English verb conjugation MUST ENQUIRE

Regular verb: enquire - enquired - enquired

Affirmation

Simple form

I must enquire
you must enquire
he must enquire
we must enquire
you must enquire
they must enquire

V-ing form

I must be enquiring
you must be enquiring
he must be enquiring
we must be enquiring
you must be enquiring
they must be enquiring

Perfect

I must have enquired
you must have enquired
he must have enquired
we must have enquired
you must have enquired
they must have enquired

V-ing perfect

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

Negation

Simple form

I must not enquire
you must not enquire
he must not enquire
we must not enquire
you must not enquire
they must not enquire

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I enquire?
must you enquire?
must he enquire?
must we enquire?
must you enquire?
must they enquire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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