I must booze you must booze he must booze we must booze you must booze they must booze
V-ing form
I must be boozing you must be boozing he must be boozing we must be boozing you must be boozing they must be boozing
Perfect
I must have boozed you must have boozed he must have boozed we must have boozed you must have boozed they must have boozed
V-ing perfect
I must have been boozing you must have been boozing he must have been boozing we must have been boozing you must have been boozing they must have been boozing
Negation
Simple form
I must not booze you must not booze he must not booze we must not booze you must not booze they must not booze
V-ing form
I must not be boozing you must not be boozing he must not be boozing we must not be boozing you must not be boozing they must not be boozing
Perfect
I must not have boozed you must not have boozed he must not have boozed we must not have boozed you must not have boozed they must not have boozed
V-ing perfect
I must not have been boozing you must not have been boozing he must not have been boozing we must not have been boozing you must not have been boozing they must not have been boozing
Interrogative form
Simple form
must I booze? must you booze? must he booze? must we booze? must you booze? must they booze?
V-ing form
must I be boozing? must you be boozing? must he be boozing? must we be boozing? must you be boozing? must they be boozing?
Perfect
must I have boozed? must you have boozed? must he have boozed? must we have boozed? must you have boozed? must they have boozed?
V-ing perfect
must I have been boozing? must you have been boozing? must he have been boozing? must we have been boozing? must you have been boozing? must they have been boozing?
Interro-negative form
Simple form
must I not booze? must you not booze? must he not booze? must we not booze? must you not booze? must they not booze?
V-ing form
must I not be boozing? must you not be boozing? must he not be boozing? must we not be boozing? must you not be boozing? must they not be boozing?
Perfect
must I not have boozed? must you not have boozed? must he not have boozed? must we not have boozed? must you not have boozed? must they not have boozed?
V-ing perfect
must I not have been boozing? must you not have been boozing? must he not have been boozing? must we not have been boozing? must you not have been boozing? must they not have been boozing?