| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] happened to be [prep] | 17 |
|
| 2 | [adv] happened to be [prep] | 17 |
|
| 3 | just happened to be [prep] | 14 |
|
| 4 | [adv] happened to be in | 11 |
|
| 5 | [adv] happened to be on | 5 |
|
