| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [verb] | 4322 |
|
| 2 | what it [verb] | 2461 |
|
| 3 | what [vb past] [verb] | 1624 |
|
| 4 | what [vb past] it | 247 |
|
