English verb conjugation COULD UNBUILD

Irregular verb: unbuild - unbuilt - unbuilt

Affirmation

Simple form

I could unbuild
you could unbuild
he could unbuild
we could unbuild
you could unbuild
they could unbuild

V-ing form

I could be unbuilding
you could be unbuilding
he could be unbuilding
we could be unbuilding
you could be unbuilding
they could be unbuilding

Perfect

I could have unbuilt
you could have unbuilt
he could have unbuilt
we could have unbuilt
you could have unbuilt
they could have unbuilt

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unbuild?
could you unbuild?
could he unbuild?
could we unbuild?
could you unbuild?
could they unbuild?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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