Duoprep Blog

Notes from the marking desk.

What FPSC examiners actually complain about, the mistakes that cost the most marks, and how to prepare an essay before you write a word of it. Written from real examiner reports and real marked papers.

25 July 2026 · Language

The grammar mistakes that quietly cost CSS aspirants the most marks

Across the essays we have analysed, a small number of error patterns appear again and again — and most aspirants do not know they are making them. Here are the ones worth fixing first.

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