Subject-Verb Agreement: A Complete Guide With Edge Cases
Complete guide to subject-verb agreement including compound subjects, collective nouns, indefinite pronouns, and the tricky edge cases everyone misses.
April 2026
Who vs Whom: The Rule That Actually Works
Master who vs whom with the he-or-him substitution test, embedded clause rules, and real examples from formal to casual writing.
Articles A, An, The: Usage Guide for ESL Learners
Learn A, An, The with clear ESL rules for countable and uncountable nouns, specific vs general, zero article, 20+ examples, and a complete self-check exercise.
Conditional Sentences: Types 1, 2, 3, Mixed Explained
Master all four conditional sentence types with clear formation rules, 30+ examples, tables, and a self-check exercise for ESL and professional writers.
Complete Guide to Modal Verbs: Can, Could, May, Might
Master can, could, may, and might with clear rules for ability, permission, and possibility. Includes 20+ examples, tables, and a self-check exercise.
Prepositions In, On, At: Complete Guide
Complete guide to in, on, at for time and place. 50+ examples, clear rules, comparison tables, and the most common errors ESL writers make.
Complete Rules of Reported Speech for ESL Learners
Master reported speech with tense shifts, pronoun changes, time expressions, 20+ examples, and a self-check exercise for ESL and professional writers.
English Verb Tenses - Complete 12 Tense Guide
Master all 12 English verb tenses with clear rules, example sentences, and usage notes. Learn simple, continuous, perfect, and perfect continuous forms quickly.
March 2026
Capitalization Rules - When to Capitalize in English
Learn every capitalization rule in English with clear examples. Covers proper nouns, titles, job positions, geographic names, and common capitalization errors.
Subject-Verb Agreement: Essential Rules and Examples
Master subject-verb agreement with clear rules and examples. Covers compound subjects, collective nouns, indefinite pronouns, and tricky cases for error-free writing.