English - 4000 Essential Sentences
3871 essential English sentences from A1 to C2
A 3,871-sentence English deck from A1 to C2 that teaches vocabulary and grammar through complete sentences. Useful for reading, listening, fluency, and more natural expression.
Why this pack?
3,871 sentences from A1 to C2
Learn with complete sentences from beginner through advanced levels.
Grammar through context
Repeated sentence patterns help grammar become more intuitive over time.
Full-sentence English audio
Listen to complete sentences to practice both comprehension and speaking rhythm.
Increasing difficulty
Start with easier sentences and progress gradually to more complex language.
Preview the words
a bag carried on the back
“I packed a snack in my backpack.”
A policy is a rule.
“He told us that his policy was to put customers first.”
Underground means below the surface of the Earth.
“Subway trains travel underground.”
A brief action lasts a short time.
“The lawyers took a brief break.”
Intestines are tubes through which food passes after it leaves the stomach.
“Whatever you eat goes into your intestines.”
To scribble is to write something quickly without caring about how it looks.
“I scribbled a rough diagram of our plan and gave it to him.”
Lock the words in with smart quizzes
Learning is only half of it — practice is what makes words stick. Koki has 6 quiz modes to drive vocabulary into long-term memory.
Handwriting practice
Practise Hanzi, Kanji and Hangul stroke by stroke — built for Chinese, Japanese and Korean
Tricky word drills
Retype the words you keep forgetting — spelling and character accuracy
Writing with AI
AI builds fresh sentences from words you have learned — you write, AI scores and suggests fixes
Mini Quiz
5–10 quick questions a day — a vocabulary check in under 2 minutes
Matching Quiz
Match words to meanings — the familiar exam format, fast paced, sharpens recall
Full pack test
Generate a test over the whole pack — multiple choice, fill in the blank and short answer
Start learning English - 4000 Essential Sentences today
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