| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] [be] | 7950 |
|
| 2 | [pron] happened [prep] | 1950 |
|
| 3 | happened [prep] [be] | 441 |
|
| 4 | [pron] happened [be] | 142 |
|
