| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it so [verb] that [prep] | 10 |
|
| 2 | it so happen that [prep] | 10 |
|
| 3 | it so [vb past] that [prep] | 7 |
|
| 4 | it so happened that [prep] | 7 |
|
