| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb -s] a [noun] | 694 |
|
| 2 | [vb -s] to become a [noun] | 37 |
|
| 3 | [Wh pn] [vb -s] to become a | 8 |
|
