\documentclass[12pt,letterpaper]{article}

\usepackage[linguex]{expex-glossonly}

\begin{document}

\ex.
\a.
	\begingl
    \gla\rightcomment{(Hungarian)}J\'anos h\'aza//
    \glb John house.his//
    \glft `John's house'//
    \endgl
\bg. János háza\\
     John house.his\\
     \glt `John's house'

\end{document}