Question: what is the difference between when and went?
Answer: “Went” and “when” are different parts-of -speech. Whereas “went” is the past tense (preterite) of the verb “to go,” “when” is an adverbial conjunction introducing an adverbial clause (subordinate) of time in a complex sentence. EXAMPLES OF USAGE. WHEN: When I came home from work yesterday, I felt very tired.