| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has become a [adj] [noun sg] | 242 |
|
| 2 | has become a major [noun] | 28 |
|
| 3 | has become a [adj] issue | 10 |
|
| 4 | has become a [adj] issue | 10 |
|
| 5 | has become a [adj] feature | 9 |
|
| 6 | has become a [adj] feature | 9 |
|
| 7 | has become a central [noun] | 7 |
|
| 8 | has become a popular [noun] | 7 |
|
| 9 | has become a [adj] part | 7 |
|
| 10 | has become a [adj] part | 7 |
|
| 11 | has become a familiar [noun] | 6 |
|
| 12 | has become a key [noun] | 6 |
|
| 13 | has become a [adj] threat | 6 |
|
| 14 | has become a [adj] problem | 6 |
|
| 15 | has become a [adj] problem | 6 |
|
| 16 | has become a regular [noun] | 6 |
|
| 17 | has become a [adj] threat | 6 |
|
| 18 | has become a national [noun] | 5 |
|
| 19 | has become a political [noun] | 5 |
|
| 20 | has become a real [noun] | 5 |
|
