English verb conjugation MUST OUTSING

Irregular verb: outsing - outsang - outsung

Affirmation

Simple form

I must outsing
you must outsing
he must outsing
we must outsing
you must outsing
they must outsing

V-ing form

I must be outsinging
you must be outsinging
he must be outsinging
we must be outsinging
you must be outsinging
they must be outsinging

Perfect

I must have outsung
you must have outsung
he must have outsung
we must have outsung
you must have outsung
they must have outsung

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I outsing?
must you outsing?
must he outsing?
must we outsing?
must you outsing?
must they outsing?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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