| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] have become a [adj] | 14 |
|
| 2 | [verb] to have become a [adj] | 10 |
|
| 3 | seem have become a [adj] | 8 |
|
| 4 | [vb past] have become a [adj] | 6 |
|
| 5 | [vb -s] have become a [adj] | 6 |
|
