English verb conjugation
MUST MURMUR

Regular verb: murmur - murmured - murmured

Affirmation

Simple form	V-ing form
I must murmur you must murmur he must murmur we must murmur you must murmur they must murmur	I must be murmuring you must be murmuring he must be murmuring we must be murmuring you must be murmuring they must be murmuring
Perfect	V-ing perfect
I must have murmured you must have murmured he must have murmured we must have murmured you must have murmured they must have murmured	I must have been murmuring you must have been murmuring he must have been murmuring we must have been murmuring you must have been murmuring they must have been murmuring

Negation

Simple form	V-ing form
I must not murmur you must not murmur he must not murmur we must not murmur you must not murmur they must not murmur	I must not be murmuring you must not be murmuring he must not be murmuring we must not be murmuring you must not be murmuring they must not be murmuring
Perfect	V-ing perfect
I must not have murmured you must not have murmured he must not have murmured we must not have murmured you must not have murmured they must not have murmured	I must not have been murmuring you must not have been murmuring he must not have been murmuring we must not have been murmuring you must not have been murmuring they must not have been murmuring

Interrogative form

Simple form	V-ing form
must I murmur? must you murmur? must he murmur? must we murmur? must you murmur? must they murmur?	must I be murmuring? must you be murmuring? must he be murmuring? must we be murmuring? must you be murmuring? must they be murmuring?
Perfect	V-ing perfect
must I have murmured? must you have murmured? must he have murmured? must we have murmured? must you have murmured? must they have murmured?	must I have been murmuring? must you have been murmuring? must he have been murmuring? must we have been murmuring? must you have been murmuring? must they have been murmuring?

Interro-negative form

Simple form	V-ing form
must I not murmur? must you not murmur? must he not murmur? must we not murmur? must you not murmur? must they not murmur?	must I not be murmuring? must you not be murmuring? must he not be murmuring? must we not be murmuring? must you not be murmuring? must they not be murmuring?
Perfect	V-ing perfect
must I not have murmured? must you not have murmured? must he not have murmured? must we not have murmured? must you not have murmured? must they not have murmured?	must I not have been murmuring? must you not have been murmuring? must he not have been murmuring? must we not have been murmuring? must you not have been murmuring? must they not have been murmuring?