must compute
Verbo regular: compute - computed- computed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must compute
you must compute
she must compute
we must compute
you must compute
they must compute 	I must be computing
you must be computing
she must be computing
we must be computing
you must be computing
they must be computing	I must have computed
you must have computed
she must have computed
we must have computed
you must have computed
they must have computed	I must have been computing
you must have been computing
she must have been computing
we must have been computing
you must have been computing
they must have been computing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't compute
you mustn't compute
she mustn't compute
we mustn't compute
you mustn't compute
they mustn't compute 	I mustn't be computing
you mustn't be computing
she mustn't be computing
we mustn't be computing
you mustn't be computing
they mustn't be computing	I mustn't have computed
you mustn't have computed
she mustn't have computed
we mustn't have computed
you mustn't have computed
they mustn't have computed	I mustn't have been computing
you mustn't have been computing
she mustn't have been computing
we mustn't have been computing
you mustn't have been computing
they mustn't have been computing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I compute?
must you compute?
must she compute?
must we compute?
must you compute?
must they compute? 	must I be computing?
must you be computing?
must she be computing?
must we be computing?
must you be computing?
must they be computing? 	must I have computed?
must you have computed?
must she have computed?
must we have computed?
must you have computed?
must they have computed? 	must I have been computing?
must you have been computing?
must she have been computing?
must we have been computing?
must you have been computing?
must they have been computing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I compute?
mustn't you compute?
mustn't she compute?
mustn't we compute?
mustn't you compute?
mustn't they compute? 	mustn't I be computing?
mustn't you be computing?
mustn't she be computing?
mustn't we be computing?
mustn't you be computing?
mustn't they be computing? 	mustn't I have computed?
mustn't you have computed?
mustn't she have computed?
mustn't we have computed?
mustn't you have computed?
mustn't they have computed? 	mustn't I have been computing?
mustn't you have been computing?
mustn't she have been computing?
mustn't we have been computing?
mustn't you have been computing?
mustn't they have been computing?