| Suffix |
Context |
Example |
| 이 |
If the subject ends in a
consonant (and is not honourific) |
도서관이 |
| 가 |
If the subject ends in a vowel
(and is not honourific) |
린다가 |
| 께서 |
If the subject is honourific |
부모님께서 |
| Suffix |
Context |
Example |
| 를 |
If the object ends in a vowel |
현우를 |
| 을 |
If the object ends in a consonant |
도서관을 |
| Suffix |
Context |
Example |
| 는 |
If the topic ends in a vowel |
현우는 |
| 은 |
If the topic ends in a consonant |
도서관은 |
| Suffix |
Context |
Example |
| - - |
Non-honourific subject |
린다가공부하 |
| -시- |
Honourific subject |
부모님께서공부하시 |
| Non-honourific verb |
Honourific verb |
| 있 |
계시 |
| 먹 |
잡수시 |
| 잘지내 (or 잘있) |
아녕하시 |
| Sentence Ending |
Context |
Example |
| ㅂ니다 |
If the verb ends in a vowel |
공부합니다 |
| 습니다 |
If the verb ends in a consonant |
먹슴니다 |
| Sentence Ending |
Context |
Example |
| ㅂ니까 |
If the verb ends in a vowel |
공부합니까 |
| 습니까 |
If the verb ends in a consonant |
먹슴니까 |
| Sentence Ending |
Context |
Example |
| 십시오 |
If the verb ends in a vowel |
가십시오 |
| 으십시오 |
If the verb ends in a consonant |
읽으십시오 |