could subduct
Verbo regular: subduct - subducted- subducted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could subduct
you could subduct
he could subduct
we could subduct
you could subduct
they could subduct 	I could be subducting
you could be subducting
he could be subducting
we could be subducting
you could be subducting
they could be subducting	I could have subducted
you could have subducted
he could have subducted
we could have subducted
you could have subducted
they could have subducted	I could have been subducting
you could have been subducting
he could have been subducting
we could have been subducting
you could have been subducting
they could have been subducting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not subduct
you could not subduct
he could not subduct
we could not subduct
you could not subduct
they could not subduct 	I could not be subducting
you could not be subducting
he could not be subducting
we could not be subducting
you could not be subducting
they could not be subducting	I could not have subducted
you could not have subducted
he could not have subducted
we could not have subducted
you could not have subducted
they could not have subducted	I could not have been subducting
you could not have been subducting
he could not have been subducting
we could not have been subducting
you could not have been subducting
they could not have been subducting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I subduct?
could you subduct?
could he subduct?
could we subduct?
could you subduct?
could they subduct? 	could I be subducting?
could you be subducting?
could he be subducting?
could we be subducting?
could you be subducting?
could they be subducting? 	could I have subducted?
could you have subducted?
could he have subducted?
could we have subducted?
could you have subducted?
could they have subducted? 	could I have been subducting?
could you have been subducting?
could he have been subducting?
could we have been subducting?
could you have been subducting?
could they have been subducting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not subduct?
could you not subduct?
could he not subduct?
could we not subduct?
could you not subduct?
could they not subduct? 	could I not be subducting?
could you not be subducting?
could he not be subducting?
could we not be subducting?
could you not be subducting?
could they not be subducting? 	could I not have subducted?
could you not have subducted?
could he not have subducted?
could we not have subducted?
could you not have subducted?
could they not have subducted? 	could I not have been subducting?
could you not have been subducting?
could he not have been subducting?
could we not have been subducting?
could you not have been subducting?
could they not have been subducting?