How to Use "theorize" with Example Sentences

1. How to write its history and how to theorize it ?

2. The researchers theorize that the artificial sweeteners trigger appetite cues , causing you to unconsciously eat more at subsequent meals .

3. Astronomers theorize that life must exist on other planets .

4. All we can do is theorize about the reason for the change .

5. And the captain 's job allowed him plenty of time to theorize .