Conjugação do verbo inglês
COULD CENTRIFUGE

Verbo regular: centrifuge - centrifuged - centrifuged

Afirmação

Forma simple	Forma com V-ing
I could centrifuge you could centrifuge he could centrifuge we could centrifuge you could centrifuge they could centrifuge	I could be centrifuging you could be centrifuging he could be centrifuging we could be centrifuging you could be centrifuging they could be centrifuging
Perfeito	Perfeito com V-ing
I could have centrifuged you could have centrifuged he could have centrifuged we could have centrifuged you could have centrifuged they could have centrifuged	I could have been centrifuging you could have been centrifuging he could have been centrifuging we could have been centrifuging you could have been centrifuging they could have been centrifuging

Negação

Forma simple	Forma com V-ing
I could not centrifuge you could not centrifuge he could not centrifuge we could not centrifuge you could not centrifuge they could not centrifuge	I could not be centrifuging you could not be centrifuging he could not be centrifuging we could not be centrifuging you could not be centrifuging they could not be centrifuging
Perfeito	Perfeito com V-ing
I could not have centrifuged you could not have centrifuged he could not have centrifuged we could not have centrifuged you could not have centrifuged they could not have centrifuged	I could not have been centrifuging you could not have been centrifuging he could not have been centrifuging we could not have been centrifuging you could not have been centrifuging they could not have been centrifuging

Forma interrogativa

Forma simple	Forma com V-ing
could I centrifuge? could you centrifuge? could he centrifuge? could we centrifuge? could you centrifuge? could they centrifuge?	could I be centrifuging? could you be centrifuging? could he be centrifuging? could we be centrifuging? could you be centrifuging? could they be centrifuging?
Perfeito	Perfeito com V-ing
could I have centrifuged? could you have centrifuged? could he have centrifuged? could we have centrifuged? could you have centrifuged? could they have centrifuged?	could I have been centrifuging? could you have been centrifuging? could he have been centrifuging? could we have been centrifuging? could you have been centrifuging? could they have been centrifuging?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not centrifuge? could you not centrifuge? could he not centrifuge? could we not centrifuge? could you not centrifuge? could they not centrifuge?	could I not be centrifuging? could you not be centrifuging? could he not be centrifuging? could we not be centrifuging? could you not be centrifuging? could they not be centrifuging?
Perfeito	Perfeito com V-ing
could I not have centrifuged? could you not have centrifuged? could he not have centrifuged? could we not have centrifuged? could you not have centrifuged? could they not have centrifuged?	could I not have been centrifuging? could you not have been centrifuging? could he not have been centrifuging? could we not have been centrifuging? could you not have been centrifuging? could they not have been centrifuging?