| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] a | 10891 |
|
| 2 | has [vb pp] a | 10511 |
|
| 3 | [verb] become a | 1836 |
|
| 4 | have become a | 1835 |
|
| 5 | has become [art] | 1211 |
|
| 6 | [vb -s] become a | 899 |
|
| 7 | has become a | 894 |
|
