| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happened to be [prep] | 91 |
|
| 2 | happened to be in | 57 |
|
| 3 | happened to be on | 13 |
|
| 4 | happened to be at | 10 |
|
| 5 | happened to be with | 5 |
|
