English verb conjugation
MUST LOG

Regular verb: log - logged - logged

Affirmation

Simple form	V-ing form
I must log you must log she must log we must log you must log they must log	I must be logging you must be logging she must be logging we must be logging you must be logging they must be logging
Perfect	V-ing perfect
I must have logged you must have logged she must have logged we must have logged you must have logged they must have logged	I must have been logging you must have been logging she must have been logging we must have been logging you must have been logging they must have been logging

Negation

Simple form	V-ing form
I must not log you must not log she must not log we must not log you must not log they must not log	I must not be logging you must not be logging she must not be logging we must not be logging you must not be logging they must not be logging
Perfect	V-ing perfect
I must not have logged you must not have logged she must not have logged we must not have logged you must not have logged they must not have logged	I must not have been logging you must not have been logging she must not have been logging we must not have been logging you must not have been logging they must not have been logging

Interrogative form

Simple form	V-ing form
must I log? must you log? must she log? must we log? must you log? must they log?	must I be logging? must you be logging? must she be logging? must we be logging? must you be logging? must they be logging?
Perfect	V-ing perfect
must I have logged? must you have logged? must she have logged? must we have logged? must you have logged? must they have logged?	must I have been logging? must you have been logging? must she have been logging? must we have been logging? must you have been logging? must they have been logging?

Interro-negative form

Simple form	V-ing form
must I not log? must you not log? must she not log? must we not log? must you not log? must they not log?	must I not be logging? must you not be logging? must she not be logging? must we not be logging? must you not be logging? must they not be logging?
Perfect	V-ing perfect
must I not have logged? must you not have logged? must she not have logged? must we not have logged? must you not have logged? must they not have logged?	must I not have been logging? must you not have been logging? must she not have been logging? must we not have been logging? must you not have been logging? must they not have been logging?