must precompute
Verbo regular: precompute - precomputed- precomputed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must precompute
you must precompute
he must precompute
we must precompute
you must precompute
they must precompute 	I must be precomputing
you must be precomputing
he must be precomputing
we must be precomputing
you must be precomputing
they must be precomputing	I must have precomputed
you must have precomputed
he must have precomputed
we must have precomputed
you must have precomputed
they must have precomputed	I must have been precomputing
you must have been precomputing
he must have been precomputing
we must have been precomputing
you must have been precomputing
they must have been precomputing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not precompute
you must not precompute
he must not precompute
we must not precompute
you must not precompute
they must not precompute 	I must not be precomputing
you must not be precomputing
he must not be precomputing
we must not be precomputing
you must not be precomputing
they must not be precomputing	I must not have precomputed
you must not have precomputed
he must not have precomputed
we must not have precomputed
you must not have precomputed
they must not have precomputed	I must not have been precomputing
you must not have been precomputing
he must not have been precomputing
we must not have been precomputing
you must not have been precomputing
they must not have been precomputing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I precompute?
must you precompute?
must he precompute?
must we precompute?
must you precompute?
must they precompute? 	must I be precomputing?
must you be precomputing?
must he be precomputing?
must we be precomputing?
must you be precomputing?
must they be precomputing? 	must I have precomputed?
must you have precomputed?
must he have precomputed?
must we have precomputed?
must you have precomputed?
must they have precomputed? 	must I have been precomputing?
must you have been precomputing?
must he have been precomputing?
must we have been precomputing?
must you have been precomputing?
must they have been precomputing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not precompute?
must you not precompute?
must he not precompute?
must we not precompute?
must you not precompute?
must they not precompute? 	must I not be precomputing?
must you not be precomputing?
must he not be precomputing?
must we not be precomputing?
must you not be precomputing?
must they not be precomputing? 	must I not have precomputed?
must you not have precomputed?
must he not have precomputed?
must we not have precomputed?
must you not have precomputed?
must they not have precomputed? 	must I not have been precomputing?
must you not have been precomputing?
must he not have been precomputing?
must we not have been precomputing?
must you not have been precomputing?
must they not have been precomputing?