| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [vb past] [adj] [noun] | 357 |
|
| 2 | at which [pron] [vb past] [noun] | 16 |
|
| 3 | at which [pron] [vb past] [adj] | 15 |
|
| 4 | at which [pron] [adj] [noun] | 8 |
|
