English verb conjugation MUST SUNDER

Regular verb: sunder - sundered - sundered

Affirmation

Simple form

I must sunder
you must sunder
he must sunder
we must sunder
you must sunder
they must sunder

V-ing form

I must be sundering
you must be sundering
he must be sundering
we must be sundering
you must be sundering
they must be sundering

Perfect

I must have sundered
you must have sundered
he must have sundered
we must have sundered
you must have sundered
they must have sundered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sunder?
must you sunder?
must he sunder?
must we sunder?
must you sunder?
must they sunder?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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