| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] a [noun] | 3678 |
|
| 2 | who [vb past] a [noun] | 1531 |
|
| 3 | who [vb past] [to-vb] [noun] | 309 |
|
| 4 | who [vb past] [to-vb] a | 136 |
|
