English verb conjugation MUST LIE

Irregular verb: lie - lay - lain


Affirmation

Simple form

I must lie
you must lie
he must lie
we must lie
you must lie
they must lie

V-ing form

I must be lying
you must be lying
he must be lying
we must be lying
you must be lying
they must be lying

Perfect

I must have lain
you must have lain
he must have lain
we must have lain
you must have lain
they must have lain

V-ing perfect

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

Negation

Simple form

I must not lie
you must not lie
he must not lie
we must not lie
you must not lie
they must not lie

V-ing form

I must not be lying
you must not be lying
he must not be lying
we must not be lying
you must not be lying
they must not be lying

Perfect

I must not have lain
you must not have lain
he must not have lain
we must not have lain
you must not have lain
they must not have lain

V-ing perfect

I must not have been lying
you must not have been lying
he must not have been lying
we must not have been lying
you must not have been lying
they must not have been lying

Interrogative form

Simple form

must I lie?
must you lie?
must he lie?
must we lie?
must you lie?
must they lie?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not lie?
must you not lie?
must he not lie?
must we not lie?
must you not lie?
must they not lie?

V-ing form

must I not be lying?
must you not be lying?
must he not be lying?
must we not be lying?
must you not be lying?
must they not be lying?

Perfect

must I not have lain?
must you not have lain?
must he not have lain?
must we not have lain?
must you not have lain?
must they not have lain?

V-ing perfect

must I not have been lying?
must you not have been lying?
must he not have been lying?
must we not have been lying?
must you not have been lying?
must they not have been lying?