The informal polite style is the honorific form used most in daily life. Compared to the formal polite style(스)ㅂ니다, this style is softer and less formal and is therefore used mainly among family members, friends, and other close acquaintances. 1. -아요 : When the word stem ends in ㅏ or ㅗ Basic form Declarative 앉다 앉아요 받다 받아요 가다 가요 자다 자요 만나다 만나요 오다 와요 보다 봐요 2. -어요 When the word stem ends in a consonant 읽다 --------> 읽어요 먹다 --------> 먹어요 입다 --------> 입어요 If the word stem ends in the vowel ㅐ, ㅓ, or ㅕ, the 어 of -어요 is deleted 보내다 --------> 보내요 지내다 --------> 지내요 서다 --------> 서요 If the word stem ends in the vowel ㅜ, the 어 of -어요 combine to form ㅝ 배우다 --------> 배워요 주다 --------> 줘요 바꾸다 --------> 바꿔요 When the word stem ends in the vowel ㅣ, ㅣ and the 어 of 어요 combine to form ㅕ 마시다 --------> 마셔요 기다리다 --------> 기다려요 헤어지다 --------> 헤어...
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