HTSK Irregulars

Question 1

ㅅ Irregular

Answer 1

ㅅ disappears from stem when followed by a vowel

Question 2

ㄷ Irregular

Answer 2

ㄷ becomes ㄹ on stem for verbs followed by a vowel

Question 3

ㅂ Irregular

Answer 3

ㅂ becomes 우 at the start of the next syllable when an adjective is followed by a vowel

Question 4

ㅡ Irregular

Answer 4

Use the vowel in the second to last syllable to determine if 어/아 is used, then ㅡ disappears if it ends the stem (if only one syllable is in the stem or the stem ends in a consonant then use 어)

Question 5

르 Irregular

Answer 5

Becomes 러/라 in the stem, and the previous syllable gets a ㄹ added at the end (irregular does not apply if the following syllable in the conjugation starts with a consonant)

Question 6

ㄹ Irregular

Answer 6

When the stem ends withㄹ, then it is replaced with ㄴ, ㅂ, or ㄹ for ( ~ㄴ/은, ~ㄴ/는, ~ㅂ/습, ~ㄹ/을)