| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] happened to be on | 5 |
|
| 2 | [adv] happened to be on | 5 |
|
| 3 | [adv] happened to be on | 5 |
|
| 4 | [adv] happened to be on | 5 |
|
| 5 | just happened to be on | 5 |
|
| 6 | just happened to be on | 5 |
|
