| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] happened [prep] | 68 |
|
| 2 | [adj] [pron] happened [prep] | 27 |
|
| 3 | [adj] if [pron] [prep] | 12 |
|
| 4 | [adj] if [pron] happened | 6 |
|
