English verb conjugation MUST DESCRIBE

Regular verb: describe - described - described

Affirmation

Simple form

I must describe
you must describe
she must describe
we must describe
you must describe
they must describe

V-ing form

I must be describing
you must be describing
she must be describing
we must be describing
you must be describing
they must be describing

Perfect

I must have described
you must have described
she must have described
we must have described
you must have described
they must have described

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I describe?
must you describe?
must she describe?
must we describe?
must you describe?
must they describe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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