English verb conjugation COULD UMPIRE

Regular verb: umpire - umpired - umpired

Affirmation

Simple form

I could umpire
you could umpire
he could umpire
we could umpire
you could umpire
they could umpire

V-ing form

I could be umpiring
you could be umpiring
he could be umpiring
we could be umpiring
you could be umpiring
they could be umpiring

Perfect

I could have umpired
you could have umpired
he could have umpired
we could have umpired
you could have umpired
they could have umpired

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I umpire?
could you umpire?
could he umpire?
could we umpire?
could you umpire?
could they umpire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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