% tabular.tex
\documentclass[a4paper,12pt]{report}
\usepackage{fullpage}
\usepackage[ngerman]{babel}
\usepackage[applemac]{inputenc}
			
\begin{document}
\begin{tabular}{|l| |c| |c| | r|}
\hline
links & mittig & rechts & rechts\\
\hline\hline
1 & 2 & 3 & 4\\
5 & 6 & 7 & 8\\
\hline
\end{tabular}

\vspace{2cm}

\begin{tabular}{|c| |c| |c|}
\hline
Ene & \multicolumn{2}{|c|}{Mene}\\
\hline
\cline{2-3}
& Bist & Du!\\
Muh & \& & Raus\\

\hline
\end{tabular}

\vspace{2cm}
\begin{center}
\begin{tabular}{|c| |c| |c|}
\hline
Ene & \multicolumn{2}{|c|}{Mene}\\
\hline
Muh & \& & Raus\\
\cline{2-3}
& Bist & Du!\\
\hline
\end{tabular}
\end{center}
\end{document}