I must whish you must whish he must whish we must whish you must whish they must whish
V-ing form
I must be whishing you must be whishing he must be whishing we must be whishing you must be whishing they must be whishing
Perfect
I must have whished you must have whished he must have whished we must have whished you must have whished they must have whished
V-ing perfect
I must have been whishing you must have been whishing he must have been whishing we must have been whishing you must have been whishing they must have been whishing
Negation
Simple form
I must not whish you must not whish he must not whish we must not whish you must not whish they must not whish
V-ing form
I must not be whishing you must not be whishing he must not be whishing we must not be whishing you must not be whishing they must not be whishing
Perfect
I must not have whished you must not have whished he must not have whished we must not have whished you must not have whished they must not have whished
V-ing perfect
I must not have been whishing you must not have been whishing he must not have been whishing we must not have been whishing you must not have been whishing they must not have been whishing
Interrogative form
Simple form
must I whish? must you whish? must he whish? must we whish? must you whish? must they whish?
V-ing form
must I be whishing? must you be whishing? must he be whishing? must we be whishing? must you be whishing? must they be whishing?
Perfect
must I have whished? must you have whished? must he have whished? must we have whished? must you have whished? must they have whished?
V-ing perfect
must I have been whishing? must you have been whishing? must he have been whishing? must we have been whishing? must you have been whishing? must they have been whishing?
Interro-negative form
Simple form
must I not whish? must you not whish? must he not whish? must we not whish? must you not whish? must they not whish?
V-ing form
must I not be whishing? must you not be whishing? must he not be whishing? must we not be whishing? must you not be whishing? must they not be whishing?
Perfect
must I not have whished? must you not have whished? must he not have whished? must we not have whished? must you not have whished? must they not have whished?
V-ing perfect
must I not have been whishing? must you not have been whishing? must he not have been whishing? must we not have been whishing? must you not have been whishing? must they not have been whishing?