Conjugação do verbo inglês
COULD ATTENUATE

Verbo regular: attenuate - attenuated - attenuated

Afirmação

Forma simple	Forma com V-ing
I could attenuate you could attenuate he could attenuate we could attenuate you could attenuate they could attenuate	I could be attenuating you could be attenuating he could be attenuating we could be attenuating you could be attenuating they could be attenuating
Perfeito	Perfeito com V-ing
I could have attenuated you could have attenuated he could have attenuated we could have attenuated you could have attenuated they could have attenuated	I could have been attenuating you could have been attenuating he could have been attenuating we could have been attenuating you could have been attenuating they could have been attenuating

Negação

Forma simple	Forma com V-ing
I could not attenuate you could not attenuate he could not attenuate we could not attenuate you could not attenuate they could not attenuate	I could not be attenuating you could not be attenuating he could not be attenuating we could not be attenuating you could not be attenuating they could not be attenuating
Perfeito	Perfeito com V-ing
I could not have attenuated you could not have attenuated he could not have attenuated we could not have attenuated you could not have attenuated they could not have attenuated	I could not have been attenuating you could not have been attenuating he could not have been attenuating we could not have been attenuating you could not have been attenuating they could not have been attenuating

Forma interrogativa

Forma simple	Forma com V-ing
could I attenuate? could you attenuate? could he attenuate? could we attenuate? could you attenuate? could they attenuate?	could I be attenuating? could you be attenuating? could he be attenuating? could we be attenuating? could you be attenuating? could they be attenuating?
Perfeito	Perfeito com V-ing
could I have attenuated? could you have attenuated? could he have attenuated? could we have attenuated? could you have attenuated? could they have attenuated?	could I have been attenuating? could you have been attenuating? could he have been attenuating? could we have been attenuating? could you have been attenuating? could they have been attenuating?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not attenuate? could you not attenuate? could he not attenuate? could we not attenuate? could you not attenuate? could they not attenuate?	could I not be attenuating? could you not be attenuating? could he not be attenuating? could we not be attenuating? could you not be attenuating? could they not be attenuating?
Perfeito	Perfeito com V-ing
could I not have attenuated? could you not have attenuated? could he not have attenuated? could we not have attenuated? could you not have attenuated? could they not have attenuated?	could I not have been attenuating? could you not have been attenuating? could he not have been attenuating? could we not have been attenuating? could you not have been attenuating? could they not have been attenuating?