English verb conjugation MUST SPECIALIZE

Regular verb: specialize - specialized - specialized

Affirmation

Simple form

I must specialize
you must specialize
she must specialize
we must specialize
you must specialize
they must specialize

V-ing form

I must be specializing
you must be specializing
she must be specializing
we must be specializing
you must be specializing
they must be specializing

Perfect

I must have specialized
you must have specialized
she must have specialized
we must have specialized
you must have specialized
they must have specialized

V-ing perfect

I must have been specializing
you must have been specializing
she must have been specializing
we must have been specializing
you must have been specializing
they must have been specializing

Negation

Simple form

I mustn't specialize
you mustn't specialize
she mustn't specialize
we mustn't specialize
you mustn't specialize
they mustn't specialize

V-ing form

I mustn't be specializing
you mustn't be specializing
she mustn't be specializing
we mustn't be specializing
you mustn't be specializing
they mustn't be specializing

Perfect

I mustn't have specialized
you mustn't have specialized
she mustn't have specialized
we mustn't have specialized
you mustn't have specialized
they mustn't have specialized

V-ing perfect

I mustn't have been specializing
you mustn't have been specializing
she mustn't have been specializing
we mustn't have been specializing
you mustn't have been specializing
they mustn't have been specializing

Interrogative form

Simple form

must I specialize?
must you specialize?
must she specialize?
must we specialize?
must you specialize?
must they specialize?

V-ing form

must I be specializing?
must you be specializing?
must she be specializing?
must we be specializing?
must you be specializing?
must they be specializing?

Perfect

must I have specialized?
must you have specialized?
must she have specialized?
must we have specialized?
must you have specialized?
must they have specialized?

V-ing perfect

must I have been specializing?
must you have been specializing?
must she have been specializing?
must we have been specializing?
must you have been specializing?
must they have been specializing?

Interro-negative form

Simple form

mustn't I specialize?
mustn't you specialize?
mustn't she specialize?
mustn't we specialize?
mustn't you specialize?
mustn't they specialize?

V-ing form

mustn't I be specializing?
mustn't you be specializing?
mustn't she be specializing?
mustn't we be specializing?
mustn't you be specializing?
mustn't they be specializing?

Perfect

mustn't I have specialized?
mustn't you have specialized?
mustn't she have specialized?
mustn't we have specialized?
mustn't you have specialized?
mustn't they have specialized?

V-ing perfect

mustn't I have been specializing?
mustn't you have been specializing?
mustn't she have been specializing?
mustn't we have been specializing?
mustn't you have been specializing?
mustn't they have been specializing?

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