| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen to be | 565 |
|
| 2 | [noun] happen to be | 218 |
|
| 3 | [noun] [pron] happen to | 158 |
|
| 4 | [noun] [pron] to be | 45 |
|
