YOU SAID:
who did we tell to test?
INTO JAPANESE
誰我々はテストするために教えてくれたのですか?
BACK INTO ENGLISH
Who do you taught me to test?
INTO JAPANESE
誰があなたがテストするために教えてくれたのですか?
BACK INTO ENGLISH
Who do you taught me to test?
Okay, I get it, you like Translation Party.