| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have become [art] [adj] issue | 20 |
|
| 2 | have become a [adj] issue | 20 |
|
| 3 | have become [art] [adj] issue | 20 |
|
| 4 | have become a [adj] issue | 17 |
|
| 5 | has become [art] [adj] issue | 11 |
|
| 6 | had become [art] [adj] issue | 7 |
|
