| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] a [noun] | 992 |
|
| 2 | [vb past] become a [noun] | 297 |
|
| 3 | which [vb past] become a | 13 |
|
| 4 | which [vb past] become [noun] | 5 |
|
