Let's fill in the missing comparative forms in the table step-by-step based on commonly known rules of English grammar for forming comparatives.
1. Small:
- Rule: ER
- Comparative Form: Smaller
2. Cold:
- Rule: ER
- Comparative Form: Colder
3. Hot:
- Rule: ER
- Comparative Form: Hotter
4. Interesting:
- Rule: MORE
- Comparative Form: More interesting
5. Young:
- Rule: ER
- Comparative Form: Younger
6. Old:
- Rule: ER
- Comparative Form: Older
7. Beautiful:
- Rule: MORE
- Comparative Form: More beautiful
8. Intelligent:
- Rule: MORE
- Comparative Form: More intelligent
9. Short:
- Rule: ER
- Comparative Form: Shorter
10. Weak:
- Rule: ER
- Comparative Form: Weaker
11. Slow:
- Rule: ER
- Comparative Form: Slower
With the rules and comparative forms filled in, the completed table looks like this:
[tex]\[
\begin{tabular}{|c|c|c|c|c|c|}
\hline Adjective & ER & $R$ & \begin{tabular}{l}
Remove Y \\
and Add IER
\end{tabular} & MORE & Comparative form \\
\hline Happy & ER & $R$ & IER & MORE & Happier \\
\hline Big & ER & $R$ & IER & MORE & Bigger \\
\hline Small & ER & $R$ & IER & MORE & Smaller \\
\hline Cold & $ER$ & $R$ & IER & MORE & Colder \\
\hline Hot & ER & $R$ & IER & MORE & Hotter \\
\hline Interesting & ER & $R$ & IER & MORE & More interesting \\
\hline Young & ER & $R$ & IER & MORE & Younger \\
\hline Old & ER & $R$ & IER & MORE & Older \\
\hline Beautiful & ER & $R$ & IER & MORE & More beautiful \\
\hline Intelligent & ER & $R$ & IER & MORE & More intelligent \\
\hline Short & $ER$ & $R$ & IER & MORE & Shorter \\
\hline Weak & ER & $R$ & IER & MORE & Weaker \\
\hline Slow & ER & $R$ & IER & MORE & Slower \\
\hline
\end{tabular}
\][/tex]
