| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [vb pp] [prep] | 492 |
|
| 2 | [vb past] [vb pp] [prep] they | 364 |
|
| 3 | what [vb past] [prep] they | 72 |
|
| 4 | what [vb past] [vb pp] they | 11 |
|
