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