English verb conjugation MUST GROAN

Regular verb: groan - groaned - groaned

Affirmation

Simple form

I must groan
you must groan
he must groan
we must groan
you must groan
they must groan

V-ing form

I must be groaning
you must be groaning
he must be groaning
we must be groaning
you must be groaning
they must be groaning

Perfect

I must have groaned
you must have groaned
he must have groaned
we must have groaned
you must have groaned
they must have groaned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I groan?
must you groan?
must he groan?
must we groan?
must you groan?
must they groan?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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