English verb conjugation COULD SKIRR

Regular verb: skirr - skirred - skirred

Affirmation

Simple form

I could skirr
you could skirr
he could skirr
we could skirr
you could skirr
they could skirr

V-ing form

I could be skirring
you could be skirring
he could be skirring
we could be skirring
you could be skirring
they could be skirring

Perfect

I could have skirred
you could have skirred
he could have skirred
we could have skirred
you could have skirred
they could have skirred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I skirr?
could you skirr?
could he skirr?
could we skirr?
could you skirr?
could they skirr?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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