English verb conjugation COULD ULTRACENTRIFUGE

Regular verb: ultracentrifuge - ultracentrifuged - ultracentrifuged

Affirmation

Simple form

I could ultracentrifuge
you could ultracentrifuge
she could ultracentrifuge
we could ultracentrifuge
you could ultracentrifuge
they could ultracentrifuge

V-ing form

I could be ultracentrifuging
you could be ultracentrifuging
she could be ultracentrifuging
we could be ultracentrifuging
you could be ultracentrifuging
they could be ultracentrifuging

Perfect

I could have ultracentrifuged
you could have ultracentrifuged
she could have ultracentrifuged
we could have ultracentrifuged
you could have ultracentrifuged
they could have ultracentrifuged

V-ing perfect

I could have been ultracentrifuging
you could have been ultracentrifuging
she could have been ultracentrifuging
we could have been ultracentrifuging
you could have been ultracentrifuging
they could have been ultracentrifuging

Negation

Simple form

I couldn't ultracentrifuge
you couldn't ultracentrifuge
she couldn't ultracentrifuge
we couldn't ultracentrifuge
you couldn't ultracentrifuge
they couldn't ultracentrifuge

V-ing form

I couldn't be ultracentrifuging
you couldn't be ultracentrifuging
she couldn't be ultracentrifuging
we couldn't be ultracentrifuging
you couldn't be ultracentrifuging
they couldn't be ultracentrifuging

Perfect

I couldn't have ultracentrifuged
you couldn't have ultracentrifuged
she couldn't have ultracentrifuged
we couldn't have ultracentrifuged
you couldn't have ultracentrifuged
they couldn't have ultracentrifuged

V-ing perfect

I couldn't have been ultracentrifuging
you couldn't have been ultracentrifuging
she couldn't have been ultracentrifuging
we couldn't have been ultracentrifuging
you couldn't have been ultracentrifuging
they couldn't have been ultracentrifuging

Interrogative form

Simple form

could I ultracentrifuge?
could you ultracentrifuge?
could she ultracentrifuge?
could we ultracentrifuge?
could you ultracentrifuge?
could they ultracentrifuge?

V-ing form

could I be ultracentrifuging?
could you be ultracentrifuging?
could she be ultracentrifuging?
could we be ultracentrifuging?
could you be ultracentrifuging?
could they be ultracentrifuging?

Perfect

could I have ultracentrifuged?
could you have ultracentrifuged?
could she have ultracentrifuged?
could we have ultracentrifuged?
could you have ultracentrifuged?
could they have ultracentrifuged?

V-ing perfect

could I have been ultracentrifuging?
could you have been ultracentrifuging?
could she have been ultracentrifuging?
could we have been ultracentrifuging?
could you have been ultracentrifuging?
could they have been ultracentrifuging?

Interro-negative form

Simple form

couldn't I ultracentrifuge?
couldn't you ultracentrifuge?
couldn't she ultracentrifuge?
couldn't we ultracentrifuge?
couldn't you ultracentrifuge?
couldn't they ultracentrifuge?

V-ing form

couldn't I be ultracentrifuging?
couldn't you be ultracentrifuging?
couldn't she be ultracentrifuging?
couldn't we be ultracentrifuging?
couldn't you be ultracentrifuging?
couldn't they be ultracentrifuging?

Perfect

couldn't I have ultracentrifuged?
couldn't you have ultracentrifuged?
couldn't she have ultracentrifuged?
couldn't we have ultracentrifuged?
couldn't you have ultracentrifuged?
couldn't they have ultracentrifuged?

V-ing perfect

couldn't I have been ultracentrifuging?
couldn't you have been ultracentrifuging?
couldn't she have been ultracentrifuging?
couldn't we have been ultracentrifuging?
couldn't you have been ultracentrifuging?
couldn't they have been ultracentrifuging?

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