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I would like to fit multiple tree structures onto one and the same page (preferably next to each other), while also numbering them with gb4e so I can refer to them later on. Although this seems to work, I have a problem with the alignment of the gb4e numbers; for some reason they do not align properly.

I have included working code below, together with an example.

I have tried working with multicols, inserting different kinds of skips, hline, hfill, text with phantom, but nothing seems to work properly.

Any recommendation whatsoever would be really helpful!

enter image description here

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{tikz-qtree,tikz-qtree-compat}
\usepackage{gb4e}

\begin{document}
\begin{figure}[htbp]
\begin{exe}
\begin{minipage}{0.32\linewidth}
        \ex SVO
        \resizebox{\linewidth}{!}{
        \begin{tikzpicture}
            \Tree
                [.AgrSP \node(subj){Subj}; 
                    [.AgrS\1 
                        [.AgrSº \node{AgrSº};\node(verb){Vº}; ]
                        [.VP \node(subjtrace){$<$Subj$>$};
                            [.V\1 \node(verbtrace){$<$Vº$>$}; ]]]]]
        \end{tikzpicture}}
\end{minipage}
\begin{minipage}{0.32\linewidth}
        \ex VSO
        \resizebox{\linewidth}{!}{
            \begin{tikzpicture}
            \Tree
            [.CP
                [.Cº
                    [.Cº ]
                    [.AgrSº \node(agrs){AgrSº};\node(verb){Vº}; ]]      
                [.AgrSP \node(subj){Subj};
                    [.AgrS\1 \node(agrstrace){$<$AgrSº$>$}; 
                        [.VP \node(subjtrace){$<$Subj$>$};
                            [.V\1 \node(verbtrace){$<$Vº$>$}; ]]]]]
            \end{tikzpicture}}
\end{minipage}
\begin{minipage}{0.32\linewidth}
        \ex CSOV
        \resizebox{\linewidth}{!}{
            \begin{tikzpicture}
            \Tree
            [.CP
                [.Cº \node{Cº};\node{AgrSº}; ]      
                [.AgrSP \node{Subj}; 
                    [.AgrS\1 \node{<AgrSº>};  
                        [.VP \node{<Subj>}; 
                            [.V\1 \node{Vº}; ]]]]]
            \end{tikzpicture}}
\end{minipage}
\end{exe}
\end{figure}
\end{document}
1

Okay, so I solved it by using multicols together with something I found over here on centering trees with the help \hfil and on using [baseline] to keep the example numbers above the trees. This made my trees go into the margins, so I provided a \newline after each \ex and that seemed to solve that issue. I'm sure, however, that this is very rough-and-ready and that there are probably way better ways to solve this, so feel free to comment!

Updated code:

\begin{exe}
    \begin{multicols}{3}
        \ex SVO
        \newline
        \hfil
        \resizebox{\linewidth}{!}{
            \begin{tikzpicture}[baseline]
            \Tree
            [.AgrSP \node(subj){Subj}; 
                [.AgrS\1 
                    [.AgrSº \node{AgrSº};\node(verb){Vº}; ]
                    [.VP \node(subjtrace){$<$Subj$>$};
                        [.V\1 \node(verbtrace){$<$Vº$>$}; ]                         
                    ]
                ]
            ]
            \end{tikzpicture}\hfil}
        \columnbreak
        \ex VSO
        \newline
        \hfil
        \resizebox{\linewidth}{!}{
            \begin{tikzpicture}[baseline]
            \Tree
            [.CP
                [.Cº
                    [.Cº ]
                        [.AgrSº \node(agrs){AgrSº};\node(verb){Vº}; ]
                ]       
                [.AgrSP \node(subj){Subj};
                    [.AgrS\1 \node(agrstrace){$<$AgrSº$>$}; 
                        [.VP \node(subjtrace){$<$Subj$>$};
                            [.V\1 \node(verbtrace){$<$Vº$>$}; ]
                        ]
                    ]
                ]
            ]
            \end{tikzpicture}
            \hfil}
        \columnbreak
        \ex CSOV
        \newline
        \hfil
        \resizebox{\linewidth}{!}{
            \begin{tikzpicture}[baseline]
            \Tree
            [.CP
                [.Cº \node{Cº};\node{AgrSº}; ]      
                [.AgrSP \node{Subj}; 
                    [.AgrS\1 \node{<AgrSº>};  
                        [.VP \node{<Subj>}; 
                            [.V\1 \node{Vº}; ]
                        ]
                    ]
                ]
            ]
            \end{tikzpicture}
            \hfil}
    \end{multicols}
\end{exe}

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