<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%%%------------------------------------------------------------------------------------------------------------
%%%  组合规则
\begin{minipage}[b]{0.42\textwidth}
{\small
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\begin{tabular}{l l}
{$r_1$} &amp; {NP(PN(他)) $\to$  he} \\
{$r_5$} &amp; {PP(P$_1$ NP$_2$) $\to$ P$_1$ NP$_2$} \\
{$r_6$} &amp; {VP(PP$_1$ VP$_2$) $\to$ VP$_2$ PP$_1$} \\
{$r_7$} &amp; {IP(NP$_1$ VP$_2$) $\to$ NP$_1$ VP$_2$} \\
{\red{$r_{1,7}$}} &amp; {IP(NP(PN(他)) VP$_1$) $\to$} \\
                          &amp; {he VP$_1$}\\
{\red{$r_{1,6,7}$}} &amp; {IP(NP(PN(他)) VP(PP$_1$ VP$_2$))} \\
                           &amp; {$\to$ he VP$_2$ PP$_1$}\\
{\red{$r_{1,5,6,7}$}} &amp; {IP(NP(PN(他)) } \\
                           &amp; {VP(P$_1$ NP$_2$ VP$_3$))}\\
                           &amp; {$\to$ he VP$_3$ P$_1$ NP$_2$}\\
                           &amp; \\
\end{tabular}
\renewcommand*{\arraystretch}{1.0}
}
\end{minipage}
</pre></body></html>