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4.2 Prefixes

Prefixes are similarly used for vocabulary expansion. For example, antonyms are very rarely based on separate roots but are formed by use of the negating prefix "mal-": dekstren Towards the right maldekstren Towards the left supren Upwards malsupren Downwards

This reduces the number of root forms to be learned. However, the prefix mal- almost always occurs in an unstressed position (such as the words above), which can lead to many similar-sounding words with opposite meanings. Despite this problem, Esperanto is sometimes presented as a solution to the many airplane crashes which arise due to misunderstandings of English.


bo- relation by marriage, "in-law" bopatrino: mother-in-law; bofrato: brother-in-law
cef- head, chief cefurbo: capital; cefministro: prime minister
dis- separation, scattering disjeti: to throw about; dissendi: to distribute
ek- sudden or momentary action ekbrili: to flash; ekkrii: to shout out
ge- a group of both sexes gepatroj: parents; gesinjoroj: ladies and gentlemen
mal- opposite granda: big, malgranda: small; rica: rich, malrica: poor
re- over again, back again resendi: to send back; rekonstrui: to rebuild


ge- is clasically used only with plurals, as in the examples above. The use of ge- in the singular to mean "of unspecified gender", e.g. gepatro = parent or geedzo = spouse, is not yet universally accepted.

4.3 Participles

Participles, like tenses use the vowels i, a and o to indicate past, present and future time, respectively. Example: esperinto=former hoper. Passive participles are formed like active participle, except the n is omitted (infixes -it-, -at-, -ot-).

5 Numbers

5.1 Integers

As in English, there exist multiple systems for writing numbers above 1,000 in Esperanto. (A British "billion" and a US "billion" are different.) Using one system:

5.2 Ordinals

Ordinal numbers are formed by adding the adjective -a ending:

5.3 Fractions

5.4 Multiples

5.5 File

6 Grammar examples

esperi To hope esperas Hopes, is hoping, does hope esperis Hoped, was hoping, did hope esperos Shall or will hope esperu Hope! (volitive) esperus Were to hope, would hope (conditional) esperanta(n) Hoping - nominative (accusative) adjective esperantaj(n) Hoping - nominative (accusative) adjective, plural esperanto(n) Hoper - nominative (accusative) noun esperantoj(n) Hopers - nominative (accusative) noun

The -ant- suffix in the above examples indicates present active participle.

7 Comparisons

pli means more, and plej means most. Derived using the mal- prefix, malpli means less, and malplej means least. Phrases like "The more people, the smaller the portions." and "All the better!" are translated using ju and des in place of the: "Ju pli da homoj, des malpli grandaj la porcioj.", and "Des pli bona!".

8 See also


9 External links

A fairly good overview of Esperanto's grammar and word-building system can be gained by viewing "The Sixteen Rules of Esperanto", "The Esperanto Correlatives" and "Word Building With Esperanto Affixes"

Also see Jiri Hana's Master thesis overview of Esperanto:

Grammar



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