English verb conjugation MUST DIFFUSE

Regular verb: diffuse - diffused - diffused

Affirmation

Simple form

I must diffuse
you must diffuse
he must diffuse
we must diffuse
you must diffuse
they must diffuse

V-ing form

I must be diffusing
you must be diffusing
he must be diffusing
we must be diffusing
you must be diffusing
they must be diffusing

Perfect

I must have diffused
you must have diffused
he must have diffused
we must have diffused
you must have diffused
they must have diffused

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I diffuse?
must you diffuse?
must he diffuse?
must we diffuse?
must you diffuse?
must they diffuse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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