The soldiers were ordered to fall in at dawn
The roof began to fall in under the weight of the snow
The old building was starting to fall in
Please fall in line behind me
The applause continued to fall in as the performer took a bow
When the news came, the mourners began to fall in a heap
Make sure your books fall in the right order on the shelf
The new recruits had to fall in on the parade ground
The price of oil started to fall in the last quarter
The plan was good, but it began to fall in at the last minute
Did the leaves fall in yet?
No, it looks like they will soon.
I hope they fall in before the rain.
The troops will fall in at dawn for the parade
The soldiers must assemble at sunrise for the parade
Everyone should gather at dawn for the parade