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
Not sure where to start?
Take the Level Check to find out your level, then pick lessons that fit.
Find my levelGrammarA1Beginner
a, an or the? The basics in one page
When to use a, when to use an, when to use the, and when to use nothing at all.
1 min read · Oct 15, 2026Read
VocabularyA2Elementary
Make or do? 30 collocations you'll use this week
Make a mistake, do your homework. A list grouped by situation, with a quick way to choose and a quiz.
1 min read · Oct 6, 2026Read
Common 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
PronunciationA2Elementary
‑ed endings: /t/, /d/ or /ɪd/?
Why 'worked', 'played' and 'wanted' end with three different sounds, and a simple rule to say them right.
1 min read · Sep 1, 2026Read