YOU SAID:
I am going to sleep because I am tired.
INTO JAPANESE
私は疲れているので眠るつもりです。
BACK INTO ENGLISH
I'm going to sleep because I'm tired.
INTO JAPANESE
私は疲れているので眠るつもりです。
BACK INTO ENGLISH
I'm going to sleep because I'm tired.
You've done this before, haven't you.