| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happened to be | 236 |
|
| 2 | [adv] happened to be | 74 |
|
| 3 | [adv] [pron] to be | 57 |
|
| 4 | [adv] [pron] happened to | 54 |
|
| 5 | [adv] [pron] happened be | 19 |
|
