sentence: Only possible in segmental pronunciation , the occasional missed a few notes , such as -d , I did not notice this because when I deliberately stressed -d , I found the tone and mood more likely to become very weird . This is the biggest problem I 've encountered in pronunciation teaching .
modified: Only possible in segmental pronunciation , the occasional missed a few notes , such as -d , I did not noticed this because when I deliberately stressed -d , I found the tone and mood more likely to become very weird , this is the biggest problem I 've encountered in pronunciation teaching .
transformation: K, VERB:FORM, PUNCT