Common Mistakes
Recognise and correct recurring grammar, vocabulary, and email habits that can make writing less clear or natural.
Common Mistakes Guide
Spot recurring mistakes and learn a reliable way to correct them.
Focus your editing on high-impact patterns so your writing becomes more accurate without losing fluency or confidence.
What This Guide Covers
Build the practical skills you need to write, revise, and communicate with confidence.
Common Mistakes Guides
Choose the situation you need now, or work through the guides in order to build the skill step by step.
50 Common English Writing Mistakes
Review frequent errors and the clear rules or patterns that correct them.
Read the overview25 Grammar Mistakes Even Advanced Learners Make
Fix subtle grammar problems that can remain at higher levels.
Read guideCommon Email Mistakes in English
Avoid unclear subjects, unsuitable greetings, vague requests, and awkward closings.
Read guideThe Most Common Preposition Mistakes
Learn common word-and-preposition combinations as complete phrases.
Read guideThe Most Common Article Mistakes (a, an, the)
Decide when a noun needs an article and which article fits the meaning.
Read guide