| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] a | 17763 |
|
| 2 | it [verb] a | 9665 |
|
| 3 | it [vb past] [verb] | 8047 |
|
| 4 | it [vb past] a | 3546 |
|
