English verb conjugation MUST SKY

Regular verb: sky - skied - skied

Affirmation

Simple form

I must sky
you must sky
she must sky
we must sky
you must sky
they must sky

V-ing form

I must be skying
you must be skying
she must be skying
we must be skying
you must be skying
they must be skying

Perfect

I must have skied
you must have skied
she must have skied
we must have skied
you must have skied
they must have skied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sky?
must you sky?
must she sky?
must we sky?
must you sky?
must they sky?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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