| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] happen to be | 146 |
|
| 2 | [noun] [pron] happen to be | 111 |
|
| 3 | [noun] [subord] [pron] happen to | 35 |
|
| 4 | [noun] [subord] [pron] to be | 19 |
|
