Looking on the internet deeply has found these results:

I am in the train is the most popular phrase on the web.

I an on the train 10 results on the web	I am in the train 1770,000 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.	All the trains are down, so I am biking to a lunch date. I am quite sure we will keep the train on the track. I am not sure that it is good regional policy to fly or take the train to Strasbourg once a month. I am running in order to catch the train. Right, so there I am, I'm on top of the train, pumping the water in, and he's watching to make sure we put in exactly what he calculated. I am starting to believe that you just followed Stanfield into the train station and grabbed the first broad he brushed up against. So, I know the train is leaving the station, and I just want you to know that I am on board. I am always leaving my umbrella on the train.

I an on the train

10 results on the web

I am in the train

1770,000 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.

All the trains are down, so I am biking to a lunch date.
I am quite sure we will keep the train on the track.
I am not sure that it is good regional policy to fly or take the train to Strasbourg once a month.
I am running in order to catch the train.
Right, so there I am, I'm on top of the train, pumping the water in, and he's watching to make sure we put in exactly what he calculated.
I am starting to believe that you just followed Stanfield into the train station and grabbed the first broad he brushed up against.
So, I know the train is leaving the station, and I just want you to know that I am on board.
I am always leaving my umbrella on the train.