English verb conjugation COULD ANTIQUATE

Regular verb: antiquate - antiquated - antiquated

Affirmation

Simple form

I could antiquate
you could antiquate
he could antiquate
we could antiquate
you could antiquate
they could antiquate

V-ing form

I could be antiquating
you could be antiquating
he could be antiquating
we could be antiquating
you could be antiquating
they could be antiquating

Perfect

I could have antiquated
you could have antiquated
he could have antiquated
we could have antiquated
you could have antiquated
they could have antiquated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I antiquate?
could you antiquate?
could he antiquate?
could we antiquate?
could you antiquate?
could they antiquate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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