YOU SAID:

I really should pay attention in chemistry class.

INTO JAPANESE

私は本当に化学科目で注意を払うべきです。

BACK INTO ENGLISH

I really ought to pay attention with chemistry subjects.

INTO JAPANESE

私は化学の科目に注意を払うべきです。

BACK INTO ENGLISH

I should pay attention to in chemistry.

INTO JAPANESE

化学に注意を払う必要があります。

BACK INTO ENGLISH

You need to pay attention to the chemical.

INTO JAPANESE

化学物質に注意を払う必要があります。

BACK INTO ENGLISH

You need to pay attention to the chemicals.

INTO JAPANESE

化学物質に注意を払う必要があります。

BACK INTO ENGLISH

You need to pay attention to the chemicals.