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have acted
  • present perfect of act.

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.

Researchers suggest that hydrothermal lakes formed by asteroid impacts may have acted as isolated environments where oxygen producing microbes could thrive.

From Science Daily • May 22, 2026

A small number of school districts have acted on their own, with some in Connecticut blocking or limiting students’ YouTube access.

From Los Angeles Times • May 20, 2026

"Some believe his defence of City's owners was misplaced, but it's hard to think that many employees would have acted differently if placed in the same position," says Jotischky.

From BBC • May 19, 2026

Traditionally, middle managers have acted as conduits who maintained close contact with both rank-and-file staff and higher-ups.

From MarketWatch • May 7, 2026

Why couldn’t I have acted strong and calm like Eliza instead of blubbering like a baby?

From "Fever 1793" by Laurie Halse Anderson