| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] it [verb] | 134 |
|
| 2 | [vb past] it [verb] [subord] | 80 |
|
| 3 | what it [verb] [subord] | 38 |
|
| 4 | what [vb past] [verb] [subord] | 29 |
|
