must recalculate
Verbo regular: recalculate - recalculated- recalculated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must recalculate
you must recalculate
he must recalculate
we must recalculate
you must recalculate
they must recalculate 	I must be recalculating
you must be recalculating
he must be recalculating
we must be recalculating
you must be recalculating
they must be recalculating	I must have recalculated
you must have recalculated
he must have recalculated
we must have recalculated
you must have recalculated
they must have recalculated	I must have been recalculating
you must have been recalculating
he must have been recalculating
we must have been recalculating
you must have been recalculating
they must have been recalculating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not recalculate
you must not recalculate
he must not recalculate
we must not recalculate
you must not recalculate
they must not recalculate 	I must not be recalculating
you must not be recalculating
he must not be recalculating
we must not be recalculating
you must not be recalculating
they must not be recalculating	I must not have recalculated
you must not have recalculated
he must not have recalculated
we must not have recalculated
you must not have recalculated
they must not have recalculated	I must not have been recalculating
you must not have been recalculating
he must not have been recalculating
we must not have been recalculating
you must not have been recalculating
they must not have been recalculating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I recalculate?
must you recalculate?
must he recalculate?
must we recalculate?
must you recalculate?
must they recalculate? 	must I be recalculating?
must you be recalculating?
must he be recalculating?
must we be recalculating?
must you be recalculating?
must they be recalculating? 	must I have recalculated?
must you have recalculated?
must he have recalculated?
must we have recalculated?
must you have recalculated?
must they have recalculated? 	must I have been recalculating?
must you have been recalculating?
must he have been recalculating?
must we have been recalculating?
must you have been recalculating?
must they have been recalculating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not recalculate?
must you not recalculate?
must he not recalculate?
must we not recalculate?
must you not recalculate?
must they not recalculate? 	must I not be recalculating?
must you not be recalculating?
must he not be recalculating?
must we not be recalculating?
must you not be recalculating?
must they not be recalculating? 	must I not have recalculated?
must you not have recalculated?
must he not have recalculated?
must we not have recalculated?
must you not have recalculated?
must they not have recalculated? 	must I not have been recalculating?
must you not have been recalculating?
must he not have been recalculating?
must we not have been recalculating?
must you not have been recalculating?
must they not have been recalculating?