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 mustn't retire
you mustn't retire
he mustn't retire
we mustn't retire
you mustn't retire
they mustn't retire

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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