could solfa
Verbe régulier : solfa - solfaed- solfaed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could solfa
you could solfa
she could solfa
we could solfa
you could solfa
they could solfa 	I could be solfaing
you could be solfaing
she could be solfaing
we could be solfaing
you could be solfaing
they could be solfaing	I could have solfaed
you could have solfaed
she 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
she could have been solfaing
we could have been solfaing
you could have been solfaing
they could have been solfaing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't solfa
you couldn't solfa
she 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
she 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
she 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
she couldn't have been solfaing
we couldn't have been solfaing
you couldn't have been solfaing
they couldn't have been solfaing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I solfa?
could you solfa?
could she solfa?
could we solfa?
could you solfa?
could they solfa? 	could I be solfaing?
could you be solfaing?
could she be solfaing?
could we be solfaing?
could you be solfaing?
could they be solfaing? 	could I have solfaed?
could you have solfaed?
could she 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 she have been solfaing?
could we have been solfaing?
could you have been solfaing?
could they have been solfaing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I solfa?
couldn't you solfa?
couldn't she 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 she 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 she 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 she have been solfaing?
couldn't we have been solfaing?
couldn't you have been solfaing?
couldn't they have been solfaing?