| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen to be | 165 |
|
| 2 | [noun] [pron] to be | 45 |
|
| 3 | [noun] [pron] happen to | 44 |
|
| 4 | [noun] happen to be | 31 |
|
