English verb conjugation MUST SPUTTER

Regular verb: sputter - sputtered - sputtered

Affirmation

Simple form

I must sputter
you must sputter
he must sputter
we must sputter
you must sputter
they must sputter

V-ing form

I must be sputtering
you must be sputtering
he must be sputtering
we must be sputtering
you must be sputtering
they must be sputtering

Perfect

I must have sputtered
you must have sputtered
he must have sputtered
we must have sputtered
you must have sputtered
they must have sputtered

V-ing perfect

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

Negation

Simple form

I must not sputter
you must not sputter
he must not sputter
we must not sputter
you must not sputter
they must not sputter

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sputter?
must you sputter?
must he sputter?
must we sputter?
must you sputter?
must they sputter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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