YOU SAID:
Sorry for my grammar - English is my first language
INTO JAPANESE
私の文法でごめんなさい-英語は私の第一言語です
BACK INTO ENGLISH
I'm sorry for my grammar-English is my first language
INTO JAPANESE
文法がすみません-英語が私の第一言語です
BACK INTO ENGLISH
I'm sorry for the grammar-English is my first language
INTO JAPANESE
文法でごめんなさい-英語は私の第一言語です
BACK INTO ENGLISH
I'm sorry for the grammar-English is my first language
You've done this before, haven't you.