1. -¿¹¿ä?

    1. '-¿¹¿ä ?' following a noun means 'Is it - ?'
    2. '-¿¹¿ä ?' is used when the noun to which it is attached ends with a vowel.
      6°ú | ¿¹¿ä? Is it | Lesson 6 ?
      ´ëÈ­ | ¿¹¿ä? Is it | a dialogue ?
      »ç°ú | ¿¹¿ä? Is it | an apple ?

  2. -ÀÌ¿¡¿ä ?

    1. '-ÀÌ¿¡¿ä?' and '-¿¹¿ä?' have exactly the same meaning.
    2. '-ÀÌ¿¡¿ä?' follows nouns ending with a consonant.
      ¸¸¿ø | ÀÌ¿¡¿ä? Is it | 10,000 won ?
      ¼±¹° | ÀÌ¿¡¿ä? Is it | a present ?
      ¿¬½À | ÀÌ¿¡¿ä? Is it | a practice ?

      • In English, there are tow different 'to be's. one meaning "to exist" and the other meaning "to be equal to". '-¿¹¿ä|-ÀÌ¿¡¿ä' means "to be equal to".
      • When '-¿¹¿ä|-ÀÌ¿¡¿ä' endings are not pronounced with rising intonation, they represent not questions but statements.

  3. -µµ also, too

    ºñ½Î¿ä. (It) is expensive.
    ¾ÆÁÖ ºñ½Î¿ä. (It) is very expensive.
    ÀÌ°Í ¾ÆÁÖ ºñ½Î¿ä. This is very expensive.
    À̰͵µ ¾ÆÁÖ ºñ½Î¿ä. This, too, is very expensive.

  4. Sino-Korean cardinal numbers

    0 ¿µ 10 ½Ê 20 ÀÌ½Ê 100 ¹é
    1 ÀÏ 11 ½ÊÀÏ 21 À̽ÊÀÏ 1,000 õ
    2 ÀÌ 12 ½ÊÀÌ 22 À̽ÊÀÌ 10,000 ¸¸
    3 »ï 13 ½Ê»ï 23 À̽ʻï 100,000 ½Ê¸¸
    4 »ç 14 ½Ê»ç 24 À̽ʻç 1,000,000 ¹é¸¸
    5 ¿À 15 ½Ê¿À 25 À̽ʿÀ 10,000,000 õ¸¸
    6 À° 16 ½ÊÀ° 26 À̽ÊÀ° 100,000,000 ¾ï
    7 Ä¥ 17 ½ÊÄ¥ 27 À̽ÊÄ¥ 1,000,000,000 ½Ê¾ï
    8 ÆÈ 18 ½ÊÆÈ 28 ÀÌ½ÊÆÈ 1,000,000,001 ½Ê¾ïÀÏ
    9 ±¸ 19 ½Ê±¸ 29 À̽ʱ¸ 1,000,000,011 ½Ê¾ï½ÊÀÏ