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