English verb conjugation COULD SKIRL

Regular verb: skirl - skirled - skirled

Affirmation

Simple form

I could skirl
you could skirl
he could skirl
we could skirl
you could skirl
they could skirl

V-ing form

I could be skirling
you could be skirling
he could be skirling
we could be skirling
you could be skirling
they could be skirling

Perfect

I could have skirled
you could have skirled
he could have skirled
we could have skirled
you could have skirled
they could have skirled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I skirl?
could you skirl?
could he skirl?
could we skirl?
could you skirl?
could they skirl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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