English verb conjugation COULD LIAISE

Regular verb: liaise - liaised - liaised

Affirmation

Simple form

I could liaise
you could liaise
she could liaise
we could liaise
you could liaise
they could liaise

V-ing form

I could be liaising
you could be liaising
she could be liaising
we could be liaising
you could be liaising
they could be liaising

Perfect

I could have liaised
you could have liaised
she 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
she could have been liaising
we could have been liaising
you could have been liaising
they could have been liaising

Negation

Simple form

I couldn't liaise
you couldn't liaise
she couldn't liaise
we couldn't liaise
you couldn't liaise
they couldn't liaise

V-ing form

I couldn't be liaising
you couldn't be liaising
she couldn't be liaising
we couldn't be liaising
you couldn't be liaising
they couldn't be liaising

Perfect

I couldn't have liaised
you couldn't have liaised
she couldn't have liaised
we couldn't have liaised
you couldn't have liaised
they couldn't have liaised

V-ing perfect

I couldn't have been liaising
you couldn't have been liaising
she couldn't have been liaising
we couldn't have been liaising
you couldn't have been liaising
they couldn't have been liaising

Interrogative form

Simple form

could I liaise?
could you liaise?
could she liaise?
could we liaise?
could you liaise?
could they liaise?

V-ing form

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

Perfect

could I have liaised?
could you have liaised?
could she 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 she have been liaising?
could we have been liaising?
could you have been liaising?
could they have been liaising?

Interro-negative form

Simple form

couldn't I liaise?
couldn't you liaise?
couldn't she liaise?
couldn't we liaise?
couldn't you liaise?
couldn't they liaise?

V-ing form

couldn't I be liaising?
couldn't you be liaising?
couldn't she be liaising?
couldn't we be liaising?
couldn't you be liaising?
couldn't they be liaising?

Perfect

couldn't I have liaised?
couldn't you have liaised?
couldn't she have liaised?
couldn't we have liaised?
couldn't you have liaised?
couldn't they have liaised?

V-ing perfect

couldn't I have been liaising?
couldn't you have been liaising?
couldn't she have been liaising?
couldn't we have been liaising?
couldn't you have been liaising?
couldn't they have been liaising?

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