Grammar Fundamentals
ESL-focused grammar guides targeting the mistakes that matter most in professional writing: articles, prepositions, countable nouns, and modal verbs.
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Articles in Business English — a, an, and the at Work
The most common ESL grammar mistake in business writing, explained with workplace examples and a simple decision rule.
Prepositions in Business English — at, in, on for Meetings and Emails
Eliminate preposition errors in work emails and messages with a practical reference for the most common business-English preposition patterns.
Countable vs Uncountable Nouns in Business English (feedbacks, advices, informations)
Why 'feedbacks,' 'advices,' and 'informations' are wrong — and the complete list of business English nouns that non-native speakers most often pluralize incorrectly.
Modal Verbs for Polite Requests — could, would, might in Business Email
How to use could, would, can, and might to make requests that sound professional, polite, and culturally appropriate in business English.
Conditional Sentences in Professional Email
How to use first, second, and zero conditionals in work emails to make polite requests, offer alternatives, and sound more professional in business English.