| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [noun] [vb past] [prep] [conj] | 8 |
|
| 2 | [Wh det] [noun prp] [vb past] [prep] [conj] | 7 |
|
| 3 | which [noun] [vb past] [prep] [conj] | 6 |
|
