YOU SAID:
he has been making them great noises especially when he eats the burgers
INTO JAPANESE
彼はハンバーガーを食べるときは特に大きな音を立てています
BACK INTO ENGLISH
He makes a particularly loud noise when eating burgers
INTO JAPANESE
彼はハンバーガーを食べるときに特に大きな音を立てます
BACK INTO ENGLISH
He makes a particularly loud noise when eating burgers
You've done this before, haven't you.