\textbf{44-- Identify the \underline{error} regarding the \underline{verbs} (Al-Af'al Al-Mu'allalah):}
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\noindent 1) The doctors prescribe medicines for the patients to cure them! \hfill 2) The elderly men were unable to walk on their feet!
\noindent 3) Do not sell your time cheaply; O my dear daughter! \hfill 4) Lest these researchers fail to reach their scientific goals!
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\noindent