could outsing
Verbo irregular: outsing - outsang- outsung

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could outsing
you could outsing
she could outsing
we could outsing
you could outsing
they could outsing 	I could be outsinging
you could be outsinging
she could be outsinging
we could be outsinging
you could be outsinging
they could be outsinging	I could have outsung
you could have outsung
she could have outsung
we could have outsung
you could have outsung
they could have outsung	I could have been outsinging
you could have been outsinging
she could have been outsinging
we could have been outsinging
you could have been outsinging
they could have been outsinging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not outsing
you could not outsing
she could not outsing
we could not outsing
you could not outsing
they could not outsing 	I could not be outsinging
you could not be outsinging
she could not be outsinging
we could not be outsinging
you could not be outsinging
they could not be outsinging	I could not have outsung
you could not have outsung
she could not have outsung
we could not have outsung
you could not have outsung
they could not have outsung	I could not have been outsinging
you could not have been outsinging
she could not have been outsinging
we could not have been outsinging
you could not have been outsinging
they could not have been outsinging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I outsing?
could you outsing?
could she outsing?
could we outsing?
could you outsing?
could they outsing? 	could I be outsinging?
could you be outsinging?
could she be outsinging?
could we be outsinging?
could you be outsinging?
could they be outsinging? 	could I have outsung?
could you have outsung?
could she have outsung?
could we have outsung?
could you have outsung?
could they have outsung? 	could I have been outsinging?
could you have been outsinging?
could she have been outsinging?
could we have been outsinging?
could you have been outsinging?
could they have been outsinging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not outsing?
could you not outsing?
could she not outsing?
could we not outsing?
could you not outsing?
could they not outsing? 	could I not be outsinging?
could you not be outsinging?
could she not be outsinging?
could we not be outsinging?
could you not be outsinging?
could they not be outsinging? 	could I not have outsung?
could you not have outsung?
could she not have outsung?
could we not have outsung?
could you not have outsung?
could they not have outsung? 	could I not have been outsinging?
could you not have been outsinging?
could she not have been outsinging?
could we not have been outsinging?
could you not have been outsinging?
could they not have been outsinging?