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