English verb conjugation COULD OXYGENATE

Regular verb: oxygenate - oxygenated - oxygenated

Affirmation

Simple form

I could oxygenate
you could oxygenate
he could oxygenate
we could oxygenate
you could oxygenate
they could oxygenate

V-ing form

I could be oxygenating
you could be oxygenating
he could be oxygenating
we could be oxygenating
you could be oxygenating
they could be oxygenating

Perfect

I could have oxygenated
you could have oxygenated
he could have oxygenated
we could have oxygenated
you could have oxygenated
they could have oxygenated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I oxygenate?
could you oxygenate?
could he oxygenate?
could we oxygenate?
could you oxygenate?
could they oxygenate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top