English verb conjugation MUST ENQUIRE

Regular verb: enquire - enquired - enquired

Affirmation

Simple form

I must enquire
you must enquire
she must enquire
we must enquire
you must enquire
they must enquire

V-ing form

I must be enquiring
you must be enquiring
she must be enquiring
we must be enquiring
you must be enquiring
they must be enquiring

Perfect

I must have enquired
you must have enquired
she 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
she must have been enquiring
we must have been enquiring
you must have been enquiring
they must have been enquiring

Negation

Simple form

I mustn't enquire
you mustn't enquire
she mustn't enquire
we mustn't enquire
you mustn't enquire
they mustn't enquire

V-ing form

I mustn't be enquiring
you mustn't be enquiring
she mustn't be enquiring
we mustn't be enquiring
you mustn't be enquiring
they mustn't be enquiring

Perfect

I mustn't have enquired
you mustn't have enquired
she mustn't have enquired
we mustn't have enquired
you mustn't have enquired
they mustn't have enquired

V-ing perfect

I mustn't have been enquiring
you mustn't have been enquiring
she mustn't have been enquiring
we mustn't have been enquiring
you mustn't have been enquiring
they mustn't have been enquiring

Interrogative form

Simple form

must I enquire?
must you enquire?
must she enquire?
must we enquire?
must you enquire?
must they enquire?

V-ing form

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

Perfect

must I have enquired?
must you have enquired?
must she 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 she have been enquiring?
must we have been enquiring?
must you have been enquiring?
must they have been enquiring?

Interro-negative form

Simple form

mustn't I enquire?
mustn't you enquire?
mustn't she enquire?
mustn't we enquire?
mustn't you enquire?
mustn't they enquire?

V-ing form

mustn't I be enquiring?
mustn't you be enquiring?
mustn't she be enquiring?
mustn't we be enquiring?
mustn't you be enquiring?
mustn't they be enquiring?

Perfect

mustn't I have enquired?
mustn't you have enquired?
mustn't she have enquired?
mustn't we have enquired?
mustn't you have enquired?
mustn't they have enquired?

V-ing perfect

mustn't I have been enquiring?
mustn't you have been enquiring?
mustn't she have been enquiring?
mustn't we have been enquiring?
mustn't you have been enquiring?
mustn't they have been enquiring?

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