English verb conjugation COULD SKIDOO

Regular verb: skidoo - skidooed - skidooed

Affirmation

Simple form

I could skidoo
you could skidoo
he could skidoo
we could skidoo
you could skidoo
they could skidoo

V-ing form

I could be skidooing
you could be skidooing
he could be skidooing
we could be skidooing
you could be skidooing
they could be skidooing

Perfect

I could have skidooed
you could have skidooed
he could have skidooed
we could have skidooed
you could have skidooed
they could have skidooed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I skidoo?
could you skidoo?
could he skidoo?
could we skidoo?
could you skidoo?
could they skidoo?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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