Aa Writing Hub
Grammar & language.
A clear, beginner-friendly language reference.
Australian and Canadian English for writers
The two varieties that sit between British and American convention — what each borrows from which, and what editors in Sydney and Toronto expect.
Open the guide →GUIDEIntermediatePunctuation, dates and numbers across English markets
Quotation marks, the serial comma, date order and currency conventions in the UK, US, Canada and Australia — and which ones editors actually notice.
Open the guide →GUIDEBeginnerWords that change meaning between UK and US English
The words that do not just look different but mean something else entirely — and which ones can quietly sink a pitch.
Open the guide →GUIDEIntermediateHow to use semicolons and colons
The two marks that scare writers most — and the simple rules for using them correctly.
Open the guide →GUIDEIntermediateWriting in English as a second language
The structural patterns that mark non-native writing, why they happen, and what to check before you send.
Open the guide →GUIDEBeginnerBritish vs American English
The main spelling, word and punctuation differences, and how to be consistent in whichever one you use.
Open the guide →GUIDEBeginnerComma rules
The main uses of the comma, and the four comma mistakes that most often confuse readers.
Open the guide →GUIDEBeginnerCommon grammar mistakes
The grammar errors writers make most often — and the simple fixes for each one.
Open the guide →GUIDEBeginnerHow to use apostrophes
The two jobs of an apostrophe — contractions and possessives — and the common mistakes that trip writers up.
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