have prerequired?
must we have prerequired?
must you have prerequired?
must they have prerequired? 	must I have been prerequiring?
must you have been prerequiring?
must she have been prerequiring?
must we have been prerequiring?
must you have been prerequiring?
must they have been prerequiring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not prerequire?
must you not prerequire?
must she not prerequire?
must we not prerequire?
must you not prerequire?
must they not prerequire? 	must I not be prerequiring?
must you not be prerequiring?
must she not be prerequiring?
must we not be prerequiring?
must you not be prerequiring?
must they not be prerequiring? 	must I not have prerequired?
must you not have prerequired?
must she not have prerequired?
must we not have prerequired?
must you not have prerequired?
must they not have prerequired? 	must I not have been prerequiring?
must you not have been prerequiring?
must she not have been prerequiring?
must we not have been prerequiring?
must you not have been prerequiring?
must they not have been prerequiring?