Final answer:
The verb 'savoir' conjugated in the imperfect tense for 'il' (he/it) is 'il savait,' which means 'he knew' in English.
Step-by-step explanation:
To conjugate savoir in the imperfect tense for the third-person singular (he, she, it, or one), you will use the form "savait." The verb "savoir" (to know) in the imperfect tense indicates a past action or state that was ongoing or not completed. "Il savait" translates to "he knew" in English.
When using the imperfect tense in French, it conveys continuity, habit, or something that used to happen regularly in the past, unlike the passé composé which is used to express actions completed in the past.