English verb conjugation MUST RETIRE

Regular verb: retire - retired - retired

Affirmation

Simple form

I must retire
you must retire
he must retire
we must retire
you must retire
they must retire

V-ing form

I must be retiring
you must be retiring
he must be retiring
we must be retiring
you must be retiring
they must be retiring

Perfect

I must have retired
you must have retired
he must have retired
we must have retired
you must have retired
they must have retired

V-ing perfect

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

Negation

Simple form

I must not retire
you must not retire
he must not retire
we must not retire
you must not retire
they must not retire

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retire?
must you retire?
must he retire?
must we retire?
must you retire?
must they retire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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