English verb conjugation MUST SINTER

Regular verb: sinter - sintered - sintered

Affirmation

Simple form

I must sinter
you must sinter
he must sinter
we must sinter
you must sinter
they must sinter

V-ing form

I must be sintering
you must be sintering
he must be sintering
we must be sintering
you must be sintering
they must be sintering

Perfect

I must have sintered
you must have sintered
he must have sintered
we must have sintered
you must have sintered
they must have sintered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sinter?
must you sinter?
must he sinter?
must we sinter?
must you sinter?
must they sinter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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