English verb conjugation MUST ICE-SKATE

Regular verb: ice-skate - ice-skated - ice-skated

Affirmation

Simple form

I must ice-skate
you must ice-skate
she must ice-skate
we must ice-skate
you must ice-skate
they must ice-skate

V-ing form

I must be ice-skating
you must be ice-skating
she must be ice-skating
we must be ice-skating
you must be ice-skating
they must be ice-skating

Perfect

I must have ice-skated
you must have ice-skated
she must have ice-skated
we must have ice-skated
you must have ice-skated
they must have ice-skated

V-ing perfect

I must have been ice-skating
you must have been ice-skating
she must have been ice-skating
we must have been ice-skating
you must have been ice-skating
they must have been ice-skating

Negation

Simple form

I mustn't ice-skate
you mustn't ice-skate
she mustn't ice-skate
we mustn't ice-skate
you mustn't ice-skate
they mustn't ice-skate

V-ing form

I mustn't be ice-skating
you mustn't be ice-skating
she mustn't be ice-skating
we mustn't be ice-skating
you mustn't be ice-skating
they mustn't be ice-skating

Perfect

I mustn't have ice-skated
you mustn't have ice-skated
she mustn't have ice-skated
we mustn't have ice-skated
you mustn't have ice-skated
they mustn't have ice-skated

V-ing perfect

I mustn't have been ice-skating
you mustn't have been ice-skating
she mustn't have been ice-skating
we mustn't have been ice-skating
you mustn't have been ice-skating
they mustn't have been ice-skating

Interrogative form

Simple form

must I ice-skate?
must you ice-skate?
must she ice-skate?
must we ice-skate?
must you ice-skate?
must they ice-skate?

V-ing form

must I be ice-skating?
must you be ice-skating?
must she be ice-skating?
must we be ice-skating?
must you be ice-skating?
must they be ice-skating?

Perfect

must I have ice-skated?
must you have ice-skated?
must she have ice-skated?
must we have ice-skated?
must you have ice-skated?
must they have ice-skated?

V-ing perfect

must I have been ice-skating?
must you have been ice-skating?
must she have been ice-skating?
must we have been ice-skating?
must you have been ice-skating?
must they have been ice-skating?

Interro-negative form

Simple form

mustn't I ice-skate?
mustn't you ice-skate?
mustn't she ice-skate?
mustn't we ice-skate?
mustn't you ice-skate?
mustn't they ice-skate?

V-ing form

mustn't I be ice-skating?
mustn't you be ice-skating?
mustn't she be ice-skating?
mustn't we be ice-skating?
mustn't you be ice-skating?
mustn't they be ice-skating?

Perfect

mustn't I have ice-skated?
mustn't you have ice-skated?
mustn't she have ice-skated?
mustn't we have ice-skated?
mustn't you have ice-skated?
mustn't they have ice-skated?

V-ing perfect

mustn't I have been ice-skating?
mustn't you have been ice-skating?
mustn't she have been ice-skating?
mustn't we have been ice-skating?
mustn't you have been ice-skating?
mustn't they have been ice-skating?

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