English verb conjugation MUST LIASE

Regular verb: liase - liased - liased

Affirmation

Simple form

I must liase
you must liase
he must liase
we must liase
you must liase
they must liase

V-ing form

I must be liasing
you must be liasing
he must be liasing
we must be liasing
you must be liasing
they must be liasing

Perfect

I must have liased
you must have liased
he must have liased
we must have liased
you must have liased
they must have liased

V-ing perfect

I must have been liasing
you must have been liasing
he must have been liasing
we must have been liasing
you must have been liasing
they must have been liasing

Negation

Simple form

I mustn't liase
you mustn't liase
he mustn't liase
we mustn't liase
you mustn't liase
they mustn't liase

V-ing form

I mustn't be liasing
you mustn't be liasing
he mustn't be liasing
we mustn't be liasing
you mustn't be liasing
they mustn't be liasing

Perfect

I mustn't have liased
you mustn't have liased
he mustn't have liased
we mustn't have liased
you mustn't have liased
they mustn't have liased

V-ing perfect

I mustn't have been liasing
you mustn't have been liasing
he mustn't have been liasing
we mustn't have been liasing
you mustn't have been liasing
they mustn't have been liasing

Interrogative form

Simple form

must I liase?
must you liase?
must he liase?
must we liase?
must you liase?
must they liase?

V-ing form

must I be liasing?
must you be liasing?
must he be liasing?
must we be liasing?
must you be liasing?
must they be liasing?

Perfect

must I have liased?
must you have liased?
must he have liased?
must we have liased?
must you have liased?
must they have liased?

V-ing perfect

must I have been liasing?
must you have been liasing?
must he have been liasing?
must we have been liasing?
must you have been liasing?
must they have been liasing?

Interro-negative form

Simple form

mustn't I liase?
mustn't you liase?
mustn't he liase?
mustn't we liase?
mustn't you liase?
mustn't they liase?

V-ing form

mustn't I be liasing?
mustn't you be liasing?
mustn't he be liasing?
mustn't we be liasing?
mustn't you be liasing?
mustn't they be liasing?

Perfect

mustn't I have liased?
mustn't you have liased?
mustn't he have liased?
mustn't we have liased?
mustn't you have liased?
mustn't they have liased?

V-ing perfect

mustn't I have been liasing?
mustn't you have been liasing?
mustn't he have been liasing?
mustn't we have been liasing?
mustn't you have been liasing?
mustn't they have been liasing?

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