English verb conjugation MUST SPEAK

Irregular verb: speak - spoke - spoken, spoke

Affirmation

Simple form

I must speak
you must speak
he must speak
we must speak
you must speak
they must speak

V-ing form

I must be speaking
you must be speaking
he must be speaking
we must be speaking
you must be speaking
they must be speaking

Perfect

I must have spoken, spoke
you must have spoken, spoke
he must have spoken, spoke
we must have spoken, spoke
you must have spoken, spoke
they must have spoken, spoke

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

I mustn't have spoken, spoke
you mustn't have spoken, spoke
he mustn't have spoken, spoke
we mustn't have spoken, spoke
you mustn't have spoken, spoke
they mustn't have spoken, spoke

V-ing perfect

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

Interrogative form

Simple form

must I speak?
must you speak?
must he speak?
must we speak?
must you speak?
must they speak?

V-ing form

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

Perfect

must I have spoken, spoke?
must you have spoken, spoke?
must he have spoken, spoke?
must we have spoken, spoke?
must you have spoken, spoke?
must they have spoken, spoke?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

mustn't I have spoken, spoke?
mustn't you have spoken, spoke?
mustn't he have spoken, spoke?
mustn't we have spoken, spoke?
mustn't you have spoken, spoke?
mustn't they have spoken, spoke?

V-ing perfect

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

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