could solfa
Verbo regular: solfa - solfaed- solfaed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could solfa
you could solfa
he could solfa
we could solfa
you could solfa
they could solfa 	I could be solfaing
you could be solfaing
he could be solfaing
we could be solfaing
you could be solfaing
they could be solfaing	I could have solfaed
you could have solfaed
he could have solfaed
we could have solfaed
you could have solfaed
they could have solfaed	I could have been solfaing
you could have been solfaing
he could have been solfaing
we could have been solfaing
you could have been solfaing
they could have been solfaing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't solfa
you couldn't solfa
he couldn't solfa
we couldn't solfa
you couldn't solfa
they couldn't solfa 	I couldn't be solfaing
you couldn't be solfaing
he couldn't be solfaing
we couldn't be solfaing
you couldn't be solfaing
they couldn't be solfaing	I couldn't have solfaed
you couldn't have solfaed
he couldn't have solfaed
we couldn't have solfaed
you couldn't have solfaed
they couldn't have solfaed	I couldn't have been solfaing
you couldn't have been solfaing
he couldn't have been solfaing
we couldn't have been solfaing
you couldn't have been solfaing
they couldn't have been solfaing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I solfa?
could you solfa?
could he solfa?
could we solfa?
could you solfa?
could they solfa? 	could I be solfaing?
could you be solfaing?
could he be solfaing?
could we be solfaing?
could you be solfaing?
could they be solfaing? 	could I have solfaed?
could you have solfaed?
could he have solfaed?
could we have solfaed?
could you have solfaed?
could they have solfaed? 	could I have been solfaing?
could you have been solfaing?
could he have been solfaing?
could we have been solfaing?
could you have been solfaing?
could they have been solfaing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I solfa?
couldn't you solfa?
couldn't he solfa?
couldn't we solfa?
couldn't you solfa?
couldn't they solfa? 	couldn't I be solfaing?
couldn't you be solfaing?
couldn't he be solfaing?
couldn't we be solfaing?
couldn't you be solfaing?
couldn't they be solfaing? 	couldn't I have solfaed?
couldn't you have solfaed?
couldn't he have solfaed?
couldn't we have solfaed?
couldn't you have solfaed?
couldn't they have solfaed? 	couldn't I have been solfaing?
couldn't you have been solfaing?
couldn't he have been solfaing?
couldn't we have been solfaing?
couldn't you have been solfaing?
couldn't they have been solfaing?