English for Developers
A 12-part course on grammar, clarity, and professional writing.
13 posts · Communication
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Developer English — Grammar Course
This is a short English writing course made for you. It focuses on the exact mistakes you make in your everyday work writing — things like spelling errors,…
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01 — Articles: a, an, the (and no article)
When to write "a", "an", "the", or nothing before a word in English. Getting this right makes your messages, pull requests, and comments sound natural and…
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02 — Countable vs uncountable: much / many / few / less / fewer
When to say "many" and when to say "much" — and when to add an "s" to a word or leave it out. Getting this wrong is one of the most common English mistakes for…
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03 — Subject–verb agreement
Making your verb match your subject — the "doer" of the action in a sentence. In English, a single thing needs one form of the verb, and many things need a…
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04 — Verb tenses & keeping them consistent
Which verb form to use depending on when something happened — and how to stay consistent within a sentence.
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05 — Plurals, apostrophes & possessives (its vs it's)
Three small but very common English mistakes: when to add an apostrophe (the ' mark), when NOT to add one, and how to use "its" vs "it's" correctly.
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06 — Prepositions (in, on, at, to, for, with)
The small connecting words called prepositions — words like "in," "on," "at," "to," and "for." These tiny words cause big mistakes because there is often no…
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07 — Punctuation & capitalization basics
The small punctuation marks and capital letters that make written English look polished and professional.
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08 — Sentence structure: run-ons, fragments & comma splices
How to write clear, complete sentences — no more long chains of words with no full stops. If you often write one long line where three or four sentences should…
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09 — Commonly confused words
Small word mix-ups that are very easy to make in English — things like writing "its" when you mean "it's", or "login" when you should write "log in".
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10 — Professional dev writing: commits, PRs, Slack, comments
How to write like a senior developer — not by coding better, but by writing better. Every day you write commit messages, pull request descriptions, code review…
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11 — Spelling & typos developers get wrong
The small spelling mistakes that developers make every day — in commit messages, pull request descriptions, Slack messages, and code comments.
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12 — Master mixed review
This is the final practice session of the Developer English course. It mixes every grammar rule from all previous lessons into one big exercise so you can…