| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [noun sg] [vb past] they | 6 |
|
| 2 | [prep] what [noun sg] [vb past] they | 6 |
|
| 3 | what [noun sg] [vb past] they [verb] | 19 |
|
| 4 | what [noun sg] [vb past] they [vb infin] | 18 |
|
