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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST AUTHOR

Regular verb: author - authored - authored


Affirmation

Simple form
I must author
you must author
she must author
we must author
you must author
they must author
V-ing form
I must be authoring
you must be authoring
she must be authoring
we must be authoring
you must be authoring
they must be authoring
Perfect
I must have authored
you must have authored
she must have authored
we must have authored
you must have authored
they must have authored
V-ing perfect
I must have been authoring
you must have been authoring
she must have been authoring
we must have been authoring
you must have been authoring
they must have been authoring

Negation

Simple form
I mustn't author
you mustn't author
she mustn't author
we mustn't author
you mustn't author
they mustn't author
V-ing form
I mustn't be authoring
you mustn't be authoring
she mustn't be authoring
we mustn't be authoring
you mustn't be authoring
they mustn't be authoring
Perfect
I mustn't have authored
you mustn't have authored
she mustn't have authored
we mustn't have authored
you mustn't have authored
they mustn't have authored
V-ing perfect
I mustn't have been authoring
you mustn't have been authoring
she mustn't have been authoring
we mustn't have been authoring
you mustn't have been authoring
they mustn't have been authoring

Interrogative form

Simple form
must I author?
must you author?
must she author?
must we author?
must you author?
must they author?
V-ing form
must I be authoring?
must you be authoring?
must she be authoring?
must we be authoring?
must you be authoring?
must they be authoring?
Perfect
must I have authored?
must you have authored?
must she have authored?
must we have authored?
must you have authored?
must they have authored?
V-ing perfect
must I have been authoring?
must you have been authoring?
must she have been authoring?
must we have been authoring?
must you have been authoring?
must they have been authoring?

Interro-negative form

Simple form
mustn't I author?
mustn't you author?
mustn't she author?
mustn't we author?
mustn't you author?
mustn't they author?
V-ing form
mustn't I be authoring?
mustn't you be authoring?
mustn't she be authoring?
mustn't we be authoring?
mustn't you be authoring?
mustn't they be authoring?
Perfect
mustn't I have authored?
mustn't you have authored?
mustn't she have authored?
mustn't we have authored?
mustn't you have authored?
mustn't they have authored?
V-ing perfect
mustn't I have been authoring?
mustn't you have been authoring?
mustn't she have been authoring?
mustn't we have been authoring?
mustn't you have been authoring?
mustn't they have been authoring?