| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] a | 10891 |
|
| 2 | [verb] become a | 2413 |
|
| 3 | have become a | 1862 |
|
| 4 | has become [art] | 1218 |
|
| 5 | [vb -s] become a | 971 |
|
