English verb conjugation COULD UNSHIFT

Regular verb: unshift - unshifted - unshifted

Affirmation

Simple form

I could unshift
you could unshift
he could unshift
we could unshift
you could unshift
they could unshift

V-ing form

I could be unshifting
you could be unshifting
he could be unshifting
we could be unshifting
you could be unshifting
they could be unshifting

Perfect

I could have unshifted
you could have unshifted
he could have unshifted
we could have unshifted
you could have unshifted
they could have unshifted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unshift?
could you unshift?
could he unshift?
could we unshift?
could you unshift?
could they unshift?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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