YOU SAID:
Im not in class today because i told my mom i was sick , i was completely lying
INTO JAPANESE
今日はクラスにいません
BACK INTO ENGLISH
I'm not in class today
INTO JAPANESE
私は今日クラスにいません
BACK INTO ENGLISH
I am not in class today
INTO JAPANESE
私は今日クラスにいません
BACK INTO ENGLISH
I am not in class today
That didn't even make that much sense in English.