YOU SAID:
HI WELCOME TO MY SCHOOLHOUSE
INTO JAPANESE
こんにちは私のスクールハウスへようこそ
BACK INTO ENGLISH
Hello Welcome to my schoolhouse
INTO JAPANESE
こんにちは私の学校にようこそ
BACK INTO ENGLISH
Hello, welcome to my school
INTO JAPANESE
こんにちは、私の学校へようこそ
BACK INTO ENGLISH
Hello, welcome to my school
You've done this before, haven't you.