English verb conjugation
MUST SEMAPHORE

Regular verb: semaphore - semaphored - semaphored

Affirmation

Simple form	V-ing form
I must semaphore you must semaphore she must semaphore we must semaphore you must semaphore they must semaphore	I must be semaphoring you must be semaphoring she must be semaphoring we must be semaphoring you must be semaphoring they must be semaphoring
Perfect	V-ing perfect
I must have semaphored you must have semaphored she must have semaphored we must have semaphored you must have semaphored they must have semaphored	I must have been semaphoring you must have been semaphoring she must have been semaphoring we must have been semaphoring you must have been semaphoring they must have been semaphoring

Negation

Simple form	V-ing form
I mustn't semaphore you mustn't semaphore she mustn't semaphore we mustn't semaphore you mustn't semaphore they mustn't semaphore	I mustn't be semaphoring you mustn't be semaphoring she mustn't be semaphoring we mustn't be semaphoring you mustn't be semaphoring they mustn't be semaphoring
Perfect	V-ing perfect
I mustn't have semaphored you mustn't have semaphored she mustn't have semaphored we mustn't have semaphored you mustn't have semaphored they mustn't have semaphored	I mustn't have been semaphoring you mustn't have been semaphoring she mustn't have been semaphoring we mustn't have been semaphoring you mustn't have been semaphoring they mustn't have been semaphoring

Interrogative form

Simple form	V-ing form
must I semaphore? must you semaphore? must she semaphore? must we semaphore? must you semaphore? must they semaphore?	must I be semaphoring? must you be semaphoring? must she be semaphoring? must we be semaphoring? must you be semaphoring? must they be semaphoring?
Perfect	V-ing perfect
must I have semaphored? must you have semaphored? must she have semaphored? must we have semaphored? must you have semaphored? must they have semaphored?	must I have been semaphoring? must you have been semaphoring? must she have been semaphoring? must we have been semaphoring? must you have been semaphoring? must they have been semaphoring?

Interro-negative form

Simple form	V-ing form
mustn't I semaphore? mustn't you semaphore? mustn't she semaphore? mustn't we semaphore? mustn't you semaphore? mustn't they semaphore?	mustn't I be semaphoring? mustn't you be semaphoring? mustn't she be semaphoring? mustn't we be semaphoring? mustn't you be semaphoring? mustn't they be semaphoring?
Perfect	V-ing perfect
mustn't I have semaphored? mustn't you have semaphored? mustn't she have semaphored? mustn't we have semaphored? mustn't you have semaphored? mustn't they have semaphored?	mustn't I have been semaphoring? mustn't you have been semaphoring? mustn't she have been semaphoring? mustn't we have been semaphoring? mustn't you have been semaphoring? mustn't they have been semaphoring?