| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [vb base] [modal v] [verb] | 139 |
|
| 2 | which they [verb] [modal v] [verb] | 79 |
|
| 3 | [pron] they [vb base] [modal v] [verb] | 67 |
|
