English verb conjugation
MUST GUEST-STAR

Regular verb: guest-star - guest-stared - guest-stared

Affirmation

Simple form	V-ing form
I must guest-star you must guest-star she must guest-star we must guest-star you must guest-star they must guest-star	I must be guest-staring you must be guest-staring she must be guest-staring we must be guest-staring you must be guest-staring they must be guest-staring
Perfect	V-ing perfect
I must have guest-stared you must have guest-stared she must have guest-stared we must have guest-stared you must have guest-stared they must have guest-stared	I must have been guest-staring you must have been guest-staring she must have been guest-staring we must have been guest-staring you must have been guest-staring they must have been guest-staring

Negation

Simple form	V-ing form
I mustn't guest-star you mustn't guest-star she mustn't guest-star we mustn't guest-star you mustn't guest-star they mustn't guest-star	I mustn't be guest-staring you mustn't be guest-staring she mustn't be guest-staring we mustn't be guest-staring you mustn't be guest-staring they mustn't be guest-staring
Perfect	V-ing perfect
I mustn't have guest-stared you mustn't have guest-stared she mustn't have guest-stared we mustn't have guest-stared you mustn't have guest-stared they mustn't have guest-stared	I mustn't have been guest-staring you mustn't have been guest-staring she mustn't have been guest-staring we mustn't have been guest-staring you mustn't have been guest-staring they mustn't have been guest-staring

Interrogative form

Simple form	V-ing form
must I guest-star? must you guest-star? must she guest-star? must we guest-star? must you guest-star? must they guest-star?	must I be guest-staring? must you be guest-staring? must she be guest-staring? must we be guest-staring? must you be guest-staring? must they be guest-staring?
Perfect	V-ing perfect
must I have guest-stared? must you have guest-stared? must she have guest-stared? must we have guest-stared? must you have guest-stared? must they have guest-stared?	must I have been guest-staring? must you have been guest-staring? must she have been guest-staring? must we have been guest-staring? must you have been guest-staring? must they have been guest-staring?

Interro-negative form

Simple form	V-ing form
mustn't I guest-star? mustn't you guest-star? mustn't she guest-star? mustn't we guest-star? mustn't you guest-star? mustn't they guest-star?	mustn't I be guest-staring? mustn't you be guest-staring? mustn't she be guest-staring? mustn't we be guest-staring? mustn't you be guest-staring? mustn't they be guest-staring?
Perfect	V-ing perfect
mustn't I have guest-stared? mustn't you have guest-stared? mustn't she have guest-stared? mustn't we have guest-stared? mustn't you have guest-stared? mustn't they have guest-stared?	mustn't I have been guest-staring? mustn't you have been guest-staring? mustn't she have been guest-staring? mustn't we have been guest-staring? mustn't you have been guest-staring? mustn't they have been guest-staring?