English verb conjugation MUST DISCUSS

Regular verb: discuss - discussed - discussed

Affirmation

Simple form

I must discuss
you must discuss
he must discuss
we must discuss
you must discuss
they must discuss

V-ing form

I must be discussing
you must be discussing
he must be discussing
we must be discussing
you must be discussing
they must be discussing

Perfect

I must have discussed
you must have discussed
he must have discussed
we must have discussed
you must have discussed
they must have discussed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I discuss?
must you discuss?
must he discuss?
must we discuss?
must you discuss?
must they discuss?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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