could encode
Verbo regular: encode - encoded- encoded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could encode
you could encode
she could encode
we could encode
you could encode
they could encode 	I could be encoding
you could be encoding
she could be encoding
we could be encoding
you could be encoding
they could be encoding	I could have encoded
you could have encoded
she could have encoded
we could have encoded
you could have encoded
they could have encoded	I could have been encoding
you could have been encoding
she could have been encoding
we could have been encoding
you could have been encoding
they could have been encoding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't encode
you couldn't encode
she couldn't encode
we couldn't encode
you couldn't encode
they couldn't encode 	I couldn't be encoding
you couldn't be encoding
she couldn't be encoding
we couldn't be encoding
you couldn't be encoding
they couldn't be encoding	I couldn't have encoded
you couldn't have encoded
she couldn't have encoded
we couldn't have encoded
you couldn't have encoded
they couldn't have encoded	I couldn't have been encoding
you couldn't have been encoding
she couldn't have been encoding
we couldn't have been encoding
you couldn't have been encoding
they couldn't have been encoding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I encode?
could you encode?
could she encode?
could we encode?
could you encode?
could they encode? 	could I be encoding?
could you be encoding?
could she be encoding?
could we be encoding?
could you be encoding?
could they be encoding? 	could I have encoded?
could you have encoded?
could she have encoded?
could we have encoded?
could you have encoded?
could they have encoded? 	could I have been encoding?
could you have been encoding?
could she have been encoding?
could we have been encoding?
could you have been encoding?
could they have been encoding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I encode?
couldn't you encode?
couldn't she encode?
couldn't we encode?
couldn't you encode?
couldn't they encode? 	couldn't I be encoding?
couldn't you be encoding?
couldn't she be encoding?
couldn't we be encoding?
couldn't you be encoding?
couldn't they be encoding? 	couldn't I have encoded?
couldn't you have encoded?
couldn't she have encoded?
couldn't we have encoded?
couldn't you have encoded?
couldn't they have encoded? 	couldn't I have been encoding?
couldn't you have been encoding?
couldn't she have been encoding?
couldn't we have been encoding?
couldn't you have been encoding?
couldn't they have been encoding?