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