The prefix "BER-" in Indonesian serves to form verbs or adjectives. It results in intransitive verbs that may have complements or descriptions. BER- can become "BE-" if attached to a word beginning with "r" or ending in "-er", or "BEL-" for words beginning with a vowel, like "Belajar". BER- conveys various meanings including possession, use, production, quantity, identity, and states or actions. The prefix areas are associated with "per-" and denote aspects like multiplicity or dimensionality.

1.  The leading BER in the Indonesian language
serves as forming verbs or adjectives. Formed
verb has no object (intransitive), but may have
complementary or description. Due to the
resulting verb intransitive prefix BER , the verb
can not be pacified with the prefix in-.
The prefix BER will turn into:
be- if the initial interest-er-containing or basic
word starting with the letter r.
bel- for special cases, namely: Belajar.

2.  BER- prefix meaning:
1. Have : Beratap, Beristri, Berkumis
2. Use or wear: Berpakaian, Bermobil.
3. Produce: Berternak, Bertelur.
4. In quantity or multiples: Bertiga, Berjuta.
5. Recognize or call as: Bersaudara.
6.To act or work as: Bertani, Bertinju.
7.Are in a state: Bergembira, Berbahagia.
8. Declare acts of reciprocity: Bergulat, Bertukang
9. Declare acts of the self: Belindung, Bersembunyi.
The prefix areas are associated with per-prefix, such as
"multifaceted" and "square".

3.  The prefix areas may turn into BE-, or BEL- fixed BER as
follows :
PREFIX FACTS EXAMPLE
When met with words Be - rasa, Be- roda
BE - that began with the Be-rumah, Be-kerja
letter r or the first dan be – serta .
syllable ends with er
When met with ajar Bel - Ajar
BEL - words
When met with words Ber - ayah
BER - other than those Ber – bentuk , Ber –
mentioned above. bentuk , Ber –kepak ,
and Ber – tenaga .

4.  Meaning Prefix BER -
The prefix BER- have several meanings, ex:
(A) Has ....
Berayah = Have Father
Beribu = Have Mother
(B) Wear ....
Berpakaian = Wearing Clothes
(C) Climbed Up or Riding ....
Berkereta = Boarded the train
Berbasikal = Riding Basikal
(D) Use ....
Berpayung = use an umbrella
Bertongkat = use a stick

5. (E) Issuing or Producing ....
Berbunga = Issue a flower
Bertelur = Produce eggs
(F) Strive ....
Bersawah = Strive rice-fields
Berkedai = Strive tavern
(G) Say ....
Berdoa = Utter Prayer
Berjanji = Utter Promise
(H) Shows the attitude ....
Berkasar = Showed rude attitude
Berlembut = Showed soft attitude

6. (I) in the state ....
Bergembira = In the excited state
Berduka = In the grief state
(J) Acts on yourself ....
Berlindung = Shaved myself
Bersembunyi = Hid themselves
(K) There are things ...
Berbahaya = There is danger
Berduri = There is barbed
(L) Applies or works as a ....
Berdukun = Acts as a healer
Berguru = Working as a teacher

7. The prefix BER - serve as forming a verb. Meaning of prefix areas are as
follows :
 States that active actions. For example : Berkelahi, and Bernyanyi.
 Stating the state. For examples: Berbelok, Berbahagia.
 Declare the meaning set consisting of the numbers on the basic form.
For example: Berdua (sets of two)
 Stating the meaning of committing that which is in the basic form. For
example: Berpakaian (to wear) and Bertani (field seeking).
 To declare the meaning of what you have is the basic form. For
example: Berayah (has father) and Berpenyakit (have the disease).

8. 1) Ber - will change to be-if it is attached to
the base word ends with the first syllable
er. Example: Bekerja.
2) Ber - will turn into a bell-when attached
to the base word
vowel begins. Example: Belajar and
belunjur.