English verb conjugation COULD SKATE

Regular verb: skate - skated - skated

Affirmation

Simple form

I could skate
you could skate
he could skate
we could skate
you could skate
they could skate

V-ing form

I could be skating
you could be skating
he could be skating
we could be skating
you could be skating
they could be skating

Perfect

I could have skated
you could have skated
he could have skated
we could have skated
you could have skated
they could have skated

V-ing perfect

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

Negation

Simple form

I could not skate
you could not skate
he could not skate
we could not skate
you could not skate
they could not skate

V-ing form

I could not be skating
you could not be skating
he could not be skating
we could not be skating
you could not be skating
they could not be skating

Perfect

I could not have skated
you could not have skated
he could not have skated
we could not have skated
you could not have skated
they could not have skated

V-ing perfect

I could not have been skating
you could not have been skating
he could not have been skating
we could not have been skating
you could not have been skating
they could not have been skating

Interrogative form

Simple form

could I skate?
could you skate?
could he skate?
could we skate?
could you skate?
could they skate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not skate?
could you not skate?
could he not skate?
could we not skate?
could you not skate?
could they not skate?

V-ing form

could I not be skating?
could you not be skating?
could he not be skating?
could we not be skating?
could you not be skating?
could they not be skating?

Perfect

could I not have skated?
could you not have skated?
could he not have skated?
could we not have skated?
could you not have skated?
could they not have skated?

V-ing perfect

could I not have been skating?
could you not have been skating?
could he not have been skating?
could we not have been skating?
could you not have been skating?
could they not have been skating?

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