I must fancy you must fancy he must fancy we must fancy you must fancy they must fancy
V-ing form
I must be fancying you must be fancying he must be fancying we must be fancying you must be fancying they must be fancying
Perfect
I must have fancied you must have fancied he must have fancied we must have fancied you must have fancied they must have fancied
V-ing perfect
I must have been fancying you must have been fancying he must have been fancying we must have been fancying you must have been fancying they must have been fancying
Negation
Simple form
I must not fancy you must not fancy he must not fancy we must not fancy you must not fancy they must not fancy
V-ing form
I must not be fancying you must not be fancying he must not be fancying we must not be fancying you must not be fancying they must not be fancying
Perfect
I must not have fancied you must not have fancied he must not have fancied we must not have fancied you must not have fancied they must not have fancied
V-ing perfect
I must not have been fancying you must not have been fancying he must not have been fancying we must not have been fancying you must not have been fancying they must not have been fancying
Interrogative form
Simple form
must I fancy? must you fancy? must he fancy? must we fancy? must you fancy? must they fancy?
V-ing form
must I be fancying? must you be fancying? must he be fancying? must we be fancying? must you be fancying? must they be fancying?
Perfect
must I have fancied? must you have fancied? must he have fancied? must we have fancied? must you have fancied? must they have fancied?
V-ing perfect
must I have been fancying? must you have been fancying? must he have been fancying? must we have been fancying? must you have been fancying? must they have been fancying?
Interro-negative form
Simple form
must I not fancy? must you not fancy? must he not fancy? must we not fancy? must you not fancy? must they not fancy?
V-ing form
must I not be fancying? must you not be fancying? must he not be fancying? must we not be fancying? must you not be fancying? must they not be fancying?
Perfect
must I not have fancied? must you not have fancied? must he not have fancied? must we not have fancied? must you not have fancied? must they not have fancied?
V-ing perfect
must I not have been fancying? must you not have been fancying? must he not have been fancying? must we not have been fancying? must you not have been fancying? must they not have been fancying?