English verb conjugation COULD UNTANGLE

Regular verb: untangle - untangled - untangled

Affirmation

Simple form

I could untangle
you could untangle
he could untangle
we could untangle
you could untangle
they could untangle

V-ing form

I could be untangling
you could be untangling
he could be untangling
we could be untangling
you could be untangling
they could be untangling

Perfect

I could have untangled
you could have untangled
he could have untangled
we could have untangled
you could have untangled
they could have untangled

V-ing perfect

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

Negation

Simple form

I could not untangle
you could not untangle
he could not untangle
we could not untangle
you could not untangle
they could not untangle

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I untangle?
could you untangle?
could he untangle?
could we untangle?
could you untangle?
could they untangle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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