Conjugação do verbo inglês
COULD CLASS

Verbo regular: class - classed - classed

Afirmação

Forma simple	Forma com V-ing
I could class you could class he could class we could class you could class they could class	I could be classing you could be classing he 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 he 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 he 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 couldn't class you couldn't class he couldn't class we couldn't class you couldn't class they couldn't class	I couldn't be classing you couldn't be classing he couldn't be classing we couldn't be classing you couldn't be classing they couldn't be classing
Perfeito	Perfeito com V-ing
I couldn't have classed you couldn't have classed he couldn't have classed we couldn't have classed you couldn't have classed they couldn't have classed	I couldn't have been classing you couldn't have been classing he couldn't have been classing we couldn't have been classing you couldn't have been classing they couldn't have been classing

Forma interrogativa

Forma simple	Forma com V-ing
could I class? could you class? could he class? could we class? could you class? could they class?	could I be classing? could you be classing? could he 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 he 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 he 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
couldn't I class? couldn't you class? couldn't he class? couldn't we class? couldn't you class? couldn't they class?	couldn't I be classing? couldn't you be classing? couldn't he be classing? couldn't we be classing? couldn't you be classing? couldn't they be classing?
Perfeito	Perfeito com V-ing
couldn't I have classed? couldn't you have classed? couldn't he have classed? couldn't we have classed? couldn't you have classed? couldn't they have classed?	couldn't I have been classing? couldn't you have been classing? couldn't he have been classing? couldn't we have been classing? couldn't you have been classing? couldn't they have been classing?