| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb -s] become a [adj] | 177 |
|
| 2 | [noun] become a [adj] feature | 19 |
|
| 3 | [noun] [vb -s] a [adj] feature | 10 |
|
| 4 | [vb -s] become a [adj] feature | 9 |
|
