English verb conjugation COULD TELECONFERENCE

Regular verb: teleconference - teleconferenced - teleconferenced

Affirmation

Simple form

I could teleconference
you could teleconference
he could teleconference
we could teleconference
you could teleconference
they could teleconference

V-ing form

I could be teleconferencing
you could be teleconferencing
he could be teleconferencing
we could be teleconferencing
you could be teleconferencing
they could be teleconferencing

Perfect

I could have teleconferenced
you could have teleconferenced
he could have teleconferenced
we could have teleconferenced
you could have teleconferenced
they could have teleconferenced

V-ing perfect

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

Negation

Simple form

I could not teleconference
you could not teleconference
he could not teleconference
we could not teleconference
you could not teleconference
they could not teleconference

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I teleconference?
could you teleconference?
could he teleconference?
could we teleconference?
could you teleconference?
could they teleconference?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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