English verb conjugation MUST INQUIRE

Regular verb: inquire - inquired - inquired

Affirmation

Simple form

I must inquire
you must inquire
he must inquire
we must inquire
you must inquire
they must inquire

V-ing form

I must be inquiring
you must be inquiring
he must be inquiring
we must be inquiring
you must be inquiring
they must be inquiring

Perfect

I must have inquired
you must have inquired
he must have inquired
we must have inquired
you must have inquired
they must have inquired

V-ing perfect

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

Negation

Simple form

I mustn't inquire
you mustn't inquire
he mustn't inquire
we mustn't inquire
you mustn't inquire
they mustn't inquire

V-ing form

I mustn't be inquiring
you mustn't be inquiring
he mustn't be inquiring
we mustn't be inquiring
you mustn't be inquiring
they mustn't be inquiring

Perfect

I mustn't have inquired
you mustn't have inquired
he mustn't have inquired
we mustn't have inquired
you mustn't have inquired
they mustn't have inquired

V-ing perfect

I mustn't have been inquiring
you mustn't have been inquiring
he mustn't have been inquiring
we mustn't have been inquiring
you mustn't have been inquiring
they mustn't have been inquiring

Interrogative form

Simple form

must I inquire?
must you inquire?
must he inquire?
must we inquire?
must you inquire?
must they inquire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I inquire?
mustn't you inquire?
mustn't he inquire?
mustn't we inquire?
mustn't you inquire?
mustn't they inquire?

V-ing form

mustn't I be inquiring?
mustn't you be inquiring?
mustn't he be inquiring?
mustn't we be inquiring?
mustn't you be inquiring?
mustn't they be inquiring?

Perfect

mustn't I have inquired?
mustn't you have inquired?
mustn't he have inquired?
mustn't we have inquired?
mustn't you have inquired?
mustn't they have inquired?

V-ing perfect

mustn't I have been inquiring?
mustn't you have been inquiring?
mustn't he have been inquiring?
mustn't we have been inquiring?
mustn't you have been inquiring?
mustn't they have been inquiring?

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