| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [verb] [prep] | 738 |
|
| 2 | what it [verb] [prep] | 676 |
|
| 3 | what [vb past] [verb] [prep] | 513 |
|
| 4 | what [vb past] it [verb] | 134 |
|
