English verb conjugation MUST SPOIL

Irregular verb: spoil - spoiled, spoilt - spoiled, spoilt

Affirmation

Simple form

I must spoil
you must spoil
she must spoil
we must spoil
you must spoil
they must spoil

V-ing form

I must be spoiling
you must be spoiling
she must be spoiling
we must be spoiling
you must be spoiling
they must be spoiling

Perfect

I must have spoiled, spoilt
you must have spoiled, spoilt
she must have spoiled, spoilt
we must have spoiled, spoilt
you must have spoiled, spoilt
they must have spoiled, spoilt

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

I mustn't have spoiled, spoilt
you mustn't have spoiled, spoilt
she mustn't have spoiled, spoilt
we mustn't have spoiled, spoilt
you mustn't have spoiled, spoilt
they mustn't have spoiled, spoilt

V-ing perfect

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

Interrogative form

Simple form

must I spoil?
must you spoil?
must she spoil?
must we spoil?
must you spoil?
must they spoil?

V-ing form

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

Perfect

must I have spoiled, spoilt?
must you have spoiled, spoilt?
must she have spoiled, spoilt?
must we have spoiled, spoilt?
must you have spoiled, spoilt?
must they have spoiled, spoilt?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

mustn't I have spoiled, spoilt?
mustn't you have spoiled, spoilt?
mustn't she have spoiled, spoilt?
mustn't we have spoiled, spoilt?
mustn't you have spoiled, spoilt?
mustn't they have spoiled, spoilt?

V-ing perfect

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

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