| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it happened [pron] | 41 |
|
| 2 | it happened [pers pn] | 36 |
|
| 3 | it happened i | 14 |
|
| 4 | it happened i | 14 |
|
| 5 | it happened we | 7 |
|
| 6 | it happened we | 7 |
|
| 7 | it happened he | 7 |
|
| 8 | it happened he | 7 |
|
