| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] happen that [art] | 45 |
|
| 2 | it so [verb] that [art] | 27 |
|
| 3 | it so happen [that] [art] | 26 |
|
| 4 | it so happen [conj] [art] | 26 |
|
| 5 | it so happen that [art] | 26 |
|
| 6 | [pron] so happen that [art] | 26 |
|
