English verb conjugation COULD UNSTRING

Irregular verb: unstring - unstrung - unstrung

Affirmation

Simple form

I could unstring
you could unstring
he could unstring
we could unstring
you could unstring
they could unstring

V-ing form

I could be unstringing
you could be unstringing
he could be unstringing
we could be unstringing
you could be unstringing
they could be unstringing

Perfect

I could have unstrung
you could have unstrung
he could have unstrung
we could have unstrung
you could have unstrung
they could have unstrung

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unstring?
could you unstring?
could he unstring?
could we unstring?
could you unstring?
could they unstring?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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