| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has become a [adj] [noun sg] of | 43 |
|
| 2 | has become a [adj] [noun] of | 43 |
|
| 3 | [verb] become a [adj] feature of | 13 |
|
| 4 | have become a [adj] feature of | 13 |
|
| 5 | has become [art] [adj] feature of | 10 |
|
| 6 | has become [art] [adj] feature of | 10 |
|
| 7 | has become a [adj] feature [prep] | 9 |
|
| 8 | has become a [adj] feature of | 9 |
|
| 9 | has become a [adj] feature of | 6 |
|
| 10 | has become a [adj] feature of | 6 |
|
| 11 | has become a [adj] feature of | 6 |
|
| 12 | has [verb] a [adj] feature of | 6 |
|
| 13 | has [vb pp] a [adj] feature of | 6 |
|
| 14 | [vb -s] become a [adj] feature of | 6 |
|
