English verb conjugation MUST YO-YO

Regular verb: yo-yo - yo-yoed - yo-yoed

Affirmation

Simple form

I must yo-yo
you must yo-yo
he must yo-yo
we must yo-yo
you must yo-yo
they must yo-yo

V-ing form

I must be yo-yoing
you must be yo-yoing
he must be yo-yoing
we must be yo-yoing
you must be yo-yoing
they must be yo-yoing

Perfect

I must have yo-yoed
you must have yo-yoed
he must have yo-yoed
we must have yo-yoed
you must have yo-yoed
they must have yo-yoed

V-ing perfect

I must have been yo-yoing
you must have been yo-yoing
he must have been yo-yoing
we must have been yo-yoing
you must have been yo-yoing
they must have been yo-yoing

Negation

Simple form

I mustn't yo-yo
you mustn't yo-yo
he mustn't yo-yo
we mustn't yo-yo
you mustn't yo-yo
they mustn't yo-yo

V-ing form

I mustn't be yo-yoing
you mustn't be yo-yoing
he mustn't be yo-yoing
we mustn't be yo-yoing
you mustn't be yo-yoing
they mustn't be yo-yoing

Perfect

I mustn't have yo-yoed
you mustn't have yo-yoed
he mustn't have yo-yoed
we mustn't have yo-yoed
you mustn't have yo-yoed
they mustn't have yo-yoed

V-ing perfect

I mustn't have been yo-yoing
you mustn't have been yo-yoing
he mustn't have been yo-yoing
we mustn't have been yo-yoing
you mustn't have been yo-yoing
they mustn't have been yo-yoing

Interrogative form

Simple form

must I yo-yo?
must you yo-yo?
must he yo-yo?
must we yo-yo?
must you yo-yo?
must they yo-yo?

V-ing form

must I be yo-yoing?
must you be yo-yoing?
must he be yo-yoing?
must we be yo-yoing?
must you be yo-yoing?
must they be yo-yoing?

Perfect

must I have yo-yoed?
must you have yo-yoed?
must he have yo-yoed?
must we have yo-yoed?
must you have yo-yoed?
must they have yo-yoed?

V-ing perfect

must I have been yo-yoing?
must you have been yo-yoing?
must he have been yo-yoing?
must we have been yo-yoing?
must you have been yo-yoing?
must they have been yo-yoing?

Interro-negative form

Simple form

mustn't I yo-yo?
mustn't you yo-yo?
mustn't he yo-yo?
mustn't we yo-yo?
mustn't you yo-yo?
mustn't they yo-yo?

V-ing form

mustn't I be yo-yoing?
mustn't you be yo-yoing?
mustn't he be yo-yoing?
mustn't we be yo-yoing?
mustn't you be yo-yoing?
mustn't they be yo-yoing?

Perfect

mustn't I have yo-yoed?
mustn't you have yo-yoed?
mustn't he have yo-yoed?
mustn't we have yo-yoed?
mustn't you have yo-yoed?
mustn't they have yo-yoed?

V-ing perfect

mustn't I have been yo-yoing?
mustn't you have been yo-yoing?
mustn't he have been yo-yoing?
mustn't we have been yo-yoing?
mustn't you have been yo-yoing?
mustn't they have been yo-yoing?

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