| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] a [noun] | 8404 |
|
| 2 | [vb past] a first [noun] | 92 |
|
| 3 | [noun prp] [vb past] first [noun] | 27 |
|
| 4 | [noun prp] [vb past] a first | 21 |
|
| 5 | [noun prp] a first [noun] | 5 |
|
