English verb conjugation MUST INVIGILATE

Regular verb: invigilate - invigilated - invigilated

Affirmation

Simple form

I must invigilate
you must invigilate
he must invigilate
we must invigilate
you must invigilate
they must invigilate

V-ing form

I must be invigilating
you must be invigilating
he must be invigilating
we must be invigilating
you must be invigilating
they must be invigilating

Perfect

I must have invigilated
you must have invigilated
he must have invigilated
we must have invigilated
you must have invigilated
they must have invigilated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I invigilate?
must you invigilate?
must he invigilate?
must we invigilate?
must you invigilate?
must they invigilate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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