could swish
Verbo regular: swish - swished- swished

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could swish
you could swish
he could swish
we could swish
you could swish
they could swish 	I could be swishing
you could be swishing
he could be swishing
we could be swishing
you could be swishing
they could be swishing	I could have swished
you could have swished
he could have swished
we could have swished
you could have swished
they could have swished	I could have been swishing
you could have been swishing
he could have been swishing
we could have been swishing
you could have been swishing
they could have been swishing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not swish
you could not swish
he could not swish
we could not swish
you could not swish
they could not swish 	I could not be swishing
you could not be swishing
he could not be swishing
we could not be swishing
you could not be swishing
they could not be swishing	I could not have swished
you could not have swished
he could not have swished
we could not have swished
you could not have swished
they could not have swished	I could not have been swishing
you could not have been swishing
he could not have been swishing
we could not have been swishing
you could not have been swishing
they could not have been swishing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I swish?
could you swish?
could he swish?
could we swish?
could you swish?
could they swish? 	could I be swishing?
could you be swishing?
could he be swishing?
could we be swishing?
could you be swishing?
could they be swishing? 	could I have swished?
could you have swished?
could he have swished?
could we have swished?
could you have swished?
could they have swished? 	could I have been swishing?
could you have been swishing?
could he have been swishing?
could we have been swishing?
could you have been swishing?
could they have been swishing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not swish?
could you not swish?
could he not swish?
could we not swish?
could you not swish?
could they not swish? 	could I not be swishing?
could you not be swishing?
could he not be swishing?
could we not be swishing?
could you not be swishing?
could they not be swishing? 	could I not have swished?
could you not have swished?
could he not have swished?
could we not have swished?
could you not have swished?
could they not have swished? 	could I not have been swishing?
could you not have been swishing?
could he not have been swishing?
could we not have been swishing?
could you not have been swishing?
could they not have been swishing?