English verb conjugation
MUST FAULT

Regular verb: fault - faulted - faulted

Affirmation

Simple form	V-ing form
I must fault you must fault he must fault we must fault you must fault they must fault	I must be faulting you must be faulting he must be faulting we must be faulting you must be faulting they must be faulting
Perfect	V-ing perfect
I must have faulted you must have faulted he must have faulted we must have faulted you must have faulted they must have faulted	I must have been faulting you must have been faulting he must have been faulting we must have been faulting you must have been faulting they must have been faulting

Negation

Simple form	V-ing form
I must not fault you must not fault he must not fault we must not fault you must not fault they must not fault	I must not be faulting you must not be faulting he must not be faulting we must not be faulting you must not be faulting they must not be faulting
Perfect	V-ing perfect
I must not have faulted you must not have faulted he must not have faulted we must not have faulted you must not have faulted they must not have faulted	I must not have been faulting you must not have been faulting he must not have been faulting we must not have been faulting you must not have been faulting they must not have been faulting

Interrogative form

Simple form	V-ing form
must I fault? must you fault? must he fault? must we fault? must you fault? must they fault?	must I be faulting? must you be faulting? must he be faulting? must we be faulting? must you be faulting? must they be faulting?
Perfect	V-ing perfect
must I have faulted? must you have faulted? must he have faulted? must we have faulted? must you have faulted? must they have faulted?	must I have been faulting? must you have been faulting? must he have been faulting? must we have been faulting? must you have been faulting? must they have been faulting?

Interro-negative form

Simple form	V-ing form
must I not fault? must you not fault? must he not fault? must we not fault? must you not fault? must they not fault?	must I not be faulting? must you not be faulting? must he not be faulting? must we not be faulting? must you not be faulting? must they not be faulting?
Perfect	V-ing perfect
must I not have faulted? must you not have faulted? must he not have faulted? must we not have faulted? must you not have faulted? must they not have faulted?	must I not have been faulting? must you not have been faulting? must he not have been faulting? must we not have been faulting? must you not have been faulting? must they not have been faulting?