| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have become [art] national [noun sg] | 11 |
|
| 2 | have become [art] national [noun] | 11 |
|
| 3 | have become a national [noun] | 10 |
|
| 4 | have become a national [noun] | 10 |
|
| 5 | has become [art] national [noun] | 5 |
|
