Looking on the internet deeply has found these results:

she went to the gym is the most popular phrase on the web.

she went to gym 1128,000 results on the web	she went to the gym 13,130,000 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.	I changed my hair. I went to the gym. She went to the gym at least 3 times a week. She went to Amanda's gym. Sorry. l couldn't sleep, so l went to the gym. I changed my hair. I went to the gym. Because, I don't know, that day I went to the gym. I fail to see how one can doubt malice aforethought, when the accused has admitted she went to the gym with a razor misappropriated from home that morning. You should have went to the gym and lost weight.

she went to gym

1128,000 results on the web

she went to the gym

13,130,000 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.

I changed my hair. I went to the gym.
She went to the gym at least 3 times a week.
She went to Amanda's gym.
Sorry. l couldn't sleep, so l went to the gym.
I changed my hair. I went to the gym.
Because, I don't know, that day I went to the gym.
I fail to see how one can doubt malice aforethought, when the accused has admitted she went to the gym with a razor misappropriated from home that morning.
You should have went to the gym and lost weight.