Sentence examples for may have lost from inspiring English sources

"may have lost" is correct and usable in written English.
It is a modal verb construction used to express uncertainty or possibility about a past event or action. Example: "I may have lost my keys at the park yesterday." In this sentence, the speaker is not sure if they actually lost their keys, but it is a possibility. Other examples: 1. "She may have lost her train ticket on the way to the station." 2. "The team may have lost the game due to their lack of practice." 3. "I may have lost my wallet while shopping." 4. "They may have lost interest in the project after the initial excitement." 5. "He may have lost his job due to the company's downsizing."