form
noun
external appearance of a clearly defined area, as distinguished from color or material; configuration.
has been forming
-
present perfect progressiveof form (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A lava dome has been forming near the center of Kikai caldera for approximately 3,900 years.
From Science Daily ● Jul. 29, 2026
On the three-year weekly chart, the stock is nearing support within a bullish ascending triangle that has been forming since mid 2024.
From Barron's ● Oct. 16, 2025
The familiarity for Kendricks is gone, but a new bond has been forming quickly with Hicks.
From Seattle Times ● Aug. 11, 2022
As fires rage across large parts of the western United States, a unique kind of large storm cloud has been forming in the skies above.
From BBC ● Jul. 12, 2021
My daughter, Miss Morland," he continued, without leaving his daughter time to speak, "has been forming a very bold wish.
From Northanger Abbey by Jane Austen
