| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] happened [prep] | 68 |
|
| 2 | [that] [pron] happened [prep] | 35 |
|
| 3 | [that] if [pron] [prep] | 13 |
|
| 4 | [that] if [pron] happened | 8 |
|
