English verb conjugation MUST UNDERSTATE

Regular verb: understate - understated - understated

Affirmation

Simple form

I must understate
you must understate
he must understate
we must understate
you must understate
they must understate

V-ing form

I must be understating
you must be understating
he must be understating
we must be understating
you must be understating
they must be understating

Perfect

I must have understated
you must have understated
he must have understated
we must have understated
you must have understated
they must have understated

V-ing perfect

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

Negation

Simple form

I must not understate
you must not understate
he must not understate
we must not understate
you must not understate
they must not understate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I understate?
must you understate?
must he understate?
must we understate?
must you understate?
must they understate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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