IndoLingua B1 Indonesian Course Book — English Edition (Digital eBook + Audio)

About this B1 book for English speakers

This is the CEFR B1 (intermediate) level of the IndoLingua method, written for English speakers. At B1 the goal is to become independent for travel, work and social life in Indonesia. Every explanation, translation and example is given in English, so you never have to learn Indonesian through a third language.

What you will learn at B1

The B1 book focuses on opinions and feelings, the full prefix/suffix system (me-kan, di-, ter-, -an), narration and connected discourse. By the end you will be able to explain and justify opinions, tell stories and deal with most situations while travelling or working.

Learning Indonesian as a English speaker

What you already have for free

The FSI 900-hour Category II estimate is measured for English speakers specifically, so the published timeline for this course is the one that applies to you directly. Indonesian uses the same 26-letter alphabet you already read, with no tones, no cases and no grammatical gender — and word order is the familiar subject-verb-object.

What you have to unlearn

What is genuinely new is the affix system — me-, ber-, pe-, -kan, -i, -an — which builds meaning where English would reach for a separate word: ajar (teach) gives belajar (study), mengajar (to teach), pelajaran (lesson) and pelajar (student). Tense is never marked on the verb; sudah, belum and akan do that work.

The mistakes English speakers actually make

The reflex to break is putting the adjective first: it is rumah besar, not besar rumah. English speakers also over-mark time, stacking sudah onto a sentence that already says kemarin. And the false friends bite early — air means water, mata means eye, bang is a form of address for an older man, and rok is a skirt.

Pronunciation: what to drill first

Indonesian gives every vowel its full value, so the English habit of reducing unstressed syllables to a schwa has to go: Indonesia is five clear vowels, not in-duh-NEE-zhuh. The letter c is always the ch of church (cinta = CHIN-ta), and final consonants are released cleanly rather than swallowed.

Words you already know

English and Dutch loanwords give you several hundred words for free: televisi, komputer, bis, tiket, apotek, polisi, musik, ekonomi.

This is why the English edition exists as its own book rather than a translated appendix: the B1 explanations are written against English habits, and the vocabulary lists give English equivalents rather than English ones.

The grammar taught at B1

B1 is the level where Indonesian stops being easy and becomes interesting. You work through the derivational system in full — me-kan and me-i for causatives and applicatives, di- for the passive that Indonesian uses far more than English does, ter- for accidental or resultant states, and -an for nominalisation. You also meet yang, the relative marker that makes long sentences possible.

A sentence you can build at B1: Buku yang saya beli kemarin ternyata lebih menarik daripada yang direkomendasikan teman saya. — "The book I bought yesterday turned out to be more interesting than the one my friend recommended."

What CEFR B1 certifies

CEFR B1 means you can handle most situations likely to arise while travelling, produce connected text on familiar topics, describe experiences and events, and briefly give reasons and explanations for opinions and plans.

Where B1 fits in the A1–C2 path

IndoLingua's English collection runs from A1 (absolute beginner) to C2 (mastery). B1 is the intermediate stage, reached once you can explain and justify opinions, tell stories and deal with most situations while travelling or working. At B2 the question stops being what you can say and becomes which register you say it in.

Why learn Indonesian?

Indonesian is spoken by 270 million people and is the official language of Indonesia. FSI ranks it as Category II (around 900 hours to professional fluency for English speakers) — no verb conjugations, no noun genders, no tones, Latin alphabet.