After some initial negative expressions, including Never and Rarely, put the auxiliary before the subject. This is more formal or emphatic than ordinary word order.
Practical examples
Never have I seen such a clear explanation.
لم أرَ قط شرحًا بهذا الوضوح.
Rarely do we receive such detailed feedback.
نادرًا ما نتلقى ملاحظات بهذا التفصيل.
Not only did she prepare the report, but she also presented it.
لم تعدّ التقرير فحسب، بل قدمته أيضًا.