| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] so happen that [prep] | 10 |
|
| 2 | it so happen that [prep] | 10 |
|
| 3 | [pers pn] so happen that [prep] | 10 |
|
| 4 | it so happen that [prep] | 10 |
|
| 5 | so happen that [prep] [adj] | 7 |
|
| 6 | so happen that [prep] [det] | 5 |
|
