English verb conjugation
MUST REPAIR

Regular verb: repair - repaired - repaired

Affirmation

Simple form	V-ing form
I must repair you must repair he must repair we must repair you must repair they must repair	I must be repairing you must be repairing he must be repairing we must be repairing you must be repairing they must be repairing
Perfect	V-ing perfect
I must have repaired you must have repaired he must have repaired we must have repaired you must have repaired they must have repaired	I must have been repairing you must have been repairing he must have been repairing we must have been repairing you must have been repairing they must have been repairing

Negation

Simple form	V-ing form
I must not repair you must not repair he must not repair we must not repair you must not repair they must not repair	I must not be repairing you must not be repairing he must not be repairing we must not be repairing you must not be repairing they must not be repairing
Perfect	V-ing perfect
I must not have repaired you must not have repaired he must not have repaired we must not have repaired you must not have repaired they must not have repaired	I must not have been repairing you must not have been repairing he must not have been repairing we must not have been repairing you must not have been repairing they must not have been repairing

Interrogative form

Simple form	V-ing form
must I repair? must you repair? must he repair? must we repair? must you repair? must they repair?	must I be repairing? must you be repairing? must he be repairing? must we be repairing? must you be repairing? must they be repairing?
Perfect	V-ing perfect
must I have repaired? must you have repaired? must he have repaired? must we have repaired? must you have repaired? must they have repaired?	must I have been repairing? must you have been repairing? must he have been repairing? must we have been repairing? must you have been repairing? must they have been repairing?

Interro-negative form

Simple form	V-ing form
must I not repair? must you not repair? must he not repair? must we not repair? must you not repair? must they not repair?	must I not be repairing? must you not be repairing? must he not be repairing? must we not be repairing? must you not be repairing? must they not be repairing?
Perfect	V-ing perfect
must I not have repaired? must you not have repaired? must he not have repaired? must we not have repaired? must you not have repaired? must they not have repaired?	must I not have been repairing? must you not have been repairing? must he not have been repairing? must we not have been repairing? must you not have been repairing? must they not have been repairing?