| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] a [noun] | 62681 |
|
| 2 | a first [noun] | 1455 |
|
| 3 | [vb past] first [noun] | 196 |
|
| 4 | [vb past] a first | 128 |
|
