| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen to be | 565 |
|
| 2 | [coord] [pron] happen to | 110 |
|
| 3 | [coord] [pron] to be | 43 |
|
| 4 | [coord] happen to be | 7 |
|
