Conjugação do verbo inglês
COULD CLASS

Verbo regular: class - classed - classed

Afirmação

Forma simple	Forma com V-ing
I could class you could class she could class we could class you could class they could class	I could be classing you could be classing she could be classing we could be classing you could be classing they could be classing
Perfeito	Perfeito com V-ing
I could have classed you could have classed she could have classed we could have classed you could have classed they could have classed	I could have been classing you could have been classing she could have been classing we could have been classing you could have been classing they could have been classing

Negação

Forma simple	Forma com V-ing
I could not class you could not class she could not class we could not class you could not class they could not class	I could not be classing you could not be classing she could not be classing we could not be classing you could not be classing they could not be classing
Perfeito	Perfeito com V-ing
I could not have classed you could not have classed she could not have classed we could not have classed you could not have classed they could not have classed	I could not have been classing you could not have been classing she could not have been classing we could not have been classing you could not have been classing they could not have been classing

Forma interrogativa

Forma simple	Forma com V-ing
could I class? could you class? could she class? could we class? could you class? could they class?	could I be classing? could you be classing? could she be classing? could we be classing? could you be classing? could they be classing?
Perfeito	Perfeito com V-ing
could I have classed? could you have classed? could she have classed? could we have classed? could you have classed? could they have classed?	could I have been classing? could you have been classing? could she have been classing? could we have been classing? could you have been classing? could they have been classing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not class? could you not class? could she not class? could we not class? could you not class? could they not class?	could I not be classing? could you not be classing? could she not be classing? could we not be classing? could you not be classing? could they not be classing?
Perfeito	Perfeito com V-ing
could I not have classed? could you not have classed? could she not have classed? could we not have classed? could you not have classed? could they not have classed?	could I not have been classing? could you not have been classing? could she not have been classing? could we not have been classing? could you not have been classing? could they not have been classing?