Sarah Johnson
Senior Grammar ExpertSarah Johnson is a senior English language educator with 15 years of experience teaching grammar and academic writing to international students. She holds an MA in Applied Linguistics from Oxford University and a CELTA certification from Cambridge. Her research focuses on AI-assisted language learning and adaptive grammar instruction. Sarah has helped over 10,000 students achieve their English language goals, from IELTS Band 8 to professional business communication.
Articles by Sarah Johnson
27 PublishedHow to Use AI Writing Assistants Responsibly in Academic Writing
Learn how to use AI writing assistants ethically for academic writing, grammar feedback, brainstorming, and editing while preserving academic integrity.
How AI Summarizers Work: Condensing Complex Documents in Seconds
Discover how AI summarizers condense complex documents into clear key takeaways using extractive and abstractive language models.
Spaced Repetition Flashcards: The Proven Science of Vocabulary Retention
Discover how spaced repetition flashcards and active recall improve long-term vocabulary retention with practical study workflows.
How Educators Use AI Tools for English Instruction
Discover practical, ethical ways English educators use AI tools for lesson planning, exercise generation, writing feedback, and personalized instruction.
Active vs Passive Vocabulary: How to Use More Words
Learn how to expand your active English vocabulary with practical strategies for using new words, spaced repetition, and retrieval practice.
How to Write an Academic Research Paper Abstract
Learn how to write a concise, compelling academic research paper abstract with step-by-step structural guidelines and practical examples.
Mastering Modal Verbs of Obligation and Possibility
Master modal auxiliary verbs (Can, Could, Should, Would, Must, May, Might) with clear rules, comparison tables, and practical exercises.
Direct vs Indirect Speech Rules Explained
Master direct vs indirect speech rules with tense shift tables, pronoun rules, reporting verbs, and practice exercises.
IELTS Listening Test Preparation & Keyword Matching
Master IELTS Listening preparation with keyword tracking techniques, distractor identification, and band 8+ exam strategies.
Clear Pronunciation & Accent Reduction Techniques
Improve your spoken English clarity with practical phonics exercises, word stress patterns, and intonation techniques.
How to Structure a 5-Paragraph Academic Essay
Master the 5-paragraph academic essay structure with clear guidelines for thesis statements, body paragraphs, and conclusions.
Top 50 English Phrasal Verbs in Daily Usage
Master 50 essential English phrasal verbs with clear definitions, example sentences, and separable vs inseparable usage rules.
15-Minute Daily English Practice Plan for Busy Adults
Build a sustainable 15-minute daily English practice routine designed for busy working professionals and students.
English Collocations: How to Pair Words Naturally
Learn how to use English collocations to pair words naturally, sound fluent, and eliminate awkward phrase choices.
Job Interview Spoken English Practice Guide
Master spoken English job interview preparation with response frameworks, key business vocabulary, and confidence-building strategies.
Their, There & They're: 30 Homophones Explained
Master 30 common English homophones including Their/There/They're, Your/You're, and Its/It's with clear definitions and examples.
100 Essay Transition Words to Improve Paragraph Flow
Master essay transition words to improve paragraph flow, connect ideas logically, and enhance academic essay writing.
The Complete Guide to English Punctuation Rules
Master English punctuation rules with clear explanations, examples, and cheat sheets for periods, commas, semicolons, and apostrophes.
How to Think in English and Stop Translating in Your Head
Discover practical strategies to stop mentally translating and start thinking directly in English for faster, more natural communication.
Professional Email Writing: Grammar, Tone & Structure
Master professional email writing with essential structural rules, formal vs. friendly tone guides, business email templates, and grammar tips.
100 High-Frequency Academic Vocabulary Words for IELTS
Master 100 high-frequency academic vocabulary words for IELTS with definitions, example sentences, and practice strategies for Band 7+.
Passive Voice vs Active Voice: How to Transform Your Writing
Master passive vs active voice transformations with clear examples, rules, and professional writing style advice.
Prepositions of Place and Time (In, On, At): Complete Rules & Cheat Sheet
Master prepositions of time and place (In, On, At) with clear rules, comparison tables, exceptions, and practice exercises.
Mastering English Verb Tenses: A Step-by-Step Guide for ESL Learners
Understand all 12 English verb tenses with simple explanations, real-world examples, and comparison tables for ESL learners.
Subject-Verb Agreement Rules: 10 Common Mistakes & How to Avoid Them
Master subject-verb agreement rules with 10 common mistakes, compound subject guides, and practical examples for clear English writing.
Why a Strong Vocabulary Matters More Than You Think
Discover why a strong English vocabulary is essential for clear communication, confident writing, and professional success.
Mastering English Articles (A, An & The): The Complete Beginner's Guide
Master English articles (A, An, and The) with clear rules, real-world examples, and common mistake comparisons.