Why some Korean words are not pronounced as they are written? 3/3

ㅎ [h]

When a final consonat  [ㄱ][ㄷ][ㅈ] is followed by a consonant [ㅎ] or vice versa, the [ㄱ][ㄷ][ㅈ] are pronounced as aspirated [ㅋ][ㅌ][ㅊ] sounds.


1) ㄱ change to ㅋ

어떻게  [어떠케]

2)  ㄷ change to ㅌ


어떻게? 어떠케?

3) ㅈ change to ㅊ

넣지  [너치]