English verb conjugation MUST UNDERLAY STH

Regular verb: underlay sth - underlay sthed - underlay sthed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I must underlay sth
you must underlay sth
he must underlay sth
we must underlay sth
you must underlay sth
they must underlay sth

V-ing form

I must be underlay sthing
you must be underlay sthing
he must be underlay sthing
we must be underlay sthing
you must be underlay sthing
they must be underlay sthing

Perfect

I must have underlay sthed
you must have underlay sthed
he must have underlay sthed
we must have underlay sthed
you must have underlay sthed
they must have underlay sthed

V-ing perfect

I must have been underlay sthing
you must have been underlay sthing
he must have been underlay sthing
we must have been underlay sthing
you must have been underlay sthing
they must have been underlay sthing

Negation

Simple form

I must not underlay sth
you must not underlay sth
he must not underlay sth
we must not underlay sth
you must not underlay sth
they must not underlay sth

V-ing form

I must not be underlay sthing
you must not be underlay sthing
he must not be underlay sthing
we must not be underlay sthing
you must not be underlay sthing
they must not be underlay sthing

Perfect

I must not have underlay sthed
you must not have underlay sthed
he must not have underlay sthed
we must not have underlay sthed
you must not have underlay sthed
they must not have underlay sthed

V-ing perfect

I must not have been underlay sthing
you must not have been underlay sthing
he must not have been underlay sthing
we must not have been underlay sthing
you must not have been underlay sthing
they must not have been underlay sthing

Interrogative form

Simple form

must I underlay sth?
must you underlay sth?
must he underlay sth?
must we underlay sth?
must you underlay sth?
must they underlay sth?

V-ing form

must I be underlay sthing?
must you be underlay sthing?
must he be underlay sthing?
must we be underlay sthing?
must you be underlay sthing?
must they be underlay sthing?

Perfect

must I have underlay sthed?
must you have underlay sthed?
must he have underlay sthed?
must we have underlay sthed?
must you have underlay sthed?
must they have underlay sthed?

V-ing perfect

must I have been underlay sthing?
must you have been underlay sthing?
must he have been underlay sthing?
must we have been underlay sthing?
must you have been underlay sthing?
must they have been underlay sthing?

Interro-negative form

Simple form

must I not underlay sth?
must you not underlay sth?
must he not underlay sth?
must we not underlay sth?
must you not underlay sth?
must they not underlay sth?

V-ing form

must I not be underlay sthing?
must you not be underlay sthing?
must he not be underlay sthing?
must we not be underlay sthing?
must you not be underlay sthing?
must they not be underlay sthing?

Perfect

must I not have underlay sthed?
must you not have underlay sthed?
must he not have underlay sthed?
must we not have underlay sthed?
must you not have underlay sthed?
must they not have underlay sthed?

V-ing perfect

must I not have been underlay sthing?
must you not have been underlay sthing?
must he not have been underlay sthing?
must we not have been underlay sthing?
must you not have been underlay sthing?
must they not have been underlay sthing?

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