English verb conjugation COULD OBTURATE

Regular verb: obturate - obturated - obturated

Affirmation

Simple form

I could obturate
you could obturate
he could obturate
we could obturate
you could obturate
they could obturate

V-ing form

I could be obturating
you could be obturating
he could be obturating
we could be obturating
you could be obturating
they could be obturating

Perfect

I could have obturated
you could have obturated
he could have obturated
we could have obturated
you could have obturated
they could have obturated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I obturate?
could you obturate?
could he obturate?
could we obturate?
could you obturate?
could they obturate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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