| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [modal v] not [verb] | 451 |
|
| 2 | a [noun] who [modal v] [verb] | 431 |
|
| 3 | [noun] who [modal v] not [verb] | 391 |
|
| 4 | a [noun] who [modal v] not | 63 |
|
