| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [verb] | 8047 |
|
| 2 | it [vb past] [subord] | 701 |
|
| 3 | [vb past] [subord] [verb] | 600 |
|
| 4 | it [subord] [verb] | 352 |
|
