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 couldn't attenuate you couldn't attenuate he couldn't attenuate we couldn't attenuate you couldn't attenuate they couldn't attenuate	I couldn't be attenuating you couldn't be attenuating he couldn't be attenuating we couldn't be attenuating you couldn't be attenuating they couldn't be attenuating
Perfeito	Perfeito com V-ing
I couldn't have attenuated you couldn't have attenuated he couldn't have attenuated we couldn't have attenuated you couldn't have attenuated they couldn't have attenuated	I couldn't have been attenuating you couldn't have been attenuating he couldn't have been attenuating we couldn't have been attenuating you couldn't have been attenuating they couldn't 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
couldn't I attenuate? couldn't you attenuate? couldn't he attenuate? couldn't we attenuate? couldn't you attenuate? couldn't they attenuate?	couldn't I be attenuating? couldn't you be attenuating? couldn't he be attenuating? couldn't we be attenuating? couldn't you be attenuating? couldn't they be attenuating?
Perfeito	Perfeito com V-ing
couldn't I have attenuated? couldn't you have attenuated? couldn't he have attenuated? couldn't we have attenuated? couldn't you have attenuated? couldn't they have attenuated?	couldn't I have been attenuating? couldn't you have been attenuating? couldn't he have been attenuating? couldn't we have been attenuating? couldn't you have been attenuating? couldn't they have been attenuating?