The Rock Egg blog
Learn a little English every day
Short, friendly lessons on one idea at a time, with examples you can hear and a quick quiz at the end.
- 5-minute lessons
- A quiz in every post
- English and Tiếng Việt
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Take the Level Check to find out your level, then pick lessons that fit.
Find my levelCommon mistakesA2Elementary
Why "I am agree" is wrong, and 7 more mistakes from Vietnamese
Verbs that aren't adjectives, missing plurals and other patterns that come from translating word for word.
1 min read · Sep 29, 2026Read
Common mistakesB1Intermediate
Bored or boring? ‑ed and ‑ing adjectives
Why 'I am boring' means something very different from 'I am bored', and how to always pick the right one.
1 min read · Aug 18, 2026Read