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Learn English, one clear idea at a time.
Practical grammar guides written by a teacher — each one backed by free interactive exercises.
July 17, 2026 · 5 min read
7 English Mistakes Even Advanced Learners Make
These seven grammar mistakes survive years of English study. See why each one happens — and the quick fix that makes it stick.
July 17, 2026 · 4 min read
A vs. An vs. The: The 60-Second Decision Guide
Stop guessing English articles. Three quick questions tell you whether a noun needs "a," "an," "the," or no article at all.