| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] [adv] happens that | 8 |
|
| 2 | [coord] it [adv] happens that | 8 |
|
| 3 | [coord] it [adv] happens that | 8 |
|
| 4 | [coord] [pron] [adv] happens that | 8 |
|
| 5 | and [pron] [adv] happens that | 6 |
|
