\starttext \showframe

\startalignment[normal]
    \input ward \blank \startlinenumbering \input ward \stoplinenumbering
\stopalignment

\startalignment[flushleft]
    \input ward \blank \startlinenumbering \input ward \stoplinenumbering
\stopalignment

\startalignment[flushright]
    \input ward \blank \startlinenumbering \input ward \stoplinenumbering
\stopalignment

\page

\startalignment[righttoleft,flushleft]
    \input ward \blank \startlinenumbering \input ward \stoplinenumbering
\stopalignment

\startalignment[righttoleft,flushright]
    \input ward \blank \startlinenumbering \input ward \stoplinenumbering
\stopalignment

\startalignment[righttoleft,normal]
    \input ward \blank \startlinenumbering \input ward \stoplinenumbering
\stopalignment

\stoptext
