English verb conjugation MUST GRAMMAR

Regular verb: grammar - grammared - grammared

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I must grammar
you must grammar
she must grammar
we must grammar
you must grammar
they must grammar

V-ing form

I must be grammaring
you must be grammaring
she must be grammaring
we must be grammaring
you must be grammaring
they must be grammaring

Perfect

I must have grammared
you must have grammared
she must have grammared
we must have grammared
you must have grammared
they must have grammared

V-ing perfect

I must have been grammaring
you must have been grammaring
she must have been grammaring
we must have been grammaring
you must have been grammaring
they must have been grammaring

Negation

Simple form

I mustn't grammar
you mustn't grammar
she mustn't grammar
we mustn't grammar
you mustn't grammar
they mustn't grammar

V-ing form

I mustn't be grammaring
you mustn't be grammaring
she mustn't be grammaring
we mustn't be grammaring
you mustn't be grammaring
they mustn't be grammaring

Perfect

I mustn't have grammared
you mustn't have grammared
she mustn't have grammared
we mustn't have grammared
you mustn't have grammared
they mustn't have grammared

V-ing perfect

I mustn't have been grammaring
you mustn't have been grammaring
she mustn't have been grammaring
we mustn't have been grammaring
you mustn't have been grammaring
they mustn't have been grammaring

Interrogative form

Simple form

must I grammar?
must you grammar?
must she grammar?
must we grammar?
must you grammar?
must they grammar?

V-ing form

must I be grammaring?
must you be grammaring?
must she be grammaring?
must we be grammaring?
must you be grammaring?
must they be grammaring?

Perfect

must I have grammared?
must you have grammared?
must she have grammared?
must we have grammared?
must you have grammared?
must they have grammared?

V-ing perfect

must I have been grammaring?
must you have been grammaring?
must she have been grammaring?
must we have been grammaring?
must you have been grammaring?
must they have been grammaring?

Interro-negative form

Simple form

mustn't I grammar?
mustn't you grammar?
mustn't she grammar?
mustn't we grammar?
mustn't you grammar?
mustn't they grammar?

V-ing form

mustn't I be grammaring?
mustn't you be grammaring?
mustn't she be grammaring?
mustn't we be grammaring?
mustn't you be grammaring?
mustn't they be grammaring?

Perfect

mustn't I have grammared?
mustn't you have grammared?
mustn't she have grammared?
mustn't we have grammared?
mustn't you have grammared?
mustn't they have grammared?

V-ing perfect

mustn't I have been grammaring?
mustn't you have been grammaring?
mustn't she have been grammaring?
mustn't we have been grammaring?
mustn't you have been grammaring?
mustn't they have been grammaring?

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