| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb base] become a [adj] [noun] | 7 |
|
| 2 | they [vb base] become a [adj] [noun sg] | 7 |
|
| 3 | they [vb base] become a [adj] [noun] | 6 |
|
| 4 | they have become a [adj] [noun] | 6 |
|
