Sentence examples similar to some are not from inspiring English sources

Some are 500 years old, others many centuries more.

The majority are at least 40 years old, some are 60 or 70.

Most are younger than 200 million years, and some are 1 or 2 million years old.

This paper presents and analyzes more than 40 calculations; most are 2D, but some are 3D.

Some are 18 months behind, two years behind, or more.

Some are 2 hours, some are 3.

Some were 12 and 5 feet 8 inches.

"If 10 is really bad, some were 7 or 8, and some were probably 10s".

Some games are 18-rated.

Some structures are 250 years old.

All men, at some level, are 13.