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Discover LudwigThe phrase "agents used to" is correct and usable in written English.
It can be used to describe a past habit or state that is no longer true, often in the context of agents or individuals performing certain actions in the past.
Example: "In the past, agents used to rely heavily on manual processes before the introduction of automation."
Alternatives: "agents formerly" or "agents typically".
Exact(60)
Prophylactics also are agents used to prevent infections and diseases.
The agents used to colour glass are generally metallic oxides.
Agents used to exist side by side with managers, who cater more broadly to performers' needs.
Change in neighbourhood The estate agents used to be very low-key.
The chemicals are agents used to make household products like laundry detergents and cleaners.
"Press agents used to beg you" to write about their clients, Ms. Smith said.
The quiet disposition of his case stands in stark contrast to language F.B.I. agents used to describe him.
But its surfactants — the wetting agents used to spread the chemical — are harmful to fish and frogs.
Virtual realities and physical —analogues are parallel agents used to inspire, irritate and ignite new dialogues and modes of creation.
Other agents used to treat MS include glatiramer acetate (Copaxone), the immunosuppressant drug mitoxantrone (Novantrone), and ocrelizumab (Ocrevus).
Moreover, none of the agents used to date are designed to act selectively upon the heart.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com