| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen to be | 565 |
|
| 2 | [conj] [pron] happen to | 394 |
|
| 3 | [conj] [pron] to be | 101 |
|
| 4 | [conj] happen to be | 36 |
|
