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.

Meta had been testing the business agent in some countries in a limited capacity before Wednesday’s launch and said it already has one million businesses using it.

From The Wall Street Journal • Jun. 3, 2026

He had been testing a photocatalyst when he removed it during a control experiment and discovered that the reaction worked just as well and sometimes even better without it.

From Science Daily • Mar. 14, 2026

A spokesperson told BBC News at the time it had been "testing ways to make it easier to share helpful conversations, while keeping users in control".

From BBC • Aug. 21, 2025

In the weeks leading up to the fires, Heinrich said, he had been testing a suite of new features for the app, making his house “probably the most 3D-scanned home on Earth.”

From Slate • Jul. 25, 2025

He had been testing his and Geisbert’s blood all along, and he wondered if the virus would suddenly show up in it.

From "The Hot Zone" by Richard Preston