English verb conjugation
MUST EXERT USE

Regular verb: exert use - exert used - exert used

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must exert use you must exert use he must exert use we must exert use you must exert use they must exert use	I must be exert using you must be exert using he must be exert using we must be exert using you must be exert using they must be exert using
Perfect	V-ing perfect
I must have exert used you must have exert used he must have exert used we must have exert used you must have exert used they must have exert used	I must have been exert using you must have been exert using he must have been exert using we must have been exert using you must have been exert using they must have been exert using

Negation

Simple form	V-ing form
I must not exert use you must not exert use he must not exert use we must not exert use you must not exert use they must not exert use	I must not be exert using you must not be exert using he must not be exert using we must not be exert using you must not be exert using they must not be exert using
Perfect	V-ing perfect
I must not have exert used you must not have exert used he must not have exert used we must not have exert used you must not have exert used they must not have exert used	I must not have been exert using you must not have been exert using he must not have been exert using we must not have been exert using you must not have been exert using they must not have been exert using

Interrogative form

Simple form	V-ing form
must I exert use? must you exert use? must he exert use? must we exert use? must you exert use? must they exert use?	must I be exert using? must you be exert using? must he be exert using? must we be exert using? must you be exert using? must they be exert using?
Perfect	V-ing perfect
must I have exert used? must you have exert used? must he have exert used? must we have exert used? must you have exert used? must they have exert used?	must I have been exert using? must you have been exert using? must he have been exert using? must we have been exert using? must you have been exert using? must they have been exert using?

Interro-negative form

Simple form	V-ing form
must I not exert use? must you not exert use? must he not exert use? must we not exert use? must you not exert use? must they not exert use?	must I not be exert using? must you not be exert using? must he not be exert using? must we not be exert using? must you not be exert using? must they not be exert using?
Perfect	V-ing perfect
must I not have exert used? must you not have exert used? must he not have exert used? must we not have exert used? must you not have exert used? must they not have exert used?	must I not have been exert using? must you not have been exert using? must he not have been exert using? must we not have been exert using? must you not have been exert using? must they not have been exert using?