English verb conjugation MUST SKIDOO

Regular verb: skidoo - skidooed - skidooed

Affirmation

Simple form

I must skidoo
you must skidoo
he must skidoo
we must skidoo
you must skidoo
they must skidoo

V-ing form

I must be skidooing
you must be skidooing
he must be skidooing
we must be skidooing
you must be skidooing
they must be skidooing

Perfect

I must have skidooed
you must have skidooed
he must have skidooed
we must have skidooed
you must have skidooed
they must have skidooed

V-ing perfect

I must have been skidooing
you must have been skidooing
he must have been skidooing
we must have been skidooing
you must have been skidooing
they must have been skidooing

Negation

Simple form

I mustn't skidoo
you mustn't skidoo
he mustn't skidoo
we mustn't skidoo
you mustn't skidoo
they mustn't skidoo

V-ing form

I mustn't be skidooing
you mustn't be skidooing
he mustn't be skidooing
we mustn't be skidooing
you mustn't be skidooing
they mustn't be skidooing

Perfect

I mustn't have skidooed
you mustn't have skidooed
he mustn't have skidooed
we mustn't have skidooed
you mustn't have skidooed
they mustn't have skidooed

V-ing perfect

I mustn't have been skidooing
you mustn't have been skidooing
he mustn't have been skidooing
we mustn't have been skidooing
you mustn't have been skidooing
they mustn't have been skidooing

Interrogative form

Simple form

must I skidoo?
must you skidoo?
must he skidoo?
must we skidoo?
must you skidoo?
must they skidoo?

V-ing form

must I be skidooing?
must you be skidooing?
must he be skidooing?
must we be skidooing?
must you be skidooing?
must they be skidooing?

Perfect

must I have skidooed?
must you have skidooed?
must he have skidooed?
must we have skidooed?
must you have skidooed?
must they have skidooed?

V-ing perfect

must I have been skidooing?
must you have been skidooing?
must he have been skidooing?
must we have been skidooing?
must you have been skidooing?
must they have been skidooing?

Interro-negative form

Simple form

mustn't I skidoo?
mustn't you skidoo?
mustn't he skidoo?
mustn't we skidoo?
mustn't you skidoo?
mustn't they skidoo?

V-ing form

mustn't I be skidooing?
mustn't you be skidooing?
mustn't he be skidooing?
mustn't we be skidooing?
mustn't you be skidooing?
mustn't they be skidooing?

Perfect

mustn't I have skidooed?
mustn't you have skidooed?
mustn't he have skidooed?
mustn't we have skidooed?
mustn't you have skidooed?
mustn't they have skidooed?

V-ing perfect

mustn't I have been skidooing?
mustn't you have been skidooing?
mustn't he have been skidooing?
mustn't we have been skidooing?
mustn't you have been skidooing?
mustn't they have been skidooing?

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