Conjugação do verbo inglês
COULD CLEAN

Verbo regular: clean - cleaned - cleaned

Afirmação

Forma simple	Forma com V-ing
I could clean you could clean she could clean we could clean you could clean they could clean	I could be cleaning you could be cleaning she could be cleaning we could be cleaning you could be cleaning they could be cleaning
Perfeito	Perfeito com V-ing
I could have cleaned you could have cleaned she could have cleaned we could have cleaned you could have cleaned they could have cleaned	I could have been cleaning you could have been cleaning she could have been cleaning we could have been cleaning you could have been cleaning they could have been cleaning

Negação

Forma simple	Forma com V-ing
I could not clean you could not clean she could not clean we could not clean you could not clean they could not clean	I could not be cleaning you could not be cleaning she could not be cleaning we could not be cleaning you could not be cleaning they could not be cleaning
Perfeito	Perfeito com V-ing
I could not have cleaned you could not have cleaned she could not have cleaned we could not have cleaned you could not have cleaned they could not have cleaned	I could not have been cleaning you could not have been cleaning she could not have been cleaning we could not have been cleaning you could not have been cleaning they could not have been cleaning

Forma interrogativa

Forma simple	Forma com V-ing
could I clean? could you clean? could she clean? could we clean? could you clean? could they clean?	could I be cleaning? could you be cleaning? could she be cleaning? could we be cleaning? could you be cleaning? could they be cleaning?
Perfeito	Perfeito com V-ing
could I have cleaned? could you have cleaned? could she have cleaned? could we have cleaned? could you have cleaned? could they have cleaned?	could I have been cleaning? could you have been cleaning? could she have been cleaning? could we have been cleaning? could you have been cleaning? could they have been cleaning?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not clean? could you not clean? could she not clean? could we not clean? could you not clean? could they not clean?	could I not be cleaning? could you not be cleaning? could she not be cleaning? could we not be cleaning? could you not be cleaning? could they not be cleaning?
Perfeito	Perfeito com V-ing
could I not have cleaned? could you not have cleaned? could she not have cleaned? could we not have cleaned? could you not have cleaned? could they not have cleaned?	could I not have been cleaning? could you not have been cleaning? could she not have been cleaning? could we not have been cleaning? could you not have been cleaning? could they not have been cleaning?