English verb conjugation COULD UPSHIFT

Regular verb: upshift - upshifted - upshifted

Affirmation

Simple form

I could upshift
you could upshift
he could upshift
we could upshift
you could upshift
they could upshift

V-ing form

I could be upshifting
you could be upshifting
he could be upshifting
we could be upshifting
you could be upshifting
they could be upshifting

Perfect

I could have upshifted
you could have upshifted
he could have upshifted
we could have upshifted
you could have upshifted
they could have upshifted

V-ing perfect

I could have been upshifting
you could have been upshifting
he could have been upshifting
we could have been upshifting
you could have been upshifting
they could have been upshifting

Negation

Simple form

I could not upshift
you could not upshift
he could not upshift
we could not upshift
you could not upshift
they could not upshift

V-ing form

I could not be upshifting
you could not be upshifting
he could not be upshifting
we could not be upshifting
you could not be upshifting
they could not be upshifting

Perfect

I could not have upshifted
you could not have upshifted
he could not have upshifted
we could not have upshifted
you could not have upshifted
they could not have upshifted

V-ing perfect

I could not have been upshifting
you could not have been upshifting
he could not have been upshifting
we could not have been upshifting
you could not have been upshifting
they could not have been upshifting

Interrogative form

Simple form

could I upshift?
could you upshift?
could he upshift?
could we upshift?
could you upshift?
could they upshift?

V-ing form

could I be upshifting?
could you be upshifting?
could he be upshifting?
could we be upshifting?
could you be upshifting?
could they be upshifting?

Perfect

could I have upshifted?
could you have upshifted?
could he have upshifted?
could we have upshifted?
could you have upshifted?
could they have upshifted?

V-ing perfect

could I have been upshifting?
could you have been upshifting?
could he have been upshifting?
could we have been upshifting?
could you have been upshifting?
could they have been upshifting?

Interro-negative form

Simple form

could I not upshift?
could you not upshift?
could he not upshift?
could we not upshift?
could you not upshift?
could they not upshift?

V-ing form

could I not be upshifting?
could you not be upshifting?
could he not be upshifting?
could we not be upshifting?
could you not be upshifting?
could they not be upshifting?

Perfect

could I not have upshifted?
could you not have upshifted?
could he not have upshifted?
could we not have upshifted?
could you not have upshifted?
could they not have upshifted?

V-ing perfect

could I not have been upshifting?
could you not have been upshifting?
could he not have been upshifting?
could we not have been upshifting?
could you not have been upshifting?
could they not have been upshifting?

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