English verb conjugation MUST TWITTER

Regular verb: twitter - twittered - twittered

Affirmation

Simple form

I must twitter
you must twitter
he must twitter
we must twitter
you must twitter
they must twitter

V-ing form

I must be twittering
you must be twittering
he must be twittering
we must be twittering
you must be twittering
they must be twittering

Perfect

I must have twittered
you must have twittered
he must have twittered
we must have twittered
you must have twittered
they must have twittered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I twitter?
must you twitter?
must he twitter?
must we twitter?
must you twitter?
must they twitter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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