English verb conjugation COULD REVALIDATE

Regular verb: revalidate - revalidated - revalidated

Affirmation

Simple form

I could revalidate
you could revalidate
he could revalidate
we could revalidate
you could revalidate
they could revalidate

V-ing form

I could be revalidating
you could be revalidating
he could be revalidating
we could be revalidating
you could be revalidating
they could be revalidating

Perfect

I could have revalidated
you could have revalidated
he could have revalidated
we could have revalidated
you could have revalidated
they could have revalidated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I revalidate?
could you revalidate?
could he revalidate?
could we revalidate?
could you revalidate?
could they revalidate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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