| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happened [prep] [be] | 236 |
|
| 2 | [noun] [pron] happened [prep] | 105 |
|
| 3 | [noun] happened [prep] [be] | 92 |
|
| 4 | [noun] [pron] [prep] [be] | 57 |
|
