| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] who [modal v] [verb] | 431 |
|
| 2 | [noun] who [modal v] [verb] [noun prp] | 57 |
|
| 3 | a [noun] who [verb] [noun prp] | 46 |
|
| 4 | a [noun] [modal v] [verb] [noun prp] | 31 |
|
