| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [verb] | 4322 |
|
| 2 | how it [verb] | 1379 |
|
| 3 | [vb past] how [verb] | 471 |
|
| 4 | [vb past] how it | 87 |
|
