English verb conjugation COULD LIAISE

Regular verb: liaise - liaised - liaised

Affirmation

Simple form

I could liaise
you could liaise
he could liaise
we could liaise
you could liaise
they could liaise

V-ing form

I could be liaising
you could be liaising
he could be liaising
we could be liaising
you could be liaising
they could be liaising

Perfect

I could have liaised
you could have liaised
he could have liaised
we could have liaised
you could have liaised
they could have liaised

V-ing perfect

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

Negation

Simple form

I could not liaise
you could not liaise
he could not liaise
we could not liaise
you could not liaise
they could not liaise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I liaise?
could you liaise?
could he liaise?
could we liaise?
could you liaise?
could they liaise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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