| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [noun] | 3243 |
|
| 2 | so it [vb past] | 363 |
|
| 3 | so [vb past] [noun] | 282 |
|
| 4 | so it [noun] | 9 |
|
