Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must amend amend you must amend amend he must amend amend we must amend amend you must amend amend they must amend amend
V-ing form
I must be amend amending you must be amend amending he must be amend amending we must be amend amending you must be amend amending they must be amend amending
Perfect
I must have amend amended you must have amend amended he must have amend amended we must have amend amended you must have amend amended they must have amend amended
V-ing perfect
I must have been amend amending you must have been amend amending he must have been amend amending we must have been amend amending you must have been amend amending they must have been amend amending
Negation
Simple form
I must not amend amend you must not amend amend he must not amend amend we must not amend amend you must not amend amend they must not amend amend
V-ing form
I must not be amend amending you must not be amend amending he must not be amend amending we must not be amend amending you must not be amend amending they must not be amend amending
Perfect
I must not have amend amended you must not have amend amended he must not have amend amended we must not have amend amended you must not have amend amended they must not have amend amended
V-ing perfect
I must not have been amend amending you must not have been amend amending he must not have been amend amending we must not have been amend amending you must not have been amend amending they must not have been amend amending
Interrogative form
Simple form
must I amend amend? must you amend amend? must he amend amend? must we amend amend? must you amend amend? must they amend amend?
V-ing form
must I be amend amending? must you be amend amending? must he be amend amending? must we be amend amending? must you be amend amending? must they be amend amending?
Perfect
must I have amend amended? must you have amend amended? must he have amend amended? must we have amend amended? must you have amend amended? must they have amend amended?
V-ing perfect
must I have been amend amending? must you have been amend amending? must he have been amend amending? must we have been amend amending? must you have been amend amending? must they have been amend amending?
Interro-negative form
Simple form
must I not amend amend? must you not amend amend? must he not amend amend? must we not amend amend? must you not amend amend? must they not amend amend?
V-ing form
must I not be amend amending? must you not be amend amending? must he not be amend amending? must we not be amend amending? must you not be amend amending? must they not be amend amending?
Perfect
must I not have amend amended? must you not have amend amended? must he not have amend amended? must we not have amend amended? must you not have amend amended? must they not have amend amended?
V-ing perfect
must I not have been amend amending? must you not have been amend amending? must he not have been amend amending? must we not have been amend amending? must you not have been amend amending? must they not have been amend amending?