English verb conjugation
MUST SELLOTAPE

Regular verb: sellotape - sellotaped - sellotaped

Affirmation

Simple form	V-ing form
I must sellotape you must sellotape he must sellotape we must sellotape you must sellotape they must sellotape	I must be sellotaping you must be sellotaping he must be sellotaping we must be sellotaping you must be sellotaping they must be sellotaping
Perfect	V-ing perfect
I must have sellotaped you must have sellotaped he must have sellotaped we must have sellotaped you must have sellotaped they must have sellotaped	I must have been sellotaping you must have been sellotaping he must have been sellotaping we must have been sellotaping you must have been sellotaping they must have been sellotaping

Negation

Simple form	V-ing form
I mustn't sellotape you mustn't sellotape he mustn't sellotape we mustn't sellotape you mustn't sellotape they mustn't sellotape	I mustn't be sellotaping you mustn't be sellotaping he mustn't be sellotaping we mustn't be sellotaping you mustn't be sellotaping they mustn't be sellotaping
Perfect	V-ing perfect
I mustn't have sellotaped you mustn't have sellotaped he mustn't have sellotaped we mustn't have sellotaped you mustn't have sellotaped they mustn't have sellotaped	I mustn't have been sellotaping you mustn't have been sellotaping he mustn't have been sellotaping we mustn't have been sellotaping you mustn't have been sellotaping they mustn't have been sellotaping

Interrogative form

Simple form	V-ing form
must I sellotape? must you sellotape? must he sellotape? must we sellotape? must you sellotape? must they sellotape?	must I be sellotaping? must you be sellotaping? must he be sellotaping? must we be sellotaping? must you be sellotaping? must they be sellotaping?
Perfect	V-ing perfect
must I have sellotaped? must you have sellotaped? must he have sellotaped? must we have sellotaped? must you have sellotaped? must they have sellotaped?	must I have been sellotaping? must you have been sellotaping? must he have been sellotaping? must we have been sellotaping? must you have been sellotaping? must they have been sellotaping?

Interro-negative form

Simple form	V-ing form
mustn't I sellotape? mustn't you sellotape? mustn't he sellotape? mustn't we sellotape? mustn't you sellotape? mustn't they sellotape?	mustn't I be sellotaping? mustn't you be sellotaping? mustn't he be sellotaping? mustn't we be sellotaping? mustn't you be sellotaping? mustn't they be sellotaping?
Perfect	V-ing perfect
mustn't I have sellotaped? mustn't you have sellotaped? mustn't he have sellotaped? mustn't we have sellotaped? mustn't you have sellotaped? mustn't they have sellotaped?	mustn't I have been sellotaping? mustn't you have been sellotaping? mustn't he have been sellotaping? mustn't we have been sellotaping? mustn't you have been sellotaping? mustn't they have been sellotaping?