| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [pron] [vb past] [verb] [prep] | 245 |
|
| 2 | [prep] [pron] [vb past] happen [prep] | 112 |
|
| 3 | of [pron] [verb] happen [prep] | 80 |
|
