It was a mistake of you not to bring your umbrella. ( should ) you..................................................................................

<div class="content-answer-1 enable-event-click" style="overflow-x:auto;text-justify:inter-word;text-align:justify"><p><em><strong>-It was a mistake of you not to bring your umbrella. ( should ).</strong></em></p><br /><p><em><strong>⇒You should bring your umbrella</strong></em></p></div><div class="pt12"><div></div></div>