| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have become a | 1835 |
|
| 2 | [verb] become a | 1493 |
|
| 3 | [vb -s] become a | 899 |
|
| 4 | has become a | 889 |
|
| 5 | had become a | 663 |
|
| 6 | [vb past] become a | 663 |
|
| 7 | [verb] become an | 343 |
|
| 8 | [vb base] become a | 156 |
|
| 9 | have become a | 140 |
|
| 10 | [vb infin] become a | 61 |
|
| 11 | have become a | 60 |
|
| 12 | to have become a | 35 |
|
| 13 | [to-vb] become a | 35 |
|
| 14 | having become a | 19 |
|
| 15 | [v-ing] become a | 19 |
|
| 16 | 've become a | 16 |
|
| 17 | 's become a | 10 |
|
