English verb conjugation COULD ADDUCE

Regular verb: adduce - adduced - adduced

Affirmation

Simple form

I could adduce
you could adduce
he could adduce
we could adduce
you could adduce
they could adduce

V-ing form

I could be adducing
you could be adducing
he could be adducing
we could be adducing
you could be adducing
they could be adducing

Perfect

I could have adduced
you could have adduced
he could have adduced
we could have adduced
you could have adduced
they could have adduced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I adduce?
could you adduce?
could he adduce?
could we adduce?
could you adduce?
could they adduce?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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