YOU SAID:
I am in my science lesson and it is boring.
INTO JAPANESE
私は私の科学の授業を受けていて、それは退屈です。
BACK INTO ENGLISH
I am taking my science class and it is boring.
INTO JAPANESE
私は私の科学の授業を受けています、そしてそれは退屈です。
BACK INTO ENGLISH
I am taking my science class, and it's boring.
INTO JAPANESE
私は私の科学の授業を受けています、そしてそれは退屈です。
BACK INTO ENGLISH
I am taking my science class, and it's boring.
You've done this before, haven't you.