Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must spend pass you must spend pass she must spend pass we must spend pass you must spend pass they must spend pass
V-ing form
I must be spend passing you must be spend passing she must be spend passing we must be spend passing you must be spend passing they must be spend passing
Perfect
I must have spend passed you must have spend passed she must have spend passed we must have spend passed you must have spend passed they must have spend passed
V-ing perfect
I must have been spend passing you must have been spend passing she must have been spend passing we must have been spend passing you must have been spend passing they must have been spend passing
Negation
Simple form
I must not spend pass you must not spend pass she must not spend pass we must not spend pass you must not spend pass they must not spend pass
V-ing form
I must not be spend passing you must not be spend passing she must not be spend passing we must not be spend passing you must not be spend passing they must not be spend passing
Perfect
I must not have spend passed you must not have spend passed she must not have spend passed we must not have spend passed you must not have spend passed they must not have spend passed
V-ing perfect
I must not have been spend passing you must not have been spend passing she must not have been spend passing we must not have been spend passing you must not have been spend passing they must not have been spend passing
Interrogative form
Simple form
must I spend pass? must you spend pass? must she spend pass? must we spend pass? must you spend pass? must they spend pass?
V-ing form
must I be spend passing? must you be spend passing? must she be spend passing? must we be spend passing? must you be spend passing? must they be spend passing?
Perfect
must I have spend passed? must you have spend passed? must she have spend passed? must we have spend passed? must you have spend passed? must they have spend passed?
V-ing perfect
must I have been spend passing? must you have been spend passing? must she have been spend passing? must we have been spend passing? must you have been spend passing? must they have been spend passing?
Interro-negative form
Simple form
must I not spend pass? must you not spend pass? must she not spend pass? must we not spend pass? must you not spend pass? must they not spend pass?
V-ing form
must I not be spend passing? must you not be spend passing? must she not be spend passing? must we not be spend passing? must you not be spend passing? must they not be spend passing?
Perfect
must I not have spend passed? must you not have spend passed? must she not have spend passed? must we not have spend passed? must you not have spend passed? must they not have spend passed?
V-ing perfect
must I not have been spend passing? must you not have been spend passing? must she not have been spend passing? must we not have been spend passing? must you not have been spend passing? must they not have been spend passing?