| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happened to [pron] | 447 |
|
| 2 | [pron] happened to [be] | 236 |
|
| 3 | [pron] to [be] [pron] | 181 |
|
| 4 | [pron] happened [be] [pron] | 21 |
|
| 5 | happened to [be] [pron] | 15 |
|
