English verb conjugation COULD DEUTERATE

Regular verb: deuterate - deuterated - deuterated

Affirmation

Simple form

I could deuterate
you could deuterate
she could deuterate
we could deuterate
you could deuterate
they could deuterate

V-ing form

I could be deuterating
you could be deuterating
she could be deuterating
we could be deuterating
you could be deuterating
they could be deuterating

Perfect

I could have deuterated
you could have deuterated
she could have deuterated
we could have deuterated
you could have deuterated
they could have deuterated

V-ing perfect

I could have been deuterating
you could have been deuterating
she could have been deuterating
we could have been deuterating
you could have been deuterating
they could have been deuterating

Negation

Simple form

I couldn't deuterate
you couldn't deuterate
she couldn't deuterate
we couldn't deuterate
you couldn't deuterate
they couldn't deuterate

V-ing form

I couldn't be deuterating
you couldn't be deuterating
she couldn't be deuterating
we couldn't be deuterating
you couldn't be deuterating
they couldn't be deuterating

Perfect

I couldn't have deuterated
you couldn't have deuterated
she couldn't have deuterated
we couldn't have deuterated
you couldn't have deuterated
they couldn't have deuterated

V-ing perfect

I couldn't have been deuterating
you couldn't have been deuterating
she couldn't have been deuterating
we couldn't have been deuterating
you couldn't have been deuterating
they couldn't have been deuterating

Interrogative form

Simple form

could I deuterate?
could you deuterate?
could she deuterate?
could we deuterate?
could you deuterate?
could they deuterate?

V-ing form

could I be deuterating?
could you be deuterating?
could she be deuterating?
could we be deuterating?
could you be deuterating?
could they be deuterating?

Perfect

could I have deuterated?
could you have deuterated?
could she have deuterated?
could we have deuterated?
could you have deuterated?
could they have deuterated?

V-ing perfect

could I have been deuterating?
could you have been deuterating?
could she have been deuterating?
could we have been deuterating?
could you have been deuterating?
could they have been deuterating?

Interro-negative form

Simple form

couldn't I deuterate?
couldn't you deuterate?
couldn't she deuterate?
couldn't we deuterate?
couldn't you deuterate?
couldn't they deuterate?

V-ing form

couldn't I be deuterating?
couldn't you be deuterating?
couldn't she be deuterating?
couldn't we be deuterating?
couldn't you be deuterating?
couldn't they be deuterating?

Perfect

couldn't I have deuterated?
couldn't you have deuterated?
couldn't she have deuterated?
couldn't we have deuterated?
couldn't you have deuterated?
couldn't they have deuterated?

V-ing perfect

couldn't I have been deuterating?
couldn't you have been deuterating?
couldn't she have been deuterating?
couldn't we have been deuterating?
couldn't you have been deuterating?
couldn't they have been deuterating?

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