| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] to [be] a | 640 |
|
| 2 | [pron] happened to [be] | 236 |
|
| 3 | happened to [be] a | 39 |
|
| 4 | [pron] happened to a | 9 |
|
| 5 | [pron] happened [be] a | 5 |
|
