YOU SAID:
This maths lesson is really boring although we are marking stuff
INTO JAPANESE
私たちはものをマークしていますが、この数学のレッスンは本当に退屈です
BACK INTO ENGLISH
We're marking things, but this math lesson is really boring
INTO JAPANESE
私たちは物事をマークしていますが、この数学のレッスンは本当に退屈です
BACK INTO ENGLISH
We're marking things, but this math lesson is really boring
You've done this before, haven't you.