| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [noun] | 3243 |
|
| 2 | then [vb past] [noun] | 794 |
|
| 3 | then it [vb past] | 522 |
|
| 4 | then it [noun] | 12 |
|
