Conjugación del verbo inglés
COULD ULTRACENTRIFUGE

Verbo regular: ultracentrifuge - ultracentrifuged - ultracentrifuged

Afirmación

Forma simple	Forma con V-ing
I could ultracentrifuge you could ultracentrifuge he could ultracentrifuge we could ultracentrifuge you could ultracentrifuge they could ultracentrifuge	I could be ultracentrifuging you could be ultracentrifuging he could be ultracentrifuging we could be ultracentrifuging you could be ultracentrifuging they could be ultracentrifuging
Perfecto	Perfecto con V-ing
I could have ultracentrifuged you could have ultracentrifuged he could have ultracentrifuged we could have ultracentrifuged you could have ultracentrifuged they could have ultracentrifuged	I could have been ultracentrifuging you could have been ultracentrifuging he could have been ultracentrifuging we could have been ultracentrifuging you could have been ultracentrifuging they could have been ultracentrifuging

Negación

Forma simple	Forma con V-ing
I couldn't ultracentrifuge you couldn't ultracentrifuge he couldn't ultracentrifuge we couldn't ultracentrifuge you couldn't ultracentrifuge they couldn't ultracentrifuge	I couldn't be ultracentrifuging you couldn't be ultracentrifuging he couldn't be ultracentrifuging we couldn't be ultracentrifuging you couldn't be ultracentrifuging they couldn't be ultracentrifuging
Perfecto	Perfecto con V-ing
I couldn't have ultracentrifuged you couldn't have ultracentrifuged he couldn't have ultracentrifuged we couldn't have ultracentrifuged you couldn't have ultracentrifuged they couldn't have ultracentrifuged	I couldn't have been ultracentrifuging you couldn't have been ultracentrifuging he couldn't have been ultracentrifuging we couldn't have been ultracentrifuging you couldn't have been ultracentrifuging they couldn't have been ultracentrifuging

Forma interrogativa

Forma simple	Forma con V-ing
could I ultracentrifuge? could you ultracentrifuge? could he ultracentrifuge? could we ultracentrifuge? could you ultracentrifuge? could they ultracentrifuge?	could I be ultracentrifuging? could you be ultracentrifuging? could he be ultracentrifuging? could we be ultracentrifuging? could you be ultracentrifuging? could they be ultracentrifuging?
Perfecto	Perfecto con V-ing
could I have ultracentrifuged? could you have ultracentrifuged? could he have ultracentrifuged? could we have ultracentrifuged? could you have ultracentrifuged? could they have ultracentrifuged?	could I have been ultracentrifuging? could you have been ultracentrifuging? could he have been ultracentrifuging? could we have been ultracentrifuging? could you have been ultracentrifuging? could they have been ultracentrifuging?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I ultracentrifuge? couldn't you ultracentrifuge? couldn't he ultracentrifuge? couldn't we ultracentrifuge? couldn't you ultracentrifuge? couldn't they ultracentrifuge?	couldn't I be ultracentrifuging? couldn't you be ultracentrifuging? couldn't he be ultracentrifuging? couldn't we be ultracentrifuging? couldn't you be ultracentrifuging? couldn't they be ultracentrifuging?
Perfecto	Perfecto con V-ing
couldn't I have ultracentrifuged? couldn't you have ultracentrifuged? couldn't he have ultracentrifuged? couldn't we have ultracentrifuged? couldn't you have ultracentrifuged? couldn't they have ultracentrifuged?	couldn't I have been ultracentrifuging? couldn't you have been ultracentrifuging? couldn't he have been ultracentrifuging? couldn't we have been ultracentrifuging? couldn't you have been ultracentrifuging? couldn't they have been ultracentrifuging?