Esperanto grammar

Every Esperanto grammar topic, in one place

Filter by CEFR level, search by topic, and pick the piece that fits what you are stuck on. The catalogue covers the full set of Esperanto grammar rules from the SVO baseline at A1 to the register-shifting moves at C1.

Start with the Esperanto alphabet. Every letter, its sound and how to type it, before the grammar.
  1. Beginner (A1-A2)

    -ig- and -iĝ-

    -ig- means cause it, -iĝ- means it happens. The Esperanto suffix pair that fixes transitivity, why mi bolas la akvon is wrong, and the drills to fix it.

  2. Beginner (A1-A2)

    -us and -u

    The Esperanto conditional -us (would, with no tense) and the volitive -u (commands, wishes and ke-clauses), with the one-line test and drills.

  3. Beginner (A1-A2)

    Adverbs

    How Esperanto adverbs work: -e from any root, estas varme vs la supo estas varma, adverbs that never take -e, and -en for direction. Examples, drills.

  4. Beginner (A1-A2)

    Affixes

    Every official Esperanto prefix and suffix in two tables, with examples, and the seven to learn first: mal-, -in-, ge-, re-, -ej-, -ist-, -et- and -eg-.

  5. Intermediate (B1-B2)

    Affixes That Are Also Words

    Most Esperanto affixes are words too: ilo is a tool, aro a group. Which pieces are really roots (vic-, duon-), and why eraro is one root. With drills.

  6. Intermediate (B1-B2)

    After the Esperanto Course

    Finished the Esperanto course? What three thousand roots really buys you, and what to do next: what to read, listen to, speak, write and join.

All Esperanto grammar topics, A-Z