| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh adv] [pron] [vb mod] not | 495 |
|
| 2 | [noun] [Wh adv] [pron] [modal v] not | 495 |
|
| 3 | [noun] [adv] [pron] could not | 139 |
|
| 4 | [noun] [Wh adv] [pron] could [adv] | 118 |
|
| 5 | [noun] [Wh adv] [pron] could not | 90 |
|
