English verb conjugation COULD DOWNSHIFT

Regular verb: downshift - downshifted - downshifted

Affirmation

Simple form

I could downshift
you could downshift
he could downshift
we could downshift
you could downshift
they could downshift

V-ing form

I could be downshifting
you could be downshifting
he could be downshifting
we could be downshifting
you could be downshifting
they could be downshifting

Perfect

I could have downshifted
you could have downshifted
he could have downshifted
we could have downshifted
you could have downshifted
they could have downshifted

V-ing perfect

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

Negation

Simple form

I couldn't downshift
you couldn't downshift
he couldn't downshift
we couldn't downshift
you couldn't downshift
they couldn't downshift

V-ing form

I couldn't be downshifting
you couldn't be downshifting
he couldn't be downshifting
we couldn't be downshifting
you couldn't be downshifting
they couldn't be downshifting

Perfect

I couldn't have downshifted
you couldn't have downshifted
he couldn't have downshifted
we couldn't have downshifted
you couldn't have downshifted
they couldn't have downshifted

V-ing perfect

I couldn't have been downshifting
you couldn't have been downshifting
he couldn't have been downshifting
we couldn't have been downshifting
you couldn't have been downshifting
they couldn't have been downshifting

Interrogative form

Simple form

could I downshift?
could you downshift?
could he downshift?
could we downshift?
could you downshift?
could they downshift?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I downshift?
couldn't you downshift?
couldn't he downshift?
couldn't we downshift?
couldn't you downshift?
couldn't they downshift?

V-ing form

couldn't I be downshifting?
couldn't you be downshifting?
couldn't he be downshifting?
couldn't we be downshifting?
couldn't you be downshifting?
couldn't they be downshifting?

Perfect

couldn't I have downshifted?
couldn't you have downshifted?
couldn't he have downshifted?
couldn't we have downshifted?
couldn't you have downshifted?
couldn't they have downshifted?

V-ing perfect

couldn't I have been downshifting?
couldn't you have been downshifting?
couldn't he have been downshifting?
couldn't we have been downshifting?
couldn't you have been downshifting?
couldn't they have been downshifting?

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