YOU SAID:
how many people read this paper?
INTO JAPANESE
何人がこの論文を読みますか?
BACK INTO ENGLISH
How many people read this paper?
INTO JAPANESE
この論文を読んだ人は何人ですか?
BACK INTO ENGLISH
How many people have read this paper?
INTO JAPANESE
この論文を読んだ人は何人ですか?
BACK INTO ENGLISH
How many people have read this paper?
That didn't even make that much sense in English.