English verb conjugation COULD ERUPT

Regular verb: erupt - erupted - erupted

Affirmation

Simple form

I could erupt
you could erupt
she could erupt
we could erupt
you could erupt
they could erupt

V-ing form

I could be erupting
you could be erupting
she could be erupting
we could be erupting
you could be erupting
they could be erupting

Perfect

I could have erupted
you could have erupted
she could have erupted
we could have erupted
you could have erupted
they could have erupted

V-ing perfect

I could have been erupting
you could have been erupting
she could have been erupting
we could have been erupting
you could have been erupting
they could have been erupting

Negation

Simple form

I couldn't erupt
you couldn't erupt
she couldn't erupt
we couldn't erupt
you couldn't erupt
they couldn't erupt

V-ing form

I couldn't be erupting
you couldn't be erupting
she couldn't be erupting
we couldn't be erupting
you couldn't be erupting
they couldn't be erupting

Perfect

I couldn't have erupted
you couldn't have erupted
she couldn't have erupted
we couldn't have erupted
you couldn't have erupted
they couldn't have erupted

V-ing perfect

I couldn't have been erupting
you couldn't have been erupting
she couldn't have been erupting
we couldn't have been erupting
you couldn't have been erupting
they couldn't have been erupting

Interrogative form

Simple form

could I erupt?
could you erupt?
could she erupt?
could we erupt?
could you erupt?
could they erupt?

V-ing form

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

Perfect

could I have erupted?
could you have erupted?
could she have erupted?
could we have erupted?
could you have erupted?
could they have erupted?

V-ing perfect

could I have been erupting?
could you have been erupting?
could she have been erupting?
could we have been erupting?
could you have been erupting?
could they have been erupting?

Interro-negative form

Simple form

couldn't I erupt?
couldn't you erupt?
couldn't she erupt?
couldn't we erupt?
couldn't you erupt?
couldn't they erupt?

V-ing form

couldn't I be erupting?
couldn't you be erupting?
couldn't she be erupting?
couldn't we be erupting?
couldn't you be erupting?
couldn't they be erupting?

Perfect

couldn't I have erupted?
couldn't you have erupted?
couldn't she have erupted?
couldn't we have erupted?
couldn't you have erupted?
couldn't they have erupted?

V-ing perfect

couldn't I have been erupting?
couldn't you have been erupting?
couldn't she have been erupting?
couldn't we have been erupting?
couldn't you have been erupting?
couldn't they have been erupting?

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