Looking on the internet deeply has found these results:

I passed by his room is the most popular phrase on the web.

I passed in his room 10 results on the web	I passed by his room 128 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Steve's family had gone home for the night, and as I passed by his room I felt a nudge to sit with him for awhile and pray for him and his family. Steve had. I admitted this guy from the E.D. on Friday night and when I passed by his room Sunday he said, �Hey Stephanie!� I stopped by, got him some ice cream, and just �... When Mark was about seven, I passed by his room and he asked me how to spell Montagnard. I asked him what he was writing and he was composing a letter�... stage I saw him sound asleep and loudly snoring. ... stage in front of 23,000, let alone having HBO out there filming, but as I passed by his room while walking on

I passed in his room

10 results on the web

I passed by his room

128 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Steve's family had gone home for the night, and as I passed by his room I felt a nudge to sit with him for awhile and pray for him and his family. Steve had.
I admitted this guy from the E.D. on Friday night and when I passed by his room Sunday he said, �Hey Stephanie!� I stopped by, got him some ice cream, and just �...
When Mark was about seven, I passed by his room and he asked me how to spell Montagnard. I asked him what he was writing and he was composing a letter�...
stage I saw him sound asleep and loudly snoring.
... stage in front of 23,000, let alone having HBO out there filming, but as I passed by his room while walking on