| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which they [modal v] | 1294 |
|
| 2 | which they [vb mod] | 1294 |
|
| 3 | which [pron] could | 1089 |
|
| 4 | which [pers pn] could | 1019 |
|
| 5 | [pron] they could | 589 |
|
| 6 | [Wh det] they could | 407 |
|
| 7 | which they could | 255 |
|
| 8 | which they could | 255 |
|
| 9 | which they could | 255 |
|
