can compute
Verbo regular: compute - computed- computed

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

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

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

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