English verb conjugation COULD UNBUILD

Irregular verb: unbuild - unbuilt - unbuilt

Affirmation

Simple form

I could unbuild
you could unbuild
she could unbuild
we could unbuild
you could unbuild
they could unbuild

V-ing form

I could be unbuilding
you could be unbuilding
she could be unbuilding
we could be unbuilding
you could be unbuilding
they could be unbuilding

Perfect

I could have unbuilt
you could have unbuilt
she 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
she 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
she 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
she 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
she 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
she 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 she unbuild?
could we unbuild?
could you unbuild?
could they unbuild?

V-ing form

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

Perfect

could I have unbuilt?
could you have unbuilt?
could she 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 she 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 she 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 she 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 she 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 she 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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