had theorized
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past perfectof theorize.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
The researchers had theorized that electrostatic induction was the mechanism driving the interplay between the worm and its target.
From Science Daily ● Oct. 15, 2025
Scientists had theorized a few explanations for the massive jump in September, which Hausfather called “gobsmacking.”
From Seattle Times ● Jun. 4, 2024
Scientists had theorized that there might be two asteroids since they saw the brightness of Dinkinesh change over time, indicating an orbital shadow.
From Washington Times ● Nov. 3, 2023
Researchers had theorized that national service programs could improve dismally low voting participation rates among young adults.
From Science Magazine ● Jul. 11, 2022
Aristotle had given some anatomical knowledge in his writings on animals, and had theorized a little about the functions of the human body.
From The History of Education; educational practice and progress considered as a phase of the development and spread of western civilization by Ellwood Patterson Cubberley