English verb conjugation COULD DISTINGUISH

Regular verb: distinguish - distinguished - distinguished

Affirmation

Simple form

I could distinguish
you could distinguish
he could distinguish
we could distinguish
you could distinguish
they could distinguish

V-ing form

I could be distinguishing
you could be distinguishing
he could be distinguishing
we could be distinguishing
you could be distinguishing
they could be distinguishing

Perfect

I could have distinguished
you could have distinguished
he could have distinguished
we could have distinguished
you could have distinguished
they could have distinguished

V-ing perfect

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

Negation

Simple form

I could not distinguish
you could not distinguish
he could not distinguish
we could not distinguish
you could not distinguish
they could not distinguish

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I distinguish?
could you distinguish?
could he distinguish?
could we distinguish?
could you distinguish?
could they distinguish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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