could baa
Verbo regular: baa - baaed- baaed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could baa
you could baa
he could baa
we could baa
you could baa
they could baa 	I could be baaing
you could be baaing
he could be baaing
we could be baaing
you could be baaing
they could be baaing	I could have baaed
you could have baaed
he could have baaed
we could have baaed
you could have baaed
they could have baaed	I could have been baaing
you could have been baaing
he could have been baaing
we could have been baaing
you could have been baaing
they could have been baaing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not baa
you could not baa
he could not baa
we could not baa
you could not baa
they could not baa 	I could not be baaing
you could not be baaing
he could not be baaing
we could not be baaing
you could not be baaing
they could not be baaing	I could not have baaed
you could not have baaed
he could not have baaed
we could not have baaed
you could not have baaed
they could not have baaed	I could not have been baaing
you could not have been baaing
he could not have been baaing
we could not have been baaing
you could not have been baaing
they could not have been baaing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I baa?
could you baa?
could he baa?
could we baa?
could you baa?
could they baa? 	could I be baaing?
could you be baaing?
could he be baaing?
could we be baaing?
could you be baaing?
could they be baaing? 	could I have baaed?
could you have baaed?
could he have baaed?
could we have baaed?
could you have baaed?
could they have baaed? 	could I have been baaing?
could you have been baaing?
could he have been baaing?
could we have been baaing?
could you have been baaing?
could they have been baaing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not baa?
could you not baa?
could he not baa?
could we not baa?
could you not baa?
could they not baa? 	could I not be baaing?
could you not be baaing?
could he not be baaing?
could we not be baaing?
could you not be baaing?
could they not be baaing? 	could I not have baaed?
could you not have baaed?
could he not have baaed?
could we not have baaed?
could you not have baaed?
could they not have baaed? 	could I not have been baaing?
could you not have been baaing?
could he not have been baaing?
could we not have been baaing?
could you not have been baaing?
could they not have been baaing?