YOU SAID:
I'm working hard on my science class
INTO JAPANESE
私は理科の授業に一生懸命取り組んでいます
BACK INTO ENGLISH
I work my science class.
INTO JAPANESE
私は理科の授業をしています。
BACK INTO ENGLISH
I'm in science class.
INTO JAPANESE
私は理科の授業を受けています。
BACK INTO ENGLISH
I'm in science class.
Yes! You've got it man! You've got it