English verb conjugation MUST SPARE

Regular verb: spare - spared - spared

Affirmation

Simple form

I must spare
you must spare
she must spare
we must spare
you must spare
they must spare

V-ing form

I must be sparing
you must be sparing
she must be sparing
we must be sparing
you must be sparing
they must be sparing

Perfect

I must have spared
you must have spared
she must have spared
we must have spared
you must have spared
they must have spared

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I spare?
must you spare?
must she spare?
must we spare?
must you spare?
must they spare?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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