| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] become a [noun] | 297 |
|
| 2 | [vb past] [not/n't] a [noun] | 146 |
|
| 3 | [vb past] [not/n't] become a | 15 |
|
| 4 | [not/n't] become a [noun] | 14 |
|
