YOU SAID:
Hello! Have you missed me?
INTO JAPANESE
こんにちは!あなたは私がいなくて寂しかったですか?
BACK INTO ENGLISH
Hello! Did you miss me?
INTO JAPANESE
こんにちは!私のことが恋しかったですか?
BACK INTO ENGLISH
Hello! did you miss me?
INTO JAPANESE
こんにちは!私のことが恋しかったですか?
BACK INTO ENGLISH
Hello! did you miss me?
That didn't even make that much sense in English.