| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [verb] [vb mod] [verb] | 319 |
|
| 2 | [pron] [pron] [vb base] [vb mod] [verb] | 241 |
|
| 3 | which [pron] [vb base] [modal v] [verb] | 139 |
|
