English verb conjugation COULD OPPUGN

Regular verb: oppugn - oppugned - oppugned

Affirmation

Simple form

I could oppugn
you could oppugn
she could oppugn
we could oppugn
you could oppugn
they could oppugn

V-ing form

I could be oppugning
you could be oppugning
she could be oppugning
we could be oppugning
you could be oppugning
they could be oppugning

Perfect

I could have oppugned
you could have oppugned
she could have oppugned
we could have oppugned
you could have oppugned
they could have oppugned

V-ing perfect

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

Negation

Simple form

I could not oppugn
you could not oppugn
she could not oppugn
we could not oppugn
you could not oppugn
they could not oppugn

V-ing form

I could not be oppugning
you could not be oppugning
she could not be oppugning
we could not be oppugning
you could not be oppugning
they could not be oppugning

Perfect

I could not have oppugned
you could not have oppugned
she could not have oppugned
we could not have oppugned
you could not have oppugned
they could not have oppugned

V-ing perfect

I could not have been oppugning
you could not have been oppugning
she could not have been oppugning
we could not have been oppugning
you could not have been oppugning
they could not have been oppugning

Interrogative form

Simple form

could I oppugn?
could you oppugn?
could she oppugn?
could we oppugn?
could you oppugn?
could they oppugn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not oppugn?
could you not oppugn?
could she not oppugn?
could we not oppugn?
could you not oppugn?
could they not oppugn?

V-ing form

could I not be oppugning?
could you not be oppugning?
could she not be oppugning?
could we not be oppugning?
could you not be oppugning?
could they not be oppugning?

Perfect

could I not have oppugned?
could you not have oppugned?
could she not have oppugned?
could we not have oppugned?
could you not have oppugned?
could they not have oppugned?

V-ing perfect

could I not have been oppugning?
could you not have been oppugning?
could she not have been oppugning?
could we not have been oppugning?
could you not have been oppugning?
could they not have been oppugning?

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