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