YOU SAID:
sometimes im happy, somtimes im sad
INTO JAPANESE
時々私は幸せ、時々私は悲しい
BACK INTO ENGLISH
Sometimes I am happy, sometimes I am sad
INTO JAPANESE
時々私は幸せです、時々私は悲しいです
BACK INTO ENGLISH
Sometimes I am happy, sometimes I am sad
That didn't even make that much sense in English.