- I lost my phone when I was at the place last time. I thought about the incident all of a sudden. I do now know why.
- I lost my phone when I was at the place last time. That incident just occur to me.
- I lost my phone when I was at the place last time. That incident just spring to my mind.
- I lost my phone when I was at the place last time. I suddenly thought about the incident.
Are the above sentences correct? Please advise.