English verb conjugation COULD REFERENCE

Regular verb: reference - referenced - referenced

Affirmation

Simple form

I could reference
you could reference
he could reference
we could reference
you could reference
they could reference

V-ing form

I could be referencing
you could be referencing
he could be referencing
we could be referencing
you could be referencing
they could be referencing

Perfect

I could have referenced
you could have referenced
he could have referenced
we could have referenced
you could have referenced
they could have referenced

V-ing perfect

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

Negation

Simple form

I could not reference
you could not reference
he could not reference
we could not reference
you could not reference
they could not reference

V-ing form

I could not be referencing
you could not be referencing
he could not be referencing
we could not be referencing
you could not be referencing
they could not be referencing

Perfect

I could not have referenced
you could not have referenced
he could not have referenced
we could not have referenced
you could not have referenced
they could not have referenced

V-ing perfect

I could not have been referencing
you could not have been referencing
he could not have been referencing
we could not have been referencing
you could not have been referencing
they could not have been referencing

Interrogative form

Simple form

could I reference?
could you reference?
could he reference?
could we reference?
could you reference?
could they reference?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not reference?
could you not reference?
could he not reference?
could we not reference?
could you not reference?
could they not reference?

V-ing form

could I not be referencing?
could you not be referencing?
could he not be referencing?
could we not be referencing?
could you not be referencing?
could they not be referencing?

Perfect

could I not have referenced?
could you not have referenced?
could he not have referenced?
could we not have referenced?
could you not have referenced?
could they not have referenced?

V-ing perfect

could I not have been referencing?
could you not have been referencing?
could he not have been referencing?
could we not have been referencing?
could you not have been referencing?
could they not have been referencing?

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