English verb conjugation MUST COUNTENANCE

Regular verb: countenance - countenanced - countenanced

Affirmation

Simple form

I must countenance
you must countenance
he must countenance
we must countenance
you must countenance
they must countenance

V-ing form

I must be countenancing
you must be countenancing
he must be countenancing
we must be countenancing
you must be countenancing
they must be countenancing

Perfect

I must have countenanced
you must have countenanced
he must have countenanced
we must have countenanced
you must have countenanced
they must have countenanced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I countenance?
must you countenance?
must he countenance?
must we countenance?
must you countenance?
must they countenance?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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