YOU SAID:

he danced and danced an sang and danced and sang and danced an sang

INTO JAPANESE

彼は踊って歌って踊って踊って歌って踊って歌った

BACK INTO ENGLISH

He danced, sang, danced, danced, sang, danced, sang

INTO JAPANESE

彼は踊った、歌った、踊った、踊った、歌った、踊った、歌った

BACK INTO ENGLISH

He danced, sang, danced, danced, sang, danced, sang