English verb conjugation MUST SPIRE

Regular verb: spire - spired - spired

Affirmation

Simple form

I must spire
you must spire
he must spire
we must spire
you must spire
they must spire

V-ing form

I must be spiring
you must be spiring
he must be spiring
we must be spiring
you must be spiring
they must be spiring

Perfect

I must have spired
you must have spired
he must have spired
we must have spired
you must have spired
they must have spired

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I spire?
must you spire?
must he spire?
must we spire?
must you spire?
must they spire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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