IF <BOOLEAN EXPRESSION is true>
THEN
DO <this>
ENDIF
IF <BOOLEAN EXPRESSION is true>
THEN
DO <this>
ELSE
DO <this>
ENDIF
IF <BOOLEAN EXPRESSION is true>
THEN
<do this>
ELSE
IF <BOOLEAN EXPRESSION is true>
THEN
<do this>
ELSE
ENDIF
ENDIF
CASE <boolean condition>:
<value>: <do this>
<value>:<do this>
<value>:<do this>
OTHERWISE:
<do this>
ENDCASE