could symmetrise
Verbo regular: symmetrise - symmetrised- symmetrised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could symmetrise
you could symmetrise
he could symmetrise
we could symmetrise
you could symmetrise
they could symmetrise 	I could be symmetrising
you could be symmetrising
he could be symmetrising
we could be symmetrising
you could be symmetrising
they could be symmetrising	I could have symmetrised
you could have symmetrised
he could have symmetrised
we could have symmetrised
you could have symmetrised
they could have symmetrised	I could have been symmetrising
you could have been symmetrising
he could have been symmetrising
we could have been symmetrising
you could have been symmetrising
they could have been symmetrising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not symmetrise
you could not symmetrise
he could not symmetrise
we could not symmetrise
you could not symmetrise
they could not symmetrise 	I could not be symmetrising
you could not be symmetrising
he could not be symmetrising
we could not be symmetrising
you could not be symmetrising
they could not be symmetrising	I could not have symmetrised
you could not have symmetrised
he could not have symmetrised
we could not have symmetrised
you could not have symmetrised
they could not have symmetrised	I could not have been symmetrising
you could not have been symmetrising
he could not have been symmetrising
we could not have been symmetrising
you could not have been symmetrising
they could not have been symmetrising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I symmetrise?
could you symmetrise?
could he symmetrise?
could we symmetrise?
could you symmetrise?
could they symmetrise? 	could I be symmetrising?
could you be symmetrising?
could he be symmetrising?
could we be symmetrising?
could you be symmetrising?
could they be symmetrising? 	could I have symmetrised?
could you have symmetrised?
could he have symmetrised?
could we have symmetrised?
could you have symmetrised?
could they have symmetrised? 	could I have been symmetrising?
could you have been symmetrising?
could he have been symmetrising?
could we have been symmetrising?
could you have been symmetrising?
could they have been symmetrising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not symmetrise?
could you not symmetrise?
could he not symmetrise?
could we not symmetrise?
could you not symmetrise?
could they not symmetrise? 	could I not be symmetrising?
could you not be symmetrising?
could he not be symmetrising?
could we not be symmetrising?
could you not be symmetrising?
could they not be symmetrising? 	could I not have symmetrised?
could you not have symmetrised?
could he not have symmetrised?
could we not have symmetrised?
could you not have symmetrised?
could they not have symmetrised? 	could I not have been symmetrising?
could you not have been symmetrising?
could he not have been symmetrising?
could we not have been symmetrising?
could you not have been symmetrising?
could they not have been symmetrising?