English verb conjugation COULD GRADATE

Regular verb: gradate - gradated - gradated

Affirmation

Simple form

I could gradate
you could gradate
he could gradate
we could gradate
you could gradate
they could gradate

V-ing form

I could be gradating
you could be gradating
he could be gradating
we could be gradating
you could be gradating
they could be gradating

Perfect

I could have gradated
you could have gradated
he could have gradated
we could have gradated
you could have gradated
they could have gradated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gradate?
could you gradate?
could he gradate?
could we gradate?
could you gradate?
could they gradate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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