| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] which [pron] [modal v] | 728 |
|
| 2 | [noun] which [pron] could | 309 |
|
| 3 | [noun pl] [pron] [pron] could | 128 |
|
| 4 | [noun pl] [Wh det] [pron] could | 109 |
|
| 5 | [noun pl] which [pron] could | 102 |
|
